Features
- Next Generation Flybarless Helicopter AS3X and SAFE Stabilization.
- Proprietary Advanced Adaptive Flight Control Algorithms.
- User configurable SAFE Panic Recovery and Stability Flight Modes.
- Easy to use Forward Programming for setup and gain adjustments from compatible Spektrum Transmitters.
- Supports DSMX, SRXL and SRXL2 receivers at 11mS or 22mS.
- Up to two receivers for added reception and signal strength.
- Fully supports Digital and Analog servos.
- 70Hz to 560Hz Adjustable Servo Frequency (760uS and 1520uS center).
- Smart Technology ready for Smart ESC and Battery telemetry.
- Fully supports IX and DX series of transmitters.
- 32-bit ARM® Cortex M4 with DSP and FPU.
- Cutting Edge 6-Axis M.E.M.S. Inertial Sensor.
- HV Capable; 4.8V to 8.4V Operating Voltage.
- High speed operation providing minimal latency.
- Signal Diversity when using 2 receivers.
- CNC aluminum lower case for improved vibration rejection.
- Small and lightweight.
- Includes 1 SRXL2 SPM4651T Full Range Telemetry DSMX Receiver with bind button.
Overview
The FC6250HX is a powerful flybarless helicopter stabilization system that features the latest AS3X and SAFE Stabilization technology to deliver an extremely user friendly and precise Helicopter flying experience. Ideal for 3D aerobatic, F3C Precision, and Scale helicopter models up to 700 size. Featuring a leading edge 6-axis M.E.M.S. inertial gyro, powerful and fast 32 bit ARM M4 Cortex processor and proprietary Advanced Adaptive Flight Control Algorithms, pilots will enjoy predictable and precise flight characteristics, excellent tail holding and rock-solid piro-compensation with the added security of assignable SAFE technology.
SAFE technology allows pilots to operate within user defined flight modes that automatically keep the model in a manageable attitude and constantly levels the model when the control sticks are returned to center. Additionally, pilots can use SAFE technology to utilize a Panic Recovery option, which will nearly instantly right the model into an upright and controllable attitude to within 4 degrees of level. All these features are completely setup and tuned straight from your compatible Spektrum transmitter via Forward Programming Menu.
Forward Programming allows pilots to easily setup, program, and tune the FC6250HX with no need for extra hardware, devices, or computers. Pilots can quickly make tuning changes on the flight line to the swashplate, tail rotor, SAFE stability, flight modes and more, right from their compatible Spektrum transmitter. And if the sensor needs calibrated after a crash or repair to your model, it can easily be done in the Forward Programming menu. And if there is ever any advancement or changes to the FC6250HX, updating is simple with the Spektrum USB Programmer and PC programmer application.
What's in the Box?
- (1)Spektrum FC6250HX Flybarless Flight Controller
- (1) Spektrum 4651T SRXL2 Full Range Telemetry Receiver
- (1) Instruction Manual
- (2)High Quality Vibration Dampening Adhesive Foam Pads
Overview
The Spektrum FC6250HX Helicopter Flybarless Control System represents the pinnacle of modern helicopter stabilisation technology, designed specifically for pilots who demand precision, reliability and ease of use in their RC helicopter flying. Whether you're a seasoned 3D aerobatic competitor, an F3C precision flying enthusiast, or a scale helicopter modeller, this advanced flybarless system delivers the stability and performance you need to push your flying to new heights. The FC6250HX combines cutting-edge AS3X and SAFE stabilisation technologies with intuitive forward programming capabilities, making it an ideal choice for RC helicopter enthusiasts across the UK who want professional-grade performance without the complexity.
Engineered by Spektrum, a trusted name in RC aviation, the FC6250HX features a sophisticated 6-axis M.E.M.S. inertial gyro and a powerful 32-bit ARM Cortex M4 processor, delivering the responsiveness and accuracy that modern helicopters demand. Its compact design makes it suitable for everything from mini helicopters through to large 700-size models, whilst its advanced flight control algorithms ensure rock-solid tail holding, exceptional piro-compensation and predictable flight characteristics that instil confidence in every flight. If you're looking for a best-in-class helicopter flybarless control system for your RC helicopter UK fleet, the FC6250HX is the solution.
What sets this system apart is its remarkable user-friendliness combined with professional-grade capabilities. Forward Programming allows you to configure, tune and adjust virtually every aspect of the system directly from your compatible Spektrum transmitter without needing external hardware, devices or computers. Combined with the optional PC Programmer App for detailed model management, you have unprecedented flexibility in how you set up and maintain your helicopter systems.
