RC Fuel System Fittings

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  Festo H-QS-4 4mm Check Valve

  The Festo H-QS-4 4mm check valve is a compact one-way valve designed to provide reliable fuel flow control in RC turbine jet aircraft. Engineered to prevent fuel backflow, this valve helps maintain consistent fuel delivery to your turbine engine while protecting critical fuel system components such as pumps, turbines, and fuel management systems. Key Features One-Way Fuel Flow Protection The H-QS-4 check valve prevents reverse fuel flow, helping maintain stable fuel system operation and protecting sensitive turbine components. Compatible with 4 mm Fuel Tubing Designed for use with standard 4 mm RC fuel tubing commonly found in RC turbine jet fuel systems. Push-to-Connect Installation Features Festo’s convenient push-in connection design for fast, secure installation with clean and organized tubing layouts. Compact and Lightweight Design Its compact form factor makes it ideal for tight fuselage installations and streamlined fuel system routing. Benefits for RC Turbine Jets The Festo H-QS-4 helps improve fuel system reliability by maintaining proper one-way fuel flow throughout the aircraft. Its durable construction and dependable sealing performance help reduce the risk of fuel system issues during operation while simplifying installation and maintenance. Durable Festo Engineering Manufactured to Festo’s industrial-quality standards, the H-QS-4 delivers long-lasting durability and consistent performance in demanding RC turbine jet environments. Ideal for both new aircraft builds and fuel system upgrades. Specifications Brand: FestoModel: H-QS-4Type: One-way check valveTubing Compatibility: 4 mm fuel tubingConnection Style: Push-to-connectApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, fuel delivery systems, turbine fuel management setups, smoke systems, and other fluid routing applications requiring reliable one-way flow control.            

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  $18.99

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  Open-Flow Male Fitting 3/16" (Black Nylon)

  The 3/16" Open-Flow Male Fitting is a lightweight, high-quality nylon fitting designed for reliable fluid transfer in RC turbine jets, airplanes, and other high-performance RC fuel systems. Compatible with dry break fittings but unlike dry-break fittings, this open-flow connector allows unrestricted flow when connected, making it ideal for fuel transfer, smoke systems, and other applications where automatic shutoff is not required. Manufactured from durable black nylon, this fitting provides excellent chemical resistance while remaining lightweight and corrosion-resistant. It is designed for use with 3/16-inch inside diameter fuel tubing, creating a secure connection that withstands the vibration and demanding operating conditions of turbine-powered aircraft. Whether you're replacing an existing fitting or building a custom fuel system, the Kent Open-Flow Male Fitting delivers dependable performance and easy integration with compatible Kent connectors. Features Designed for 3/16 in. ID fuel tubing and 6mm Festo type  Open-flow design for unrestricted fluid transfer Durable black nylon construction Lightweight and corrosion resistant Compatible with Kent open-flow and dry break female fittings Suitable for fuel, smoke oil, and other compatible fluids Ideal for RC turbine jets, airplanes, helicopters, and other RC applications Benefits Provides reliable, unrestricted flow for fueling and fluid transfer Lightweight construction minimizes added aircraft weight Resistant to fuel and corrosion for long service life Creates a secure connection in demanding RC environments Easy to install and replace in existing fuel systems Genuine Kent Systems quality ensures dependable performance Specifications Type: Open-Flow Male Fitting Material: Black Nylon Tubing Size: 3/16 in. ID Application: Fuel and smoke system connections Check out our dry break connector mounting solutions HERE.

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  $2.00

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  Tygon F-4040-A 3/32" ID 3/16" OD Fuel Line (per foot)

  The Tygon® F-4040-A Fuel Line is a premium-grade fuel tubing designed for high-performance fuel systems requiring flexibility, durability, and dependable fuel delivery. With a 3/32" inside diameter and 3/16" outside diameter, this tubing is ideal for RC turbine fuel systems, gasoline-powered aircraft, and other demanding RC fuel applications. Known for its excellent chemical resistance and long-term reliability, genuine Tygon fuel tubing remains a trusted choice for serious RC aircraft builders and pilots. Key Features Genuine Tygon® F-4040-A Fuel Tubing Authentic Tygon fuel line engineered for reliable performance in demanding fuel system environments. Precision 3/32" ID x 3/16" OD Sizing Designed to provide a secure fit with standard RC fuel system fittings and accessories. Flexible “Super Flex” Construction The flexible tubing design allows easy routing through compact fuselage layouts while helping reduce kinking and fuel flow restrictions. Compatible with Common RC Fuels Suitable for use with: Kerosene Diesel Gasoline Sold by the Foot Order exactly the length needed for custom fuel system installations while minimizing waste. Benefits for RC Fuel Systems The Tygon F-4040-A fuel line helps maintain consistent and reliable fuel delivery while resisting cracking, hardening, and deterioration caused by fuel exposure. Its flexibility supports clean routing throughout compact aircraft layouts, improving both serviceability and installation appearance. Specifications Brand: Tygon®Model: F-4040-AInside Diameter: 3/32"Outside Diameter: 3/16"Material: Flexible fuel tubingFuel Compatibility: Kerosene, diesel, gasolineApplication: RC fuel systemsLength: Sold by the foot Why Choose Tygon Fuel Line? Tygon fuel tubing is widely recognized for its reliability, flexibility, and fuel resistance in demanding RC aircraft applications. Its proven performance makes it a trusted option for builders who prioritize dependable fuel system operation and long-term durability. Ideal Applications Perfect for RC turbine fuel systems, gasoline-powered RC aircraft, smoke systems, fuel tank plumbing, fueling stations, and other applications requiring reliable flexible fuel tubing. Upgrade Your Fuel System Today Choose genuine Tygon® F-4040-A Fuel Line for dependable fuel flow, flexible installation, and long-lasting performance in your RC aircraft fuel system.

