Overview
The Hobbywing FlyFun 110A HV OPTO V5 brushless speed control is a professional-grade electronic speed controller designed specifically for high-performance fixed-wing RC aircraft. This advanced ESC represents the pinnacle of brushless motor control technology, offering experienced pilots and serious RC enthusiasts the precision, reliability and efficiency needed for demanding flight operations. Whether you're flying scale warbirds, EDF jets, large sport aircraft or competition aeroplanes, this brushless ESC delivers the throttle response and stability that discerning RC pilots demand across the UK and beyond.
Built on Hobbywing's proven FlyFun platform, the V5 generation introduces cutting-edge DEO (Driving Efficiency Optimization) technology that fundamentally improves how your aircraft performs in the air. This brushless speed control is compatible with 6S to 14S LiPo batteries, making it extraordinarily versatile for high-voltage RC aircraft applications. The OPTO variant features isolated signal and power circuits, eliminating noise interference and delivering ultra-smooth motor control that experienced pilots immediately notice during flight. If you're serious about RC aircraft performance in the UK, this is the professional-grade brushless ESC to consider.
The FlyFun 110A HV OPTO V5 combines industrial-strength engineering with user-friendly programmability, extensive safety protections, and a robust construction designed to survive the demands of serious RC flying. Every component has been selected for reliability and performance, from the high-performance 32-bit ARM M4 microprocessor running at up to 72MHz to the imported components and extremely low-impedance PCB that guarantee excellent current handling and durability. This is a brushless speed control built for pilots who refuse to compromise on quality.
Key Features
- DEO Technology (Driving Efficiency Optimization) — This advanced Hobbywing technology dramatically improves throttle response and driving efficiency whilst significantly reducing ESC operating temperature, resulting in longer flight times, better stability and more reliable operation during extended flights.
- High-Performance 32-Bit Microprocessor — The ESC utilises a dedicated 32-bit ARM M4 microprocessor with a running frequency of up to 72MHz, offering lightning-fast processing speeds that deliver responsive motor control and enable sophisticated flight characteristics impossible with slower processors.
- 6S to 14S LiPo Compatibility — This brushless ESC accepts high-voltage LiPo battery packs from 6S through to 14S, making it suitable for an enormous range of RC aircraft applications from mid-sized sport flyers to large-scale military models and professional aerial platforms.
- OPTO Isolated Circuit Design — The OPTO variant features completely isolated signal and power circuits, eliminating electrical noise and interference that can cause twitching, instability or loss of control on brushless motor systems, resulting in ultra-smooth and predictable flight characteristics.
- Advanced Soft Start-Up Modes — Multiple soft start-up modes including Normal, Soft and Very Soft settings are specifically designed to work reliably with both conventional propeller-driven aircraft and EDF (electric ducted fan) jet aeroplanes of various sizes, preventing harsh motor engagement during arming.
- Multiple Brake Modes Including Reverse Brake — The ESC supports Normal, Proportional, and Reverse Brake modes, with the innovative Reverse Brake function effectively shortening landing distance by simulating real aircraft landing behaviour and helping your RC plane touch down within minimal ground roll.
- Separate Microprocessor Power Regulation — The microprocessor is powered by a dedicated DC regulator rather than sharing the main power bus, dramatically improving anti-interference performance and greatly reducing the possibility of losing control due to electrical noise during flight.
- High-Power Switch-Mode BEC — A dedicated switch-mode Battery Elimination Circuit (BEC) provides continuous current of 8A and peak current of 20A with output voltage adjustable between 5.2V, 6.0V and 7.4V, allowing operation of multiple servos, flight controllers, LED lights and other onboard electronics simultaneously.
- Proportional Brake Mode — In proportional brake mode, the ESC automatically allocates brake force based on radio throttle stick position, providing realistic and intuitive flight control during landing approaches and descent phases.
- Programmable Parameters — Extensive settings are adjustable via the LED program box for customising ESC behaviour to match different aircraft types, pilot preferences and flying conditions, without requiring specialist knowledge or complex software.
- Comprehensive Safety Protections — Seven distinct protection systems guard against start-up errors, ESC thermal shutdown, capacitor thermal protection, over-current conditions, overload situations, abnormal input voltage and throttle signal loss (failsafe), effectively extending ESC service life and preventing catastrophic failures.