Key Features
- Advanced AS3X and SAFE Stabilisation Technology — The FC6250HX features Spektrum's latest generation of AS3X (Active Stability and Safe Technology) combined with SAFE stabilisation modes, which automatically maintain your model's attitude and automatically level the helicopter when you return the control sticks to centre, providing an extra layer of safety and confidence whether you're a beginner or expert pilot.
- Panic Recovery Mode — If your helicopter gets into trouble, the assignable SAFE technology includes a Panic Recovery function that will nearly instantly right your model into an upright and controllable attitude to within 4 degrees of level, potentially saving your aircraft from a costly crash.
- Forward Programming from Your Transmitter — Make setup, programming and tuning changes directly from your compatible Spektrum DX or iX series transmitter without needing a computer or additional hardware, allowing you to quickly adjust swashplate, tail rotor, SAFE stability, flight modes and more right on the flight line, and easily recalibrate the sensor after crashes or repairs.
- 6-Axis M.E.M.S. Inertial Gyro — The cutting-edge 6-axis inertial measurement sensor provides superior gyroscopic stabilisation and flight control, delivering precise attitude measurement and control that keeps your helicopter stable through aggressive manoeuvres and demanding flight conditions.
- 32-Bit ARM Cortex M4 Processor with DSP and FPU — The powerful processor with digital signal processing and floating-point unit ensures lightning-fast calculation and response times, minimising latency and delivering the snap and responsiveness that serious helicopter pilots demand.
- Smart ESC Ready — When paired with a compatible Spektrum Smart ESC, the FC6250HX automatically provides real-time telemetry data including voltage, current draw, rotor head RPM and more, all displayed on your compatible Spektrum transmitter with no extra modules, wires or connections required, enabling easy monitoring, data logging and alarm warnings.
- Dual Receiver Support with Signal Diversity — The system supports up to two receivers for added reception and signal strength, with intelligent signal diversity to ensure rock-solid connectivity and redundancy for peace of mind during flight.
- DSMX, SRXL and SRXL2 Protocol Support — Compatible with the latest Spektrum receiver protocols operating at both 11mS and 22mS update rates, ensuring compatibility with a wide range of Spektrum receivers including the included SPM4651T full-range telemetry receiver.
- Servo Compatibility and Frequency Control — Fully supports both digital and analogue servos with adjustable servo frequency ranging from 70Hz to 560Hz, accommodating legacy equipment or the latest high-speed digital servos with 760uS and 1520uS centre options.
- Wide Operating Voltage Range — HV capable with 4.8V to 8.4V operating voltage (3.5V minimum), providing flexibility in battery selection and allowing operation with both standard 5V and high-voltage LiPo battery configurations.
- CNC Aluminium Construction — The lower case is precision-machined from aluminium for superior vibration rejection and durability, whilst included high-quality dampening mounting pads further isolate vibration to ensure clean gyro performance and precise flight control.
- Compact and Lightweight Design — Measuring just 1.7 inches in length, 0.94 inches in width and 0.53 inches in height, and weighing a mere 0.46 ounces (13 grams), the FC6250HX is small enough to fit in compact helicopter frames whilst remaining robust and feature-rich.
- Failsafe Capability — Programmable failsafe ensures your helicopter responds safely if signal is lost, with configurable actions to protect your investment and keep your model safe.
- Flight Log Compatible — Record and analyse your flights with flight log compatibility, enabling you to review performance data and track improvements across flights and tuning adjustments.
- Full Range and Full Power Support — Delivers full range and full power operation, so you can fly with confidence knowing you have complete control authority across the entire flying envelope.
- PC Programmer Application — Take advantage of the FC6250HX PC Programmer App (separate download) to set up, adjust and manage all settings from your personal computer, and easily export and import model setups for convenient sharing of tuning configurations with fellow pilots.
Technical Performance
The FC6250HX represents a substantial leap forward in helicopter stabilisation system design. At its heart lies a sophisticated 6-axis M.E.M.S. inertial gyro that continuously measures the helicopter's attitude across all axes, feeding data to the powerful 32-bit ARM Cortex M4 processor running at high speed with integrated digital signal processing and floating-point calculations. This real-time processing of gyro data, combined with Spektrum's proprietary Advanced Adaptive Flight Control Algorithms, delivers the rock-solid tail holding and piro-compensation that defines a truly professional helicopter system. The vibration rejection is exceptional thanks to the precision-machined CNC aluminium lower case and high-quality dampening mounting pads, which isolate the sensitive inertial sensors from mechanical vibration that would otherwise degrade performance. The system operates from 3.5V to 8.4V, providing maximum flexibility in battery selection, and communicates with receivers via DSMX/DSM2 modulation at full remote range with 2048-bit resolution for crystal-clear servo resolution. The dual receiver ports support up to two receivers simultaneously with intelligent signal diversity, ensuring redundancy and reliability. With integrated telemetry via SRXL2 protocol, Smart ESC compatibility and comprehensive flight logging, the FC6250HX brings modern avionics-style monitoring to helicopter flying. The system is ready to accept both digital and analogue servos with user-selectable frequency from 70Hz to 560Hz, accommodating everything from vintage equipment to the latest high-speed servo technology. The engineering throughout emphasises reliability, with failsafe programming, sensor calibration capability and comprehensive forward programming features that put professional-grade tuning capability directly in the hands of pilots with compatible Spektrum transmitters.
