SPM FC6350HX Flybarless Helicopter Control System P-SPMFC6350HX

Overview

The Spektrum FC6350HX Flybarless Helicopter Control System is the heart of your radio control helicopter experience, designed for pilots who demand precision, stability, and ease of use. Whether you're flying 3D aerobatic manoeuvres, competing in F3C Precision events, or piloting scale helicopter models up to 700 size, this advanced flight controller delivers the performance you need. As an authorised Spektrum retailer in the UK, RC Model Shop is proud to offer this professional-grade control system that combines cutting-edge stabilisation technology with user-friendly setup and programming capabilities.

The FC6350HX represents the pinnacle of flybarless helicopter technology, featuring a leading-edge 6-axis M.E.M.S. inertial gyro and a powerful 32-bit ARM M4 Cortex processor. These components work together to deliver predictable and precise flight characteristics, excellent tail holding, and rock-solid piro-compensation. The compact design weighs just 13 grams and measures only 42mm in length, making it ideal for mini through 700+ size helicopter models. With its advanced adaptive flight control algorithms and CNC-machined mounting case paired with high-quality dampening mounting pads, vibration rejection is effortlessly achieved—a critical factor for stable, controlled flights in all conditions.

What sets the FC6350HX apart from other RC helicopter control systems is its intelligent integration with Spektrum's ecosystem. The system is Smart ESC ready, meaning you can expand integrated features without requiring extra wires or sensors. Forward Programming capability allows you to setup, program, and tune the entire system directly from your compatible Spektrum transmitter—no extra hardware or computers needed. Combined with the included SRXL2 telemetry receiver and support for DX, iX, and NX series transmitters, the FC6350HX offers flexibility and convenience that serious RC helicopter pilots demand.

Key Features

• 6-Axis M.E.M.S. Inertial Gyro — The integrated 6-axis gyroscope provides multi-directional stabilisation, automatically compensating for external disturbances and pilot input errors. This means smoother, more controlled flights whether you're executing tight 3D manoeuvres or maintaining precision hover positions during F3C competition.
• 32-Bit ARM M4 Cortex Processor — The powerful onboard processor executes sophisticated flight control algorithms at high speed, ensuring responsive handling and rapid stabilisation corrections. This fast computing power is essential for maintaining control during aggressive aerobatic sequences and ensuring reliable performance across different flying styles.
• Advanced AS3X Stability Technology — Spektrum's Attitude Sensing 3-axis technology automatically rejects unwanted inputs and vibrations, maintaining your helicopter's attitude even in gusty conditions. This intelligent system learns your flying style and adapts accordingly, making your aircraft feel more stable and predictable.
• SAFE Technology with Panic Recovery — The Spektrum Assisted Flight Envelope system offers user-defined flight modes with automatic levelling. The Panic Recovery function can nearly instantly right your model into an upright, controllable attitude to within four degrees of level—a genuine safety feature that catches mistakes before they become expensive crashes.
• Forward Programming from Your Transmitter — No need for computers, programming cables, or complex setup procedures. Access all flight controller settings directly through your compatible Spektrum transmitter, making tuning adjustments on the flight line fast and intuitive. Adjust swashplate geometry, tail rotor response, SAFE stability parameters, and flight modes without leaving the field.
• Smart ESC Ready Integration — Connect a Spektrum Smart ESC and gain real-time telemetry data including voltage, current draw, rotor head RPM, and more. All information displays on your transmitter screen with automatic alarm warnings and logged flight data—no extra modules, wires, or sensors required.
• SRXL2 Telemetry Receiver Included — The Spektrum SPM4651T receiver provides full-range communication with dual remote receiver support. SRXL2 technology enables bidirectional data transfer between your flight controller and transmitter, unlocking advanced features and real-time system monitoring.
• Compact, Lightweight Construction — Weighing just 13 grams and measuring 42mm × 14mm × 24mm, the FC6350HX fits easily into mini and 700-size helicopter frames with minimal weight penalty. The CNC-machined mounting case and included 3M adhesive pads ensure secure, vibration-free installation.
• Adjustable Servo Frequency — Configure servo update rates between 70Hz and 560Hz with centre positions selectable at 760?s or 1520?s. This flexibility allows compatibility with digital and analogue servos across various helicopter platforms and ensures optimal servo performance for your specific setup.
• 2048-Resolution Digital Processing — High-resolution input processing ensures precise control input interpretation and smooth, responsive helicopter handling. This precision is particularly important during F3C precision flying where minute control adjustments are necessary.
• Failsafe Protection — The built-in failsafe system protects your helicopter if signal loss occurs, automatically executing pre-programmed safety actions to bring your model to a controlled descent rather than an uncontrolled fall.
• Flight Log Compatibility — Capture detailed flight data for review and analysis. Whether you're improving your 3D aerobatic skills or troubleshooting flight characteristics, flight logging helps you understand your helicopter's behaviour in detail.
• PC Programmer Application — Export and import model setups using the optional Spektrum USB Programmer and PC application. Share configurations with other pilots, back up your settings, and manage multiple model setups with ease.