- Premium Construction and Heat Dissipation — The ESC features a new design with excellent heat-dissipating performance, imported high-quality components, and a printed circuit board (PCB) with extremely low impedance that guarantees superior current endurance and reliability.
- Individual Programming Port — The ESC includes a dedicated programming port for connecting to a Hobbywing LED program box, allowing you to programme and adjust the ESC anywhere, anytime without requiring complex software or computer knowledge.
- Fail-Safe Function — Throttle signal loss protection automatically activates if radio signal is lost during flight, preventing uncontrolled motor operation and helping you safely recover your RC aircraft in emergency situations.
Technical Performance
The Hobbywing FlyFun 110A HV OPTO V5 is engineered to deliver professional-grade performance for demanding fixed-wing RC aircraft applications. With continuous current handling of 110 amps and peak current capability of 140 amps, this brushless ESC provides exceptional power delivery for large brushless motors commonly found in modern RC aeroplanes. The high-performance 32-bit ARM M4 microprocessor running at up to 72MHz processes throttle inputs and sensor data with millisecond precision, enabling the smooth, responsive throttle linearity that experienced RC pilots demand. The ESC's extremely low-impedance PCB design and imported high-quality components ensure excellent current distribution and minimal voltage drop, translating to maximum power delivery to your brushless motor. Compatibility with 6S to 14S LiPo batteries opens up vast possibilities for RC aircraft projects, from mid-sized sport planes to large-scale military models. The OPTO isolated circuit design completely eliminates electrical noise that can degrade motor smoothness, providing the ultra-clean signal path essential for precision flight control. Built-in DEO technology optimises driving efficiency to extend flight times whilst reducing ESC temperature, meaning longer sorties and more reliable operation even during extended sessions. The dedicated switch-mode BEC with adjustable voltage output (5.2V, 6.0V or 7.4V) and dual current ratings (8A continuous, 20A peak) provides sufficient power for multiple servos, flight controllers and avionics without requiring additional external power supplies. The comprehensive protection suite including thermal monitoring, current limiting, failsafe and abnormal voltage detection ensures your ESC survives the rigours of serious RC flying. Physically, the ESC measures just 92.7 x 45.6 x 27mm and weighs 170 grams, allowing installation in tight fuselages whilst the robust construction withstands vibration and shock from engine/motor operation and landing impacts.
What's in the Box
- Hobbywing FlyFun 110A HV OPTO V5 brushless ESC
- Red 10AWG 150mm battery positive wire
- Black 10AWG 150mm battery negative wire
- Three blue 10AWG 150mm motor output wires
- Separate programming cable for LED program box connection
What You Need to Complete
- 6S to 14S LiPo battery pack (Hobbywing recommends suitable capacity for your aircraft size and flight duration)
- Brushless motor compatible with 110A+ continuous current capability
- RC transmitter and receiver system with servo output channels
- Flight servos for control surfaces (suitable rating depends on aircraft size)
- RC aircraft airframe with adequate space for ESC installation
- Optional: Hobbywing LED program box (part number 30501003) for easier programming and parameter adjustment
- Optional: External BEC unit if running equipment requiring lower current than the onboard BEC can provide
Frequently Asked Questions
- What is DEO Technology and how does it improve my RC aircraft's performance? — DEO (Driving Efficiency Optimization) is Hobbywing's proprietary technology implemented throughout the ESC firmware and hardware. It delivers multiple practical benefits: firstly, it produces noticeably faster and smoother throttle response, giving you better directional stability and greater flexibility during demanding flight phases; secondly, it optimises power delivery efficiency so your brushless motor extracts more useful thrust from each amp of battery current, directly translating to longer flight times on the same battery; thirdly, by minimising wasted energy, the ESC operates at significantly lower temperatures, improving reliability and extending component lifespan during extended flying sessions.
- Is this suitable for beginners or is it only for experienced RC pilots? — Whilst the FlyFun 110A HV OPTO V5 is certainly powerful enough and sophisticated enough for competition and professional applications, it is equally suitable for any RC enthusiast stepping up to larger aircraft or higher voltage systems. The brushless technology itself is very forgiving for pilots of all experience levels, and the extensive safety protections (failsafe, thermal shutdown, current limiting) actually make this ESC safer than many simpler alternatives. However, due to its 110-amp continuous rating, you should only pair this ESC with appropriately-sized brushless motors; it would be overkill for tiny beginner aircraft but perfect for any serious flying machine.