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  $1.95

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  Tygon Fuel Tubing 3/16" ID x 5/16" OD x 1/16" Wall (per foot)

  F-4040-A Super Flex Fuel Tubing by Approach RC Concepts The Tygon F-4040-A fuel line is a premium-grade, high-performance fuel tubing designed for demanding RC gas turbine jets and aircraft fuel systems. Engineered for maximum flexibility, chemical resistance, and long-term durability, this is the trusted choice for serious RC turbine pilots who require absolute reliability in flight-critical fuel delivery. Professional-Grade RC Turbine Fuel Tubing This authentic Tygon fuel tubing is specifically designed for use in high-performance RC applications where fuel system reliability is critical. Whether you're running gasoline, diesel, or kerosene-based turbine systems, this tubing delivers consistent, leak-free performance under demanding conditions. Ideal for: RC turbine jets Gas-powered RC aircraft Diesel and kerosene fuel systems Tygon F-4040-A Super Flex Fuel Line 3/16"" ID x 5/16" OD Precision Sizing Perfect fit for standard RC turbine fuel fittings Optimized flow for consistent fuel delivery Compatible with most RC aircraft fuel systems Ultra-Flexible Construction “Super Flex” design for tight airframe installations Easy routing through complex turbine jet layouts Reduces kinking and fuel restriction risks Chemical Resistant Performance Compatible with gasoline, diesel, and kerosene fuels Maintains integrity under long-term fuel exposure Industry-proven Tygon F-4040-A formulation Benefits for RC Turbine Pilots Reliable Fuel Delivery Ensures consistent fuel flow to your turbine engine for stable and predictable performance. Enhanced Safety & Durability High-quality construction reduces the risk of cracking, leaks, or fuel line failure during operation. Clean, Professional Installations Flexible tubing allows for neat routing inside tight RC airframes, improving both aesthetics and serviceability. Why Choose Tygon Fuel Line Tygon is the industry standard in high-performance fuel tubing for RC turbine aircraft. Known for its reliability and chemical resistance, it remains the preferred choice among serious RC jet builders worldwide. Why Buy from Approach RC Concepts At Approach RC Concepts, we supply only proven, flight-critical components for RC turbine pilots. Every product is selected for real-world performance, reliability, and compatibility with high-end RC aircraft systems. Upgrade Your Fuel System Today The Tygon F-4040-A fuel line delivers the flexibility, durability, and chemical resistance required for modern RC turbine jets. Upgrade your fuel system with confidence and ensure consistent performance in every flight. SOLD BY THE FOOT  

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  $2.89

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  Festo QSML-M5-6 Push-In L Fitting

  The Festo QSML-M5-6 push-in L fitting is a compact pneumatic connector designed for clean, reliable 90-degree tube routing in tight RC turbine jet installations. It connects an M5 threaded port to 6 mm push-in tubing, making it ideal for streamlined air, gear, brake, and pneumatic system layouts. Key Features Compact 90-Degree Elbow Design The right-angle L fitting helps route tubing neatly in confined spaces while reducing sharp bends and unnecessary line stress. M5 Thread to 6 mm Push-In Connection Designed to connect an M5 threaded inlet to 6 mm pneumatic tubing for a secure, dependable fit. Genuine Festo QSML Series Fitting Model QSML-M5-6, part number 153335, from the trusted Festo QSML connector series. Benefits for RC Turbine Jets This fitting helps create a cleaner and more reliable pneumatic installation by allowing tubing to exit at a right angle. The push-in design reduces assembly time, improves serviceability, and supports a kink-free layout in RC turbine jet aircraft. Specifications Brand: FestoModel: QSML-M5-6Part Number: 153335Connection: M5 threaded inlet to 6 mm push-in tubeDesign: 90-degree push-in L fittingSeries: QSML Ideal Use Perfect for RC turbine jet aircraft, pneumatic landing gear systems, brake lines, air systems, and compact tubing layouts where reliable 90-degree routing is needed.

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  $6.99

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  Festo QSC-6 6mm Push Cap

  The Festo QSC-6 6mm Push Cap (Part Number 153263) is a compact and reliable solution for sealing fuel lines in RC turbine jet aircraft. Designed for use with 6 mm fuel tubing, this push cap provides a fast, tool-free method for capping lines during maintenance, testing, storage, and transport. Ideal for both hobbyists and professional RC jet builders, the QSC-6 helps keep fuel systems clean, protected, and leak-free. Key Features Designed for 6 mm Fuel Tubing Compatible with standard 6 mm RC turbine jet fuel lines and pneumatic tubing systems. Quick Push-On Installation The push cap design allows fast attachment and removal without tools, simplifying routine maintenance and fuel system servicing. Genuine Festo QSC-6 Component Manufactured by Festo for dependable performance and long-lasting durability in demanding RC turbine environments. Prevents Leaks and Contamination Helps seal unused or disconnected fuel lines to reduce spills and protect against dust, debris, and moisture. Benefits for RC Turbine Jets The QSC-6 push cap improves maintenance efficiency by allowing quick and reliable fuel line sealing during servicing and system testing. It also supports safer aircraft storage and transport by helping prevent fuel leakage and contamination when fuel lines are disconnected. Specifications Brand: FestoModel: QSC-6Part Number: 153263Type: Push capTubing Compatibility: 6 mm fuel tubingConnection Style: Push-on capApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, fuel system maintenance, fuel line testing, storage preparation, smoke systems, and other applications requiring temporary sealing of 6 mm fuel lines.            