Technical Performance

The FC6350HX delivers professional-grade performance through sophisticated engineering and Spektrum's proven technology platform. Operating across the 2.4GHz frequency band with DSMX and DSM2 modulation support, this control system communicates reliably with compatible Spektrum transmitters at full remote range. The dual receiver ports enable redundant receiver configurations for added safety, while the 6-channel input capacity accommodates complex helicopter setups including main rotor, tail rotor, swashplate control, and ancillary functions. Input voltage operates between 4.8 and 8.4 volts, making the system compatible with standard 5-cell and 6-cell NiMH batteries as well as 2-cell LiPo configurations common in modern RC helicopters. The data port supports bidirectional communication, enabling full integration with Smart ESC systems and telemetry-capable transmitters. With its 2048-resolution processing and adaptive flight control algorithms, the FC6350HX continuously monitors helicopter attitude and applies corrective inputs at rates up to 560Hz. The engineering approach focuses on rejecting vibration through the CNC-machined case and quality dampening pads, critical for stable flight in all wind conditions. Whether you're flying precision patterns in F3C competition, executing aggressive 3D manoeuvres, or maintaining stable scale flying characteristics, the FC6350HX provides the processing power, sensor accuracy, and control authority necessary for demanding helicopter operations.

What's in the Box

• Spektrum FC6350HX Flight Controller (1)
• Spektrum SPM4651T SRXL2 Telemetry Receiver (1)
• User Manual (1)
• Decal Sheet (1)
• 3M Adhesive Mounting Pads (2)

What You Need to Complete

• Spektrum DX, iX, or NX series compatible transmitter for operation and forward programming
• Compatible helicopter airframe and mechanics (main rotor head, tail rotor mechanism, fuselage)
• Digital or analogue servos for swashplate and tail rotor control
• Brushless motor and motor controller (Smart ESC recommended for full feature integration)
• LiPo battery 2-cell or NiMH battery 5-6 cell configuration
• Battery charging equipment appropriate to your selected battery type
• Optional: Spektrum USB Programmer (SPMA3065) for PC-based setup and firmware updates

