Overview
The Futaba HPS-CT702 Low Profile Brushless Servo is a high-performance, high-voltage surface servo engineered specifically for RC car enthusiasts in the UK who demand precision, speed and reliability in competitive driving conditions. Whether you're piloting a drift car, a 1/10 scale on-road racer, or an off-road buggy, this brushless servo delivers the responsiveness and torque needed to execute sharp steering inputs and maintain control through demanding manoeuvres. Built by Futaba, the world-leading name in RC radio systems and servos since 1962, the HPS-CT702 represents the pinnacle of servo technology for modern RC cars smaller than 1/5 scale.
This low-profile servo is purpose-designed for tight servo bays in contemporary 1/10 scale chassis, where space is at a premium and every millimetre counts. With its compact dimensions of just 40.5 × 21.0 × 26.2 mm and featherweight construction at 53 grams, the HPS-CT702 minimises rotational inertia and reduces unsprung weight, translating to faster response times and improved vehicle handling characteristics. If you're serious about RC racing in the UK and want a servo that won't compromise your setup, the HPS-CT702 is a trusted choice for competitors and enthusiasts alike.
The servo combines brushless motor technology with high-voltage capability, metal gear construction, and an aluminium case to deliver durability that withstands the rigours of repeated competitive use. It supports PWM, S.BUS, and S.BUS2 protocols, ensuring compatibility with modern Futaba radio systems and aftermarket receivers that support these industry-standard command protocols.
Key Features
- Brushless Motor Technology — The HPS-CT702 uses a brushless motor design that eliminates carbon brush friction, resulting in smoother operation, reduced heat generation, and significantly extended service life compared to brushed servo motors, making it an excellent long-term investment for serious RC car drivers.
- High-Voltage Capable (4.8V–8.4V Operating Range) — This servo thrives on high-voltage battery supplies, with a rated voltage of 6.0–7.4V and an extended operating range extending to 8.4V, allowing you to extract maximum performance and torque from your LiPo battery setup whilst maintaining compatibility with lower voltage systems if needed.
- S.BUS and S.BUS2 Protocol Support — The servo communicates via PWM, S.BUS, and S.BUS2, providing compatibility with all modern Futaba radio systems and aftermarket receivers, enabling seamless integration into your existing RC car radio control setup without requiring adapters or workarounds.
- SR Mode (Super Response) — Super Response mode delivers ultra-fast servo response for precision steering inputs, critical when competing in drift competitions or high-speed on-road racing where milliseconds of delay can mean the difference between victory and defeat.
- Low-Profile Form Factor — Engineered to fit into the shallow servo bays of contemporary 1/10 scale chassis designs, the HPS-CT702's compact profile allows for optimised chassis geometry and weight distribution without forcing compromises in your setup.
- Metal Gear Construction — The servo features metal gears throughout the 1–3 gear stages, with a particularly robust high-strength metal final stage gear, providing exceptional durability and resistance to stripping under extreme load conditions common in competitive racing.
- Aluminium Case Construction — The top, middle, and bottom case components are machined from aluminium alloy, providing superior heat dissipation, rigidity, and impact resistance compared to plastic-case servos, whilst keeping weight to a minimum.
- 25-Tooth Metal Spline Output — The servo features a 25-tooth metal spline (6mm diameter) that is robust and compatible with a wide range of servo horns and aftermarket steering linkages available for 1/10 scale RC cars in the UK market.
Technical Performance
The Futaba HPS-CT702 delivers genuine flagship-level servo performance through its combination of brushless motor technology, high-voltage capability, and precision engineering. At 7.4V, the servo produces 30.0 kgf·cm of torque and executes a full 60-degree rotation in just 0.07 seconds—blistering speed that translates to instantaneous steering response in real-world driving. Even at the more modest 6.0V operating voltage, performance remains competitive with 23.0 kgf·cm of torque and 0.08-second transit time. The brushless motor design is a critical component of this performance advantage: unlike brushed motors that suffer from friction losses and carbon dust build-up, brushless designs operate with minimal mechanical resistance, allowing the servo to respond more crisply and maintain precision through hundreds of hours of use without degradation. The servo's 53-gram weight is a masterclass in engineering efficiency, achieved through the aluminium case construction and careful material selection throughout. This lightweight profile is crucial for RC car dynamics; every gram saved in unsprung weight translates directly to improved suspension compliance, faster weight transfer during cornering, and reduced gyroscopic effects that would otherwise impede steering accuracy. The metal gear set, particularly the high-strength final stage, is engineered to handle the brutal shock loads and continuous torque demands of competitive driving without slipping or stripping, ensuring consistent performance lap after lap without maintenance downtime. Operating voltage flexibility is a genuine practical advantage: the servo functions across a 4.8–8.4V range, meaning you can run it on 2S LiPo batteries at lower voltage for smoother operation, or push it hard on 8.4V for maximum performance and speed, depending on your specific racing conditions and personal preference. The multi-protocol support (PWM, S.BUS, S.BUS2) ensures this servo will remain relevant and compatible with Futaba radio systems for years to come, protecting your investment in an expensive piece of equipment.