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  $2.50

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  Festo QSC-4 4mm Push Cap 153262

  The Festo QSC-4 4mm Push Cap is a compact and reliable solution for sealing fuel lines in RC turbine jet aircraft. Designed for use with 4 mm fuel tubing, this push cap securely seals disconnected or unused fuel lines while allowing quick attachment and removal during routine maintenance. Its simple push-on design makes it an essential accessory for keeping RC jet fuel systems clean, protected, and easy to service. Key Features Designed for 4 mm Fuel Lines Compatible with standard 4 mm RC turbine jet fuel tubing and pneumatic line systems. Quick Push-On Installation The push cap can be attached and removed quickly without tools, simplifying maintenance and fuel system servicing. Genuine Festo QSC-4 Component Model QSC-4, part number 153262, manufactured by Festo for dependable performance and durability. Compact and Lightweight Its compact design fits easily into tight fuselage layouts without adding unnecessary bulk. Benefits for RC Turbine Jets The QSC-4 push cap helps prevent fuel leaks and contamination when fuel lines are disconnected or not in use. It supports cleaner maintenance workflows, safer transport, and more efficient servicing by providing a fast and reliable method for temporarily sealing fuel lines. Specifications Brand: FestoModel: QSC-4Part Number: 153262Type: Push capTubing Compatibility: 4 mm fuel tubingApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, fuel system maintenance, fuel line testing, storage preparation, smoke systems, and other applications requiring temporary sealing of 4 mm fuel lines.

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  $2.99

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  Barbed Tubing Connector Festo RTU-PK-4/4 6mm OD

  The Festo RTU-PK-4/4 barbed tubing connector is designed to securely connect 6 mm OD Festo tubing in RC turbine jet fuel systems. Compact, durable, and easy to install, this connector provides dependable fuel line connections for high-performance RC jet aircraft. Key Features Secure 6 mm Barbed Connection The barbed design provides a firm grip on tubing for reliable fuel and fluid line performance in demanding RC turbine environments. Compatible with 6 mm OD Festo Tubing Designed specifically for use with 6 mm OD Festo tubing and compatible fuel line systems. Genuine Festo RTU-PK Series Connector Part of the trusted Festo RTU-PK product family, engineered for durability and consistent performance. Compact and Easy to Install Its simple inline design supports clean fuel system layouts and quick installation in compact fuselage spaces. Benefits for RC Turbine Jets The RTU-PK-4/4 connector helps maintain secure fuel line connections while simplifying tubing assembly and maintenance. Its standardized 6 mm sizing allows easy integration with other Festo fittings and tubing components commonly used in RC turbine jet fuel systems. Specifications Brand: FestoModel: RTU-PK-4/4Part Number: 4806Type: Barbed tubing connectorTubing Compatibility: 6 mm OD tubingConnection Style: Inline barbed fittingSeries: RTU-PK Ideal Applications Perfect for RC turbine jet aircraft, fuel system plumbing, smoke systems, pneumatic tubing layouts, and other applications requiring secure inline connections for 6 mm fuel tubing.                                    

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  $3.99 $2.99

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  Aluminum Valve Mount Pisco Festo 4mm Valves

  The Aluminum Ball Valve Mount is designed to securely hold both the Festo QH-QS-4 4mm valve and the Pisco BVU-4 valve in RC turbine jet aircraft. Engineered specifically for radio control gas turbine fuel systems, this mount provides a clean, secure, and professional installation solution for your valve setup. Constructed from durable aluminum, the valve is held firmly in place using the included 3 mm set screw, helping reduce movement and vibration during operation. Key Features Compatible with Popular 4 mm Valves Designed to fit both: Festo QH-QS-4 valve Pisco BVU-4 valve Durable Aluminum Construction Machined from aluminum for strength, durability, and long-lasting performance in demanding RC turbine environments. Secure Set Screw Retention The valve is secured using the included 3 mm set screw for a reliable hold during high-vibration operation. Clean and Compact Installation Provides a neat mounting solution that improves organization and accessibility within RC turbine jet fuselages. Benefits for RC Turbine Jets This valve mount helps create a more secure and serviceable fuel system installation while minimizing valve movement caused by vibration and flight loads. Its compact aluminum design allows easy integration into tight fuselage layouts while maintaining a professional appearance. Specifications Compatibility: Festo QH-QS-4 and Pisco BVU-4 valvesValve Size: 4 mmMaterial: AluminumRetention Method: Included 3 mm set screwApplication: RC turbine jet fuel systems and pneumatic installationsValve Included: No Ideal Applications Perfect for RC turbine jet aircraft, fuel shutoff systems, smoke systems, pneumatic control systems, and other applications requiring secure mounting of 4 mm ball valves.                        