- What battery does this ESC need and what voltage range does it support? — The FlyFun 110A HV OPTO V5 is specifically designed for high-voltage LiPo battery packs and accepts any configuration from 6S (22.2V nominal) up to 14S (51.8V nominal). This extraordinary voltage range makes it incredibly versatile, suitable for everything from moderately-powered 6S sport aircraft to extremely powerful 12S or 14S large-scale models. Always verify your specific brushless motor's maximum voltage rating to ensure compatibility, and select battery capacity based on your aircraft's weight and your desired flight duration.
- Why does this ESC cost more than basic brushless speed controllers and what's the difference? — The FlyFun 110A HV OPTO V5 represents professional-grade engineering compared to budget ESCs. Key differences include: the OPTO isolated circuit design (unique to this variant) eliminates electrical noise for ultra-smooth motor control; the high-performance 32-bit microprocessor running at 72MHz processes signals far faster than cheaper 8-bit alternatives; DEO technology optimises efficiency and throttle response in ways basic firmware cannot replicate; the separate microprocessor power regulator provides superior noise immunity; the extremely low-impedance PCB minimises power loss and heat generation; comprehensive safety features protect your investment; and the ability to adjust BEC voltage is a feature found only on professional ESCs. For serious RC pilots in the UK who demand reliability, performance and longevity, the investment justifies itself through improved flight characteristics and durability.
- Can I use this ESC on EDF jet aeroplanes or does it only work with propeller-driven aircraft? — The FlyFun 110A HV OPTO V5 is fully compatible with both conventional propeller-driven aircraft and EDF (electric ducted fan) jet aeroplanes. In fact, Hobbywing specifically engineered multiple soft start-up modes to handle both applications safely. For traditional propeller aircraft, use Normal or Soft start modes. For EDF jets, the manufacturer specifically recommends selecting the Very Soft Start-up mode, which ramps the motor smoothly to prevent the harsh engagement that can damage EDF units or cause control issues. The inclusion of EDF-specific modes demonstrates Hobbywing's expertise with this advanced ESC.
- What does OPTO mean and why is the OPTO version better than the standard HV version? — OPTO refers to optical isolation between the signal circuits and power circuits in the ESC. This isolation completely eliminates electrical noise that can travel from the high-current motor power section into the sensitive receiver signal lines. In practical terms, this means your brushless motor runs with zero twitching or instability caused by electrical interference, resulting in buttery-smooth throttle response and rock-solid control. Non-OPTO ESCs sometimes exhibit glitching, hesitation or micro-instability under heavy load due to this noise coupling. For professional applications and demanding pilots, the OPTO version is always superior.
- What safety features does this ESC have and will it protect my aircraft if something goes wrong? — The FlyFun 110A HV OPTO V5 incorporates an impressive array of seven protection systems working continuously: Start-up Protection prevents errors during arming; Throttle Signal Loss Protection (failsafe) cuts motor power if radio signal is lost; ESC Thermal Protection shuts down the motor if internal temperature becomes dangerous; Capacitor Thermal Protection monitors the capacitor bank separately; Over-current Protection limits current if a motor short occurs; Overload Protection detects when demanded current exceeds limits; and Abnormal Input Voltage Protection safeguards against reversed polarity or damaged batteries. This comprehensive protection suite significantly reduces the likelihood of catastrophic failure and helps ensure your expensive brushless motor, airframe and battery remain safe.
- Can I programme this ESC without buying additional accessories? — The FlyFun 110A HV OPTO V5 includes a dedicated programming cable that allows connection to a Hobbywing LED program box (sold separately, part number 30501003). This is the recommended method for programming parameters and adjustments. The ESC also supports transmitter-based programming for some functions, though the LED program box provides access to all available parameters. For UK customers seeking the most straightforward setup, purchasing an LED program box alongside the ESC is recommended, as it eliminates guesswork and provides clear feedback on each setting.