What's in the Box
- FC6250HX Helicopter Flybarless Control System
- SPM4651T Full Range Telemetry DSMX Receiver with Bind Button
- High-Quality Dampening Mounting Pads
- Instruction Manual (English, German, French and Italian)
- Quick Start Guide
- PC Programmer Download Access
What You Need to Complete
- Compatible Spektrum Transmitter (DX or iX series with Forward Programming capability — update may be required)
- Helicopter airframe (mini to 700-size compatible)
- Servos for swashplate and tail rotor control (digital or analogue, compatible with 1520uS or 760uS centre pulse)
- Motor and ESC (motor selection depends on helicopter size and weight)
- LiPo battery (3.5V to 8.4V compatible)
- Battery charger and connector cables
- Spektrum USB Programming Cable SPMA3065 (optional, for PC Programmer use)
Frequently Asked Questions
- Is the Spektrum FC6250HX suitable for beginner helicopter pilots? — Yes, absolutely. Whilst the FC6250HX is capable of supporting expert-level flying with 3D aerobatics and precision F3C manoeuvres, the SAFE stabilisation modes make it exceptionally beginner-friendly. The automatic levelling and Panic Recovery feature provide an important safety net for new pilots, whilst forward programming from your transmitter allows you to gradually adjust flight characteristics as your skills develop. The intuitive setup process and comprehensive manual support make getting started straightforward.
- What size helicopter models can the FC6250HX control? — The system is ideal for models ranging from mini helicopters through to 700-size helicopters, making it incredibly versatile. Whether you're flying a small trainers or large scale aerobatic models, the FC6250HX delivers the performance you need with its compact form factor fitting easily into tight spaces.
- What battery specifications do I need for the FC6250HX? — The system operates across a wide input voltage range of 3.5V to 8.4V, providing exceptional flexibility in battery selection. This means you can use standard 2S LiPo batteries (7.4V nominal), high-voltage 2S LiPo batteries (8.4V), or even lower voltage options. Your specific battery requirements will depend on your helicopter's motor and servo configuration, but the FC6250HX will work reliably across this entire range.
- Can I program the FC6250HX without a computer? — Yes, this is one of the key advantages of the FC6250HX. Forward Programming allows you to set up, tune and adjust virtually all parameters directly from your compatible Spektrum DX or iX series transmitter with no need for external hardware or software. You can make swashplate, tail rotor, SAFE stability and flight mode adjustments right on the flight line. If desired, the optional PC Programmer App provides additional management features on your computer, but it's entirely optional.
- What makes the FC6250HX different from other flybarless systems? — The FC6250HX combines several distinct advantages: the latest AS3X and SAFE stabilisation technology with Panic Recovery, forward programming directly from your transmitter, dual receiver support with signal diversity, Smart ESC telemetry integration, a powerful 32-bit ARM Cortex M4 processor with digital signal processing, and exceptional vibration rejection through CNC aluminium construction. Additionally, Spektrum's proprietary Advanced Adaptive Flight Control Algorithms deliver rock-solid tail holding and piro-compensation that serious pilots appreciate.
- Is this system compatible with my Spektrum transmitter? — The FC6250HX works with all current DX and iX series Spektrum transmitters (a firmware update may be required on some older models). If you have a Spektrum transmitter, you'll be able to take advantage of forward programming and all the advanced features. Check your transmitter manual or contact Spektrum support if you're unsure about compatibility.
- Can I use two receivers with the FC6250HX? — Yes, the system features two remote receiver ports and supports up to two receivers simultaneously with intelligent signal diversity. This is a professional-grade redundancy feature that ensures maximum reliability, spreading reception across multiple receiver modules for rock-solid connectivity.
- What protocols and frequencies does the FC6250HX support? — The system is fully compatible with DSMX and DSM2 modulation on 2.4GHz, supporting both 11mS and 22mS receiver update rates. This encompasses the full range of modern Spektrum receivers. The included SPM4651T receiver is a full-range telemetry receiver supporting SRXL2 protocol with bind button activation.
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 FC6250HX Helicopter Flybarless Control System P-SPMFC6250HX 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.
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