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  $9.95

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  Dry Break Connector Side Mount Labeled SMOKE

  The Dry Break Connector SMOKE Side Mount from Approach RC Concepts is a purpose-built mounting solution designed specifically for Systems dry break connectors used in RC turbine jets and fuel-powered aircraft. This flush-mount system provides a clean, secure installation while allowing the connector to be mounted without disconnecting the fuel line. Designed for reliability and ease of use, this mount helps create a professional fueling setup while improving fuel system organization and safety labeling. Key Features Secure Side-Mount Design Engineered to securely mount Kent Systems dry break connectors in RC aircraft fuselages for a clean and professional appearance. Easy Installation Without Disconnecting Fuel Lines The connector inserts directly into the mount without requiring removal or disconnection of the fuel tubing, simplifying installation and maintenance. SMOKE Fueling Identification Clearly labeled SMOKE for quick identification during fueling operations and ground support setup. Multiple Color Options Available in: Black Red Gray Additional colors may be available upon request. Durable RC Aircraft Mounting Solution Designed for dependable performance in demanding RC turbine jet environments. Benefits for RC Turbine Jets This side-mount system improves fueling efficiency while helping reduce confusion between fuel and smoke systems during aircraft operation. Its flush-mount design creates a clean and organized installation, while the visible labeling improves safety and usability at the field. Specifications Compatibility: Dry break connectorsMount Type: Side mount Label Option: SMOKEAvailable Colors: Black, Red, GrayApplication: RC turbine jets and fuel-powered RC aircraft Ideal Applications Perfect for RC turbine jet aircraft, smoke systems, fueling systems, turbine support equipment, and custom aircraft installations requiring secure dry break connector mounting and clear fueling identification.

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  $5.50

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  Festo 6mm Fuel Filter VAF-PK-4

  The Festo 6mm Fuel Filter from Approach RC Concepts is a high-quality inline fuel filter designed specifically for RC gas turbine jets and airplanes. Engineered to help maintain clean and reliable fuel flow, this filter helps protect turbine fuel systems from contamination, debris, and clogs that can negatively impact engine performance and reliability. With a 6mm fuel line connection size, this compact inline filter integrates easily into most RC turbine fuel systems and is ideal for both new builds and existing aircraft upgrades. Clean Fuel Flow for RC Turbine Aircraft Contaminated fuel systems can lead to reduced turbine performance, clogged fuel components, and increased maintenance issues. The Festo 6mm Fuel Filter helps trap dirt and debris before they reach sensitive turbine components, supporting smoother operation and improved long-term reliability. Perfect for: RC gas turbine jets Sport and scale RC airplanes Kerosene and turbine fuel systems Professional turbine aircraft builds Key Features of the Festo 6mm Fuel Filter Inline Fuel Filtration Helps remove dirt and debris from turbine fuel systems Supports clean and consistent fuel delivery Helps reduce contamination-related fuel system issues Designed for 6mm Fuel Lines Compatible with standard 6mm fuel tubing systems Ideal for Festo fuel line installations Easy integration into existing fuel layouts Reliable Festo Quality Precision-engineered for dependable performance Durable construction for long-term turbine use Trusted Festo fuel system component Compact & Easy to Install Small inline design fits easily into compact fuselage spaces Simplifies fuel system routing and maintenance Ideal for clean and organized installations Benefits for RC Turbine Jet Builders Improved Fuel System Reliability Helps protect turbine systems from contamination and clogged fuel components. Cleaner Turbine Operation Supports smoother fuel flow and more consistent engine performance. Reduced Maintenance Issues Helps minimize dirt and debris entering sensitive turbine fuel components. Perfect for Turbine Applications Designed specifically for the demands of RC turbine aircraft fuel systems. Recommended Accessory For a clean and secure installation, pair this filter with our: Festo Filter Mount Designed to securely position the filter within your RC turbine aircraft while improving fuel system organization and accessibility. Specifications Model VAF-PK-4 (15889) Fuel Line Compatibility 6mm fuel line systems Application RC gas turbine jet fuel systems Why Choose Approach RC Concepts At Approach RC Concepts, we specialize in premium RC turbine jet fuel system components designed for builders who demand: Reliable fuel delivery Clean aircraft organization Professional-grade components Long-term turbine system performance Protect your fuel system today with the Festo 6mm Fuel Filter and keep your RC turbine jet running clean, reliable, and flight-ready. For mounting the filter, may we suggest our Festo Filter Mount.

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  $10.99

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  Excelon PVC tubing 1/8" ID x 1/4" OD

  Excelon Clear RNT PVC Tubing for RC Turbine Jets 1/8" ID x 1/4" OD, Sold by the FOOT The Excelon RNT Vinyl Fuel & Oil Tubing is a dependable and budget-friendly solution for RC turbine jet enthusiasts who demand consistent fuel transfer performance. Designed for durability and flexibility, this tubing offers a safe alternative to traditional options while maintaining high-performance standards in demanding fuel systems. Engineered as a practical substitute for Tygon tubing, Excelon meets or exceeds the requirements for RC jet fuel delivery, making it an ideal choice for hobbyists and professionals alike. Key Features of Excelon Clear RNT PVC Tubing for RC Turbine Jets Precision Sizing for Secure Fitment Inner Diameter (ID): 1/8" Outer Diameter (OD): 1/4" Wall Thickness: 1/16"Ensures a tight, leak-resistant fit for RC turbine fuel systems. Clear Vinyl Construction Manufactured using a clear vinyl formulation that allows for full visualization of the tubing contents. Designed for Fuel & Oil Transfer Optimized for use with RC gas turbine fuel systems, supporting both fuel and oil transfer applications. Performance Comparable to Tygon Delivers functionality and reliability similar to high-end alternatives like Tygon tubing—at a more affordable price point. Convenient 5-Foot Lengths Sold in 5-foot increments, allowing for flexibility in custom installations and minimizing waste. Benefits for RC Turbine Jet Builders Cost-Effective Without Compromise Achieve high-performance fuel system reliability without the premium price tag. Clear Vinyl Material Allows easy visualization of the fuel system contents. Flexible & Easy to Install Soft, adaptable tubing makes routing through tight fuselage spaces simple and efficient. Ideal for Multiple Applications Perfect for: RC turbine jets Model aircraft fuel systems Oil transfer lines Custom fuel routing setups RC Smoke System Technical Specifications Product Name: Excelon Clear RNT Material: Clear Vinyl Inner Diameter: 1/8" Outer Diameter: 1/4" Wall Thickness: 1/16" Length: Sold by the foot Application: Fuel & oil tubing for RC gas turbine jets Why Choose Excelon Clear RNT Tubing? Excelon Clear RNT offers the perfect balance between affordability, safety, and performance. Whether you're upgrading an existing RC turbine fuel system or building a new jet from scratch, this tubing provides the reliability you need without overspending. 