- What is the high-power BEC and why does it matter for my RC aircraft? — The BEC (Battery Elimination Circuit) is an onboard voltage regulator that converts your high-voltage LiPo battery down to lower voltages suitable for servos, receivers and flight controllers. Most budget ESCs include tiny BECs with just 3-5 amps capacity, sufficient only for a single small servo. The FlyFun 110A HV OPTO V5's high-power BEC delivers 8 amps continuous or 20 amps peak, with voltage adjustable between 5.2V, 6.0V and 7.4V depending on your equipment's requirements. This means you can power multiple servos, digital flight controllers, LED lighting systems and other avionics directly from the BEC without needing external power supplies. The separate BEC circuit design (isolated from power electronics) ensures you can still recover your aircraft if the main power board burns out.
- What aircraft size is this ESC suitable for and what motor should I pair it with? — The 110-amp continuous current rating is suitable for any RC aircraft utilising brushless motors in the roughly 4000KV to 7000KV range at 6S, or proportionally lower KV ratings at higher voltages. This typically includes large sport planes (4-10kg), scale military models, aerobatic aircraft, and large EDF jets. Always check your selected brushless motor's recommended current range, maximum voltage rating and power output to ensure compatibility. A motor rated for 80A continuous would be well-matched; one rated only for 30A would be mismatched and inefficient.
- How does the Reverse Brake mode work and will it help my large RC plane land in a short distance? — Reverse Brake is an innovative feature unique to advanced ESCs. When enabled, it uses the brushless motor to apply controlled braking during descent and landing, simulating how real aircraft deploy spoilers, flaps or reverse thrust. As you reduce throttle during approach, the ESC intelligently applies proportional braking force based on stick position, dramatically shortening your landing roll distance. This is particularly valuable for large aircraft with significant momentum or for operations from short fields. Normal Brake mode provides continuous braking; Proportional mode automatically scales braking with stick position; Brake Disabled allows gliding. Note that the 110A HV OPTO V5 variant does include reverse brake capability, making it excellent for serious fixed-wing applications.
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 HOBBYWING FLYFUN 110A HV OPTO V5 BRUSHLESS SPEED CONTROL HW30201701 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.
- Product Name: FLYFUN 110A HV OPTO V5
- Model Number: HW30201701
- Type: Brushless Electronic Speed Controller
- Brushless/Brushed: Brushless
- High Voltage/Regular: High Voltage
- Continuous Current: 110A
- Peak Current: 140A
- Input Voltage: 6-14S LiPo
- BEC Output: No (OPTO variant does not include BEC)
- Input Wires: Red 10AWG 150mm x1, Black 10AWG 150mm x1
- Output Wires: Blue 10AWG 150mm x3
- Input Connectors: None
- Output Connectors: None
- Programmable via Transmitter: Supported
- Programmable via LED Program Card: Supported
- Programmable via LED Program Box: Supported
- Programmable via LCD Program Box: Not Supported
- Programmable via WiFi Module: Not Supported
- Programmable via OTA Programmer: Not Supported
- Programming Port: Individual Programming Port
- Firmware Upgrade: Not Supported
- Size: 92.7 x 45.6 x 27mm (Length x Width x Height)
- Weight: 170g
- Microprocessor: High-performance 32-bit ARM M4 microprocessor, running frequency up to 72MHz
- Microprocessor Power: Powered by dedicated DC regulator for superior anti-interference performance
- DEO Technology: Driving Efficiency Optimization for improved throttle response, increased driving efficiency and reduced ESC temperature
- Active Freewheeling: Supported
- Soft Start-Up Modes: Normal, Soft, Very Soft modes for both propeller aircraft and EDF jet aircraft
- Brake Modes: Normal Brake Mode, Proportional Brake Mode, and Brake Disabled mode
- Reverse Brake: Not included (Note: FLYFUN 110A HV OPTO V5 does not have reverse brake function)
- BEC Type: No BEC included in this model
- Protection Features: Start-up Protection, ESC Thermal Protection, Capacitor Thermal Protection, Over-current Protection, Overload Protection, Throttle Signal Loss Protection (Failsafe), Abnormal Input Voltage Protection
- PCB Design: Extremely low impedance PCB for superior current endurance
- Components: Imported high-quality components
- Heat Dissipation: New design with excellent heat-dissipating performance
- Circuit Design: OPTO isolated (signal and power circuits completely isolated)
- Included Accessories: Red 10AWG 150mm battery wire, Black 10AWG 150mm battery wire, Three blue 10AWG 150mm motor wires, Separate programming cable for LED program box
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