What's in the Box
- 1× Futaba HPS-CT702 Low Profile Brushless Servo
- Servo horns (multiple options for different steering linkage configurations)
- Mounting hardware (screws and fasteners for secure chassis installation)
What You Need to Complete
- Futaba radio system or compatible receiver supporting PWM, S.BUS, or S.BUS2 protocols
- RC car chassis with a servo bay suitable for low-profile servos (most contemporary 1/10 scale cars will accommodate this servo)
- 2S–3S LiPo battery (recommended voltage 6.0–7.4V for optimal performance)
- Servo linkages and steering arms compatible with 25-tooth spline (typically included with your RC car chassis)
- Battery charger and connector cables suitable for your power system
Frequently Asked Questions
- What is the difference between the HPS-CT702 and standard servo models? — The HPS-CT702 is specifically engineered for drift and 1/10 scale on/off-road cars, featuring a low-profile form factor that fits contemporary chassis designs, brushless motor technology for superior responsiveness, and support for modern S.BUS2 protocols. Standard servos may not offer the same compact size, response speed, or protocol compatibility, making this a purpose-built solution rather than a universal compromise.
- Is the Futaba HPS-CT702 suitable for beginners? — This servo is designed for competitive and experienced drivers rather than absolute beginners, as it requires a Futaba radio system supporting PWM, S.BUS, or S.BUS2 protocols, and is optimised for high-performance driving techniques. Beginners should start with more basic setups and progress to this servo once they have developed their skills and understand servo specifications.
- What battery does this servo need? — The HPS-CT702 operates across 4.8–8.4V, making it compatible with 2S LiPo batteries. The rated voltage is 6.0–7.4V, meaning a 2S LiPo at full charge (8.4V) will work within the servo's operating range, though many users run it at 6.0V for smoother operation or 7.4V for maximum performance. Always check your radio system and ESC specifications to ensure compatibility.
- Can I use the HPS-CT702 on any RC car? — This servo is specifically designed for RC cars smaller than 1/5 scale, making it ideal for 1/10 scale vehicles including drift cars, touring cars, buggies and stadium trucks. It will not work on 1/8 or larger vehicles, and its low-profile design requires a shallow servo bay typical of modern 1/10 scale chassis. Always verify that your chassis has a compatible servo bay before purchasing.
- What makes brushless servo motors better than brushed? — Brushless motors eliminate carbon brush friction, generating less heat and delivering more consistent performance over extended use periods. They respond faster, maintain precision without maintenance, and deliver superior longevity—critical advantages in competitive RC racing where reliability directly impacts your results.
- Does the HPS-CT702 support my existing Futaba radio system? — The servo supports PWM, S.BUS, and S.BUS2 protocols, covering virtually all modern Futaba radio systems sold in the UK. Check your specific radio model's documentation to confirm protocol compatibility, but odds are excellent that this servo will integrate seamlessly into your existing setup.
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 Futaba HPS-CT702 Low Profile Brushless Servo PWM/S.BUS 30.0kg 0.07s 4.8V - 7.4V FUT05102726-3 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.