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  $0.69

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  Boomerang Atom Squared Smoke Tank System

  Overview Enhance your Boomerang Atom Squared RC turbine jet with the premium Boomerang Atom Squared Smoke Tank System. Designed for precision fit and maximum performance, this system includes two 500ml tanks and custom mounts, delivering a professional smoke setup for your model aircraft. Ideal for hobbyists and advanced builders, this kit makes adding smoke to your jet easier than ever. Features Dual 5000ml Smoke Tanks Each tank holds 500ml of smoke fluid for extended flight sessions. Built with brass inlets, outlets, and pickup clunks for durability and reliable fluid delivery. Compatible exclusively with the Boomerang Atom Squared, ensuring a perfect fit. Precision Tank Mounts Includes two robust tank mounts, designed to fit just in front of the wing tube. One mount per side ensures balanced weight distribution. Forward inner mounting leg is height adjustable for optimal alignment. Secure installation with screws included; epoxy is required for the forward inner leg. Builder-Ready Design Simply provide your smoke pump and tubing for a complete smoke system setup. Tanks and mounts come pre-fitted with high-quality brass components, saving time during assembly. Benefits Effortlessly add a professional smoke effect to your RC turbine jet. Durable brass fittings ensure long-lasting performance. Custom mounts provide precise placement and balance. Compatible with your existing Boomerang Atom Squared setup, no modifications required. Specifications Tank Capacity: 500ml each Material: Brass inlets, outlets, and pickup clunks Mounting: Adjustable forward inner leg, screws included Compatibility: Boomerang Atom Squared RC turbine jet Use Case Perfect for RC jet enthusiasts seeking a reliable and visually impressive smoke system. Ideal for shows, competitions, or casual flying where a professional smoke effect enhances the flight experience.

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  $39.50

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  Boomerang 110cc UAT Mount Set

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  Boomerang 110cc UAT Mount Set of 2 securely anchors the Glass Boomerang RC 110cc UATs in RC gas turbine aircraft. Designed for hobbyists and builders who value stability and straightforward installation, this mount pair delivers confident performance in demanding flight conditions. Features Set of 2 mounts for convenient pairing or replacement. Clamps over the UAT with 2.5mm screws and nuts included. Directly compatible with Glass Boomerang RC 110cc UATs. Color options: Black, Gray, and Red; additional colors available on request. Benefits Secure fit reduces movement and vibration, helping maintain control and safety in flight. Quick and reliable installation with all hardware included. Durable clamp design provides long-lasting performance in RC environments. Customizable appearance with color choices to match your aircraft.

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  $8.00

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  Barbed Tubing Connector Festo RTU-PK-4/6 4mm to 6mm

  The Festo RTU-PK-4/6 barbed connector is a compact and reliable solution designed to connect 4 mm and 6 mm Festo tubing in RC turbine jet fuel systems. Ideal for RC jet pilots and builders, this fitting provides a secure and efficient way to transition between tubing sizes while maintaining dependable fuel flow. Key Features 4 mm to 6 mm Tubing Compatibility Designed to connect both 4 mm and 6 mm Festo tubing for flexible fuel system routing and tubing size transitions. Secure Barbed Connection Design The barbed fitting provides a tight, leak-resistant connection for dependable performance in RC turbine fuel systems. Genuine Festo RTU-PK-4/6 Connector Manufactured by Festo for reliable operation and long-lasting durability in demanding RC jet environments. Easy Integration into Fuel Systems Installs easily into standard Festo fuel tubing layouts for clean and organized fuel line routing. Benefits for RC Turbine Jets The RTU-PK-4/6 connector simplifies fuel tubing installation by allowing seamless transitions between tubing sizes. Its secure barbed design helps minimize the risk of leaks and fuel line movement, supporting reliable operation in high-performance RC turbine aircraft. Specifications Brand: FestoModel: RTU-PK-4/6Type: Barbed tubing connectorTubing Compatibility: 4 mm and 6 mm Festo tubingConnection Style: Barbed fittingApplication: RC turbine jet fuel systems and tubing routing Ideal Applications Perfect for RC turbine jet aircraft, fuel system plumbing, smoke systems, fuel line transitions, and other applications requiring secure connections between 4 mm and 6 mm tubing.