Frequently Asked Questions

• Is the FC6350HX suitable for beginner RC helicopter pilots? — Yes, but with important caveats. The FC6350HX includes SAFE technology with auto-levelling and Panic Recovery modes designed to help newer pilots, making it more forgiving than traditional flybarless systems. However, helicopter flying itself has a steep learning curve, and this flight controller is better suited to pilots with some RC experience or those willing to invest time learning. The SAFE Stability Flight Modes provide a gentler introduction to 3D capabilities.
• What transmitter do I need to use with the FC6350HX? — The system supports Spektrum's DX, iX, and NX series transmitters (an update may be required). You must use a Spektrum-compatible transmitter; it will not work with other brands. Forward Programming features are available on all current Spektrum transmitter models, though firmware updates may be necessary for full compatibility.
• What battery configuration does this flight controller require? — The FC6350HX accepts input voltage between 4.8 and 8.4 volts, accommodating standard 2-cell LiPo batteries or 5-6 cell NiMH battery packs. Check your specific helicopter frame's power system for precise requirements, as different helicopter sizes require different battery capacities and configurations.
• Can I use the FC6350HX with older Spektrum receivers? — No, the included SRXL2 receiver uses modern SRXL2 technology. The dual receiver ports support two DSMX remote receivers for redundancy, but you should use contemporary Spektrum receivers for full compatibility and feature support. Older DSM2-only receivers may not support all advanced telemetry features.
• What is Smart ESC and why is it important? — Smart ESC is a Spektrum electronic speed controller with bidirectional telemetry communication. When paired with the FC6350HX, it automatically provides real-time data including motor RPM, battery voltage, and current consumption directly to your transmitter. This eliminates the need for separate telemetry sensors and allows you to monitor your helicopter's vital statistics during flight.
• How does Forward Programming work? — Instead of connecting your flight controller to a computer, you access all settings directly through your Spektrum transmitter's programming menu. This means you can adjust swashplate geometry, tail rotor gain, SAFE parameters, flight modes, and servo frequencies right at the flying field. You make a change, test it, and iterate—all without needing cables or computer software.
• What is the difference between SAFE and normal flying modes? — SAFE modes include automatic stabilisation that keeps your helicopter level when control inputs are centred. Normal mode offers unrestricted 3D capability without automatic levelling. SAFE Panic Recovery can instantly right an inverted helicopter, providing a safety net for mistakes. Experienced pilots often disable SAFE for maximum aerobatic freedom, while newer pilots benefit from the stabilisation.
• Is the FC6350HX waterproof? — No, the FC6350HX is not water-resistant. Protect it from rain, water spray, and moisture. The system is designed for outdoor flying but requires dry conditions. If moisture enters the electronics, it will cause damage.
• Can I programme the flight controller without a compatible transmitter? — Yes, you can use the optional Spektrum USB Programmer (SPMA3065) and PC programmer application for setup, updates, and backup functions. This method is useful for offline configuration and sharing model setups, though Forward Programming via your transmitter is the primary method and offers faster field adjustments.
• What helicopter sizes are compatible with the FC6350HX? — The system is ideal for 3D aerobatic, F3C Precision, and Scale helicopter models up to 700 size. Mini helicopters can use this system, and it scales up through park flyers, 450-size competition machines, and into large 700-size models. The lightweight design (13 grams) makes it suitable for smaller frames, while its processing power handles the most demanding large models.
• How does the 6-axis gyro compare to traditional 3-axis systems? — The 6-axis M.E.M.S. sensor provides multi-directional stability monitoring, detecting attitude changes in all three axes plus their rates of change. This allows more sophisticated stabilisation algorithms compared to basic 3-axis systems, resulting in smoother flight characteristics and better wind rejection without the limitations of mechanical flybars.
• What makes the Panic Recovery feature valuable? — Panic Recovery instantly commands the helicopter to level itself to within four degrees of horizontal. If you accidentally invert the helicopter or lose control during aggressive flying, activating Panic Recovery (usually via a dedicated transmitter switch) nearly instantly recovers a controllable attitude. This prevents many crashes that would otherwise occur.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the SPM FC6350HX Flybarless Helicopter Control System P-SPMFC6350HX today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.

We want to make sure your delivery goes smoothly, so here are some important details about our service:

• For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
• Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
• Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
• If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
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• If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
• For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.

• Replacement Parts

P-SPM4651T

SPM DSMX SRXL2 Serial Receiver with Telemetry P-SPM4651T

£43.87

Next Working Day Order before 2pm

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