- Brand: Futaba
- Model Number: FUT05102726-3
- Product Type: HPS-CT702 Low Profile Brushless Servo
- Servo Colour: Black
- Motor Type: Brushless HPS motor
- Gears: Metal 1–3 gears with high-strength metal final stage gear
- Spline: 25-tooth metal (Ø6mm)
- Case Material: Aluminium (top, middle, bottom)
- Case Type: Low-profile form factor
- Circuit Type: Digital
- Torque at 7.4V: 30.0 kgf·cm
- Torque at 6.0V: 23.0 kgf·cm
- Speed at 7.4V: 0.07 seconds per 60°
- Speed at 6.0V: 0.08 seconds per 60°
- Rated Voltage: DC 6.0V–7.4V
- Operating Voltage: DC 4.8V–8.4V
- Weight: 53 grams (1.86 oz)
- Length: 40.5 mm
- Width: 21.0 mm
- Height: 26.2 mm
- Command Protocols: PWM, S.BUS, S.BUS2
- Special Modes: SR Mode (Super Response), UR Mode support
- Compatibility: Compatible with Futaba receivers and systems supporting PWM, S.BUS, or S.BUS2
- Scale Compatibility: RC cars smaller than 1/5 scale (optimised for 1/10 scale)
- Contents: 1× HPS-CT702 Low Profile Brushless Servo, servo horns, mounting hardware
- Age Recommendation: 14+
Product Description of Futaba FUT05102726-3 HPS-CT702 brushless servo with S.Bus2
The Futaba FUT05102726-3 HPS-CT702 brushless servo with S.Bus2 is engineered for precision control in competitive 1/10 scale RC drift and touring cars. Designed with a low profile architecture, this high-performance servo delivers a torque output of 30.0kgf.cm and a rapid response time of 0.07 seconds per 60° at 7.4V, making it ideal for high-speed manoeuvres and tight cornering. The robust aluminium case in sleek black not only enhances durability but also improves heat dissipation during extended use. With support for SR and UR modes and full compatibility with S.Bus2 systems, the Futaba FUT05102726-3 low profile servo 30kg 0.07s offers advanced signal processing and programmable flexibility for serious RC enthusiasts. Every component, from the metal gear train to the brushless motor, is optimised for performance, making this servo a standout choice for demanding surface applications.
Key features of the Futaba FUT05102726-3 HPS-CT702 brushless servo
- Low profile design – fits seamlessly into compact 1/10 scale RC chassis without compromising steering geometry
- High torque output – delivers 30.0kgf.cm at 7.4V for confident control under competitive load conditions
- Fast response time – actuates in just 0.07 seconds per 60° for sharp, accurate manoeuvres
- Aluminium case – enhances structural rigidity and thermal management during prolonged operation
- SR and UR mode support – enables ultra-responsive signal processing with compatible Futaba transmitters
- Programmable via CIU-3 – allows detailed configuration of speed curves, endpoints, and control behaviour
- Metal gear train – ensures long-term durability and resistance to wear under aggressive driving
What makes the Futaba FUT05102726-3 low profile servo 30kg 0.07s ideal for competitive RC driving?
Precision and speed are critical in competitive RC environments, and the Futaba FUT05102726-3 low profile servo 30kg 0.07s is built to deliver both. Its compact dimensions—just 26.2mm in height—allow for seamless integration into tight chassis layouts, preserving optimal steering geometry. The servo’s brushless motor is tuned for high-speed actuation, enabling drivers to execute rapid directional changes with minimal delay. Whether navigating technical drift courses or high-speed touring tracks, the servo’s 30.0kgf.cm torque output ensures consistent control authority, even under extreme load conditions. This combination of compact design and powerful performance makes the servo a strategic asset for competitive setups.
How does the aluminium case improve performance in the Futaba FUT05102726-3 with metal gears and aluminium case?
The Futaba FUT05102726-3 with metal gears and aluminium case is designed to withstand the rigours of high-intensity RC racing. The aluminium housing provides enhanced structural rigidity, reducing flex and vibration during operation. This stability translates into smoother servo movement and more accurate control inputs. Additionally, aluminium’s thermal conductivity helps dissipate heat generated during prolonged use, protecting internal components and maintaining consistent performance. Paired with a full metal gear train, the servo offers exceptional durability, ensuring reliable operation across multiple race sessions without degradation in responsiveness or torque delivery.
Can the Futaba HPS-CT702 servo with SR/UR mode and CIU-3 compatibility be customised for different driving styles?
Absolutely. The Futaba HPS-CT702 servo with SR/UR mode and CIU-3 compatibility is built for adaptability. SR mode, supported by Futaba’s T7PX and 7PXR transmitters, and UR mode, compatible with the T10PX, enable ultra-fast signal processing, reducing latency and enhancing control resolution. These modes are particularly beneficial in drift and touring applications where split-second adjustments can determine race outcomes. Through CIU-3 connectivity, users can access PC-based programming to fine-tune servo parameters such as speed curves, endpoints, and response behaviour. This level of customisation allows drivers to align servo performance with their unique driving style and track conditions, offering a competitive edge in dynamic environments.