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  $3.99

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  Tygon Fuel Line 1/4" ID 3/8" OD F-4040-A (per foot)

  F-4040-A Super Flex Fuel Tubing by Approach RC Concepts The Tygon F-4040-A fuel line is a premium-grade, high-performance fuel tubing designed for demanding RC gas turbine jets and aircraft fuel systems. Engineered for maximum flexibility, chemical resistance, and long-term durability, this is the trusted choice for serious RC turbine pilots who require absolute reliability in flight-critical fuel delivery. Professional-Grade RC Turbine Fuel Tubing This authentic Tygon fuel tubing is specifically designed for use in high-performance RC applications where fuel system reliability is critical. Whether you're running gasoline, diesel, or kerosene-based turbine systems, this tubing delivers consistent, leak-free performance under demanding conditions. Ideal for: RC turbine jets Gas-powered RC aircraft Diesel and kerosene fuel systems Tygon F-4040-A Super Flex Fuel Line 1/4"" ID x 3/8" OD Precision Sizing Perfect fit for standard RC turbine fuel fittings Optimized flow for consistent fuel delivery Compatible with most RC aircraft fuel systems Ultra-Flexible Construction “Super Flex” design for tight airframe installations Easy routing through complex turbine jet layouts Reduces kinking and fuel restriction risks Chemical Resistant Performance Compatible with gasoline, diesel, and kerosene fuels Maintains integrity under long-term fuel exposure Industry-proven Tygon F-4040-A formulation Benefits for RC Turbine Pilots Reliable Fuel Delivery Ensures consistent fuel flow to your turbine engine for stable and predictable performance. Enhanced Safety & Durability High-quality construction reduces the risk of cracking, leaks, or fuel line failure during operation. Clean, Professional Installations Flexible tubing allows for neat routing inside tight RC airframes, improving both aesthetics and serviceability. Why Choose Tygon Fuel Line Tygon is the industry standard in high-performance fuel tubing for RC turbine aircraft. Known for its reliability and chemical resistance, it remains the preferred choice among serious RC jet builders worldwide. Why Buy from Approach RC Concepts At Approach RC Concepts, we supply only proven, flight-critical components for RC turbine pilots. Every product is selected for real-world performance, reliability, and compatibility with high-end RC aircraft systems. Upgrade Your Fuel System Today The Tygon F-4040-A fuel line delivers the flexibility, durability, and chemical resistance required for modern RC turbine jets. Upgrade your fuel system with confidence and ensure consistent performance in every flight.

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  $2.99

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  Festo QSML M5-4 Push-In L Fitting

  Compact Push-In Elbow Fitting for RC Turbine Fuel Line Routing The FESTO QSML-M5-4 Push-In L Fitting is a compact, high-quality pneumatic fitting designed for precise tubing and fluid routing in RC turbine jet fuel systems. Featuring an M5 threaded inlet and a 4 mm push-in elbow outlet, this fitting provides secure, leak-resistant connections while simplifying fuel line installation in tight aircraft spaces. Trusted for reliability and precision, FESTO fittings are widely used in RC turbine aircraft where dependable fuel system performance and clean tubing organization are critical. Key Features of the FESTO QSML-M5-4 Fitting Compact Push-In Elbow Design L-shaped configuration allows clean and efficient tubing routing in confined RC turbine jet installations. M5 Threaded Connection Features an M5 threaded inlet for secure installation into compatible fuel system components. 4 mm Push-In Outlet Push-in connection design allows fast, tool-free tubing installation and removal. Genuine FESTO Quality Manufactured by FESTO for consistent performance, reliability, and long service life in demanding applications. Ideal for RC Turbine Fuel Systems Perfect for fuel tubing routing, pneumatic systems, and compact electronics bays in RC turbine aircraft. Benefits for RC Turbine Builders Faster Fuel System Assembly Push-in fitting design simplifies installation and reduces setup time compared to traditional clamped connections. Reliable Leak-Resistant Connections Provides secure tubing retention for dependable fuel system operation during flight. Improved Fuel Line Organization 90-degree elbow routing helps keep tubing neat and organized in tight fuselage and equipment bay layouts. Professional RC Aircraft Installation Supports cleaner, more serviceable fuel system routing in high-performance RC turbine jets. Applications RC Turbine Jets RC Jet Fuel Systems Fuel Line Routing Pneumatic Control Systems Radio Control Aircraft Turbine Aircraft Electronics Bays Product Specifications Model FESTO QSML-M5-4 Part Number 153333 Related Variant QSML-M5-6 (Part Number 153335) Connection Type Push-In L Fitting Thread Size M5 Tubing Size 4 mm Brand FESTO                    

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  $6.99

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  Festo QSM-G1/8-4 Straight Push-In Fitting

  Straight Push-In Fitting for RC Turbine Fuel & Air Systems The Festo QSM-G1/8-64push-in fitting is a compact, high-quality solution for straight fuel and air line connections in RC turbine jets. Designed to connect a 1/8" threaded port to 6mm tubing, this fitting is ideal for clean, direct routing in turbine fuel systems. Perfect for RC gas turbine aircraft, it provides a secure, leak-free connection in demanding, high-vibration environments. Key Features of the Festo QSM-G1/8-4 Straight Inline Design Allows direct, unrestricted routing of fuel or air lines, minimizing flow resistance and simplifying system layout. 1/8" Thread to 4mm Push-In Connection Creates a reliable interface between standard 1/8" threaded ports and 4mm OD tubing, commonly used in larger RC turbine systems. Push-to-Connect Installation Quick, tool-free installation—simply push tubing into the fitting for a secure hold, reducing assembly time and simplifying maintenance. Compact & Durable Construction Engineered for RC turbine applications, offering long-lasting performance under fuel exposure and vibration. Benefits for RC Turbine Jet Applications Enables clean, straight fuel and air line routing Maximizes flow efficiency with minimal restriction Provides secure, leak-resistant connections Reduces installation time and maintenance effort Ideal for high-flow 4mm turbine fuel systems Technical Specifications Brand:Festo Model: QSM-G1/8-4 (186264) Connection: 1/8" threaded inlet to 4mm push-in tube Configuration: Straight fitting Series: QSM Application: RC turbine jet fuel and air systems Why Use Straight Fittings in RC Turbine Fuel Systems? Straight fittings are ideal for direct fuel line runs where maintaining maximum flow and minimal restriction is critical. In larger RC turbine systems using 4mm tubing, this helps ensure consistent fuel delivery and optimal engine performance.

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  $3.99

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  Festo VAF-PK-6 Fuel Filter 160239

  The Festo VAF-PK-6 Fuel Filter (160239) is an essential inline filtration component for RC gas turbine jet fuel systems. Designed to maintain clean fuel flow, this high-quality filter helps prevent contamination, debris, and clogs from reaching critical fuel system components and turbine engines. Compatible with 6–8 mm ID fuel line, the VAF-PK-6 is ideal for maintaining reliable fuel delivery and extending the lifespan of RC turbine engines. Key Features Inline Fuel Filtration Filters contaminants and debris from the fuel system before they reach pumps, valves, and turbine engines. Compatible with 6–8 mm Fuel Line Designed for use with 6–8 mm ID fuel tubing, making it suitable for a wide range of RC turbine fuel systems. Compact and Durable Design Its lightweight inline design allows easy installation in tight fuselage layouts while providing dependable long-term performance. Genuine Festo Quality Manufactured by Festo for consistent filtration performance and reliability in demanding RC turbine environments. Benefits for RC Turbine Jets The VAF-PK-6 fuel filter helps maintain smooth engine operation by ensuring clean and consistent fuel flow throughout the aircraft fuel system. Cleaner fuel reduces the risk of clogged lines and contaminated components, helping improve reliability and prolong turbine engine life. Specifications Brand: FestoModel: VAF-PK-6Part Number: 160239Type: Inline fuel filterFuel Line Compatibility: 6–8 mm ID fuel lineApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, turbine fuel systems, smoke systems, fuel line protection, and other RC fuel applications requiring reliable inline fuel filtration.

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  $13.99

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  Festo QS-6 6mm Push Connector

  The Festo QS-6 6mm Push Connector is designed for secure and reliable fuel line connections in RC turbine jet aircraft. Engineered specifically for use with 6 mm fuel tubing, this connector provides a simple and dependable solution for joining fuel lines within RC jet fuel systems. Its push-to-connect design allows fast installation while maintaining a clean and professional fuel system layout. Key Features Designed for 6 mm Fuel Tubing Compatible with standard 6 mm RC fuel line and Festo tubing commonly used in turbine jet fuel systems. Push-to-Connect Installation The Festo push-in connection design enables quick assembly and secure tubing retention without complicated tools or fittings. Compact and Lightweight Design Its compact inline configuration fits easily into tight fuselage spaces and organized fuel system layouts. Genuine Festo Quality Manufactured by Festo for dependable performance and long-lasting reliability in demanding RC turbine applications. Benefits for RC Turbine Jets The QS-6 connector simplifies fuel line installation and maintenance by providing a secure and efficient inline connection. Its reliable push-fit design helps reduce installation time while supporting clean fuel routing and dependable fuel system performance. Specifications Brand: FestoModel: QS-6Part Number: 153032Type: Push connector / inline tubing connectorTubing Compatibility: 6 mm fuel tubingConnection Style: Push-to-connectApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, fuel system plumbing, smoke systems, pneumatic tubing layouts, and other applications requiring secure inline connections for 6 mm fuel lines.

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  $2.99

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  Festo 6mm Barbed Tee Fitting T-PK-4

  The Festo 6mm Barbed Tee Fitting T-PK-4 is a compact and dependable connector designed for precise fuel and fluid routing in RC turbine jet aircraft. Built for use with 6 mm OD Festo tubing and compatible fuel line, this fitting provides secure fuel system connections for high-performance RC jet applications. Key Features 6 mm Barbed Tee Design Features three 6 mm barbed connections for clean and efficient fuel line routing in compact RC aircraft installations. Secure Fuel Line Connection The barbed fitting design provides a reliable grip on tubing and is ideal for use with safety wire to improve connection security during operation. Genuine Festo Engineering Manufactured by Festo for consistent performance and long-term durability in demanding RC turbine jet environments. Benefits for RC Turbine Jets This tee fitting helps simplify fuel system layouts while maintaining secure and dependable tubing connections. Its compact size allows easy installation in confined fuselage spaces, while the barbed design minimizes the risk of tubing movement under vibration and fuel flow conditions. Specifications Brand: FestoModel: T-PK-4Part Number: 9585Type: Barbed Tee FittingConnection Size: 6 mm barbed fittingsApplications: RC jet fuel systems, fuel tubing routing, smoke systems, pneumatic and fluid transfer systems Ideal Applications Festo 6mm Barbed Tee Fitting T-PK-4 is Perfect for RC turbine jet aircraft fuel systems, smoke oil systems, fuel tank plumbing, and other fluid routing applications requiring secure 6 mm tee connections in compact aircraft layouts.

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  $3.99

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  Festo QSMY-4 4mm Push-In Y-Connector 153371

  The Festo QSMY-4 4mm Push-In Y-Connector is a compact pneumatic fitting designed for clean and reliable line routing in RC aircraft fuel and pneumatic systems. This versatile connector allows one 4 mm tubing line to branch into two, making it ideal for fuel systems, air systems, retracts, brake systems, and smoke system installations. Designed specifically for use with 4 mm Festo tubing, the QSMY-4 provides secure push-in connections and dependable performance in demanding RC aircraft environments. Key Features Split One 4 mm Line into Two The Y-connector design allows efficient branching of fuel or pneumatic tubing while maintaining clean and organized routing. Compatible with 4 mm Festo Tubing Designed for secure use with standard 4 mm Festo tubing and compatible pneumatic or fuel line systems. Push-to-Connect Installation Festo push-in fittings provide quick installation and reliable tubing retention without complicated assembly. Compact and Lightweight Design Its compact size makes it ideal for tight fuselage layouts and organized tubing installations. Benefits for RC Aircraft The QSMY-4 simplifies fuel and air system routing while helping maintain cleaner and more serviceable aircraft installations. Its durable construction and secure push-fit connections help improve reliability, reduce installation time, and support dependable operation in high-vibration RC environments. Specifications Brand: FestoModel: QSMY-4Part Number: 153371Type: Push-In Y-ConnectorTubing Compatibility: 4 mm tubingConnection Style: Push-to-connect Ideal Applications Perfect for RC fuel systems, pneumatic retract systems, brake systems, smoke systems, air routing, and other applications requiring dependable 4 mm tubing line splitting. Upgrade Your Fuel & Pneumatic Routing Choose the Festo QSMY-4 Push-In Y-Connector for clean installations, reliable tubing retention, and professional-grade fuel and pneumatic system routing in your RC aircraft.

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  $3.75

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  Festo 4mm Barbed Tee Fitting T-PK-3

  The Festo 4mm Barbed Tee Fitting T-PK-3 is a compact and reliable connector designed for precise fuel and fluid routing in RC turbine jet aircraft. Engineered for use with 4 mm OD Festo tubing and compatible fuel line, this fitting provides a secure connection for demanding fuel system installations. Key Features 4 mm Barbed Tee Design Designed with three 4 mm barbed connections to create clean and efficient fuel line routing within RC jet fuel systems. Secure Barbed Connection The barbed design helps maintain a dependable hold on fuel tubing and is ideal for use with safety wire for additional retention and reliability. Genuine Festo Quality Manufactured by Festo for dependable performance in high-vibration RC turbine jet applications. Benefits for RC Turbine Jets The T-PK-3 fitting simplifies fuel line routing while helping maintain secure connections throughout the aircraft fuel system. Its compact design fits easily into tight fuselage layouts, and the barbed construction reduces the risk of line movement during high-performance operation. Specifications Brand: FestoModel: T-PK-3Part Number: 7267Type: Barbed Tee FittingConnection Size: 4 mm barbed fittingsApplications: RC jet fuel systems, fuel tubing routing, pneumatic and fluid transfer systems Ideal Applications Festo 4mm Barbed Tee Fitting T-PK-3 is Perfect for RC turbine jet aircraft fuel systems, fuel tank plumbing, smoke systems, and compact tubing layouts requiring reliable tee connections for 4 mm fuel line installations.

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  $3.99

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  Festo 3mm Fuel Tubing PUN-H-3X0.5-NT (per foot)

  The Festo PUN-H-3X0.5-NT 3mm Fuel Tubing is a high-quality clear polyurethane fuel line designed for precision fuel routing in RC turbine jet aircraft. Engineered for flexibility, durability, and visual fuel monitoring, this tubing is ideal for kerosene fuel systems, UAT connections, and compact fuel line installations in RC turbine jets. Sold by the foot, this genuine Festo tubing allows builders to order exactly the length needed for clean, efficient, and professional fuel system layouts. Key Features Precision 3mm Outer Diameter Designed to work seamlessly with standard RC turbine fuel systems and Festo push-to-connect fittings. Clear Fuel Tubing for Easy Monitoring The transparent tubing allows quick visual inspection of: Fuel flow Air bubbles Fuel contamination Flexible and Durable Construction The polyurethane material provides excellent flexibility for routing through tight fuselage spaces while resisting kinks and line deformation. Sold by the Foot Order custom lengths for efficient installations while minimizing material waste. Genuine Festo Quality Industrial-grade Festo tubing known for consistent performance, durability, and long service life in demanding RC turbine applications. Benefits for RC Turbine Jets This clear fuel tubing helps improve fuel system reliability by allowing quick visual confirmation of proper fuel flow throughout the aircraft. Its flexibility supports clean routing in compact turbine fuselages, while the durable polyurethane construction helps maintain dependable performance during high-vibration operation. Specifications Brand: FestoModel: PUN-H-3X0.5-NTPart Number: 197375Outer Diameter: 3 mmColor: Clear / TransparentMaterial: Polyurethane tubingApplication: RC turbine jet fuel systemsLength: Sold by the foot Why Use Clear Fuel Tubing in RC Turbine Jets? Clear fuel tubing allows pilots and builders to quickly identify trapped air, fuel flow interruptions, or contamination before they affect engine performance. For high-performance RC turbine aircraft, maintaining visual access to fuel flow is critical for both safety and reliability. Ideal Applications Perfect for RC turbine jet fuel systems, UAT connections, fuel line routing, smoke systems, fueling stations, and other applications requiring reliable clear fuel tubing for RC aircraft. Upgrade Your Fuel System Today Choose genuine Festo PUN-H-3X0.5-NT 3mm Fuel Tubing for cleaner installations, dependable fuel flow, and professional-grade performance in your RC turbine jet aircraft.

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  $0.99

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