Why is the Futaba low profile servo for 1/10 scale on-road and off-road RC suitable for diverse terrain?
The Futaba low profile servo for 1/10 scale on-road and off-road RC is engineered for versatility. Its compact form factor ensures compatibility with a wide range of chassis designs, while the robust torque output supports both high-speed on-road racing and rugged off-road navigation. The servo’s metal gear train provides the resilience needed to handle uneven terrain and sudden impacts, while the aluminium case protects against environmental stressors. Whether tackling asphalt circuits or dirt tracks, the servo maintains consistent performance, making it a reliable choice for drivers who compete across multiple disciplines.
Is the Futaba FUT05102726-3 programmable HV servo for drift cars optimised for precision steering?
Yes, the Futaba FUT05102726-3 programmable HV servo for drift cars is specifically designed to enhance steering precision. Drift racing demands exact control over steering angles and timing, and this servo’s rapid response time of 0.07 seconds per 60° ensures that inputs are executed with minimal delay. The high-voltage brushless motor maintains consistent torque delivery, allowing for smooth transitions and controlled slides. Programmability via CIU-3 further enhances precision, enabling drivers to adjust servo behaviour to match specific drift setups. This level of control is essential for mastering complex drift techniques and maintaining competitive consistency.
How does the metal gear train in the Futaba FUT05102726-3 HPS-CT702 brushless servo support long-term reliability?
Durability is a cornerstone of the Futaba FUT05102726-3 HPS-CT702 brushless servo, and its metal gear train plays a pivotal role. Comprising all key gear stages—first, second, third, and final—the metal construction resists wear and deformation under high torque loads. This ensures that the servo maintains its performance characteristics over time, even in demanding racing conditions. The gear train’s precision machining contributes to smooth motion and reduced backlash, enhancing control accuracy. For drivers who participate in frequent competitions or extended practice sessions, this reliability translates into fewer maintenance intervals and sustained performance.
What makes the Futaba FUT05102726-3 HPS-CT702 brushless servo a strategic upgrade for serious RC racers?
The Futaba FUT05102726-3 HPS-CT702 brushless servo represents a strategic upgrade for racers seeking enhanced control, speed, and durability. Its combination of high torque, fast response, and advanced signal compatibility positions it as a top-tier component for competitive RC setups. The aluminium case and metal gear train ensure mechanical resilience, while SR and UR mode support deliver superior signal fidelity. Programmability via CIU-3 allows for tailored performance, giving drivers the flexibility to adapt to different tracks and driving styles. These attributes make the servo a valuable investment for those aiming to elevate their racing capabilities.
For RC enthusiasts looking to enhance their vehicle’s responsiveness and durability, affordable Futaba HPS-CT702 with 0.07s speed and 30kg torque offers exceptional value and performance. Buy Futaba FUT05102726-3 servo with horns and mounting hardware today.
Technical Specifications of Futaba FUT05102726-3 HPS-CT702 brushless servo with S.Bus2
Brand, Model and Product Type
- Brand: Futaba
- Model: FUT05102726-3
- Product Type: Futaba FUT05102726-3 HPS-CT702 brushless servo with S.Bus2, Futaba FUT05102726-3 low profile servo 30kg 0.07s, Futaba FUT05102726-3 programmable HV servo for drift cars, Futaba FUT05102726-3 with metal gears and aluminium case, Futaba HPS-CT702 servo with SR/UR mode and CIU-3 compatibility
- Product Colour: Black
Dimensions
- Product Length: 4.05 cm – compact enough for tight 1/10 scale RC chassis layouts
- Product Width: 2.10 cm – streamlined for low profile servo bays
- Product Height: 2.62 cm – optimised for flush mounting in competitive drift and touring setups
- Product Weight: 53 g – lightweight construction for responsive handling and reduced load
- Shipping Weight: 0.10 kg – includes packaging and accessories for secure transport
Performance and Power
- Torque Output at 7.4V: 30.0 kgf.cm – delivers high-force steering control for aggressive manoeuvres
- Torque Output at 6.0V: 23.0 kgf.cm – maintains reliable performance under moderate voltage conditions
- Speed at 7.4V: 0.07 sec/60° – enables rapid actuation for precision cornering
- Speed at 6.0V: 0.08 sec/60° – consistent responsiveness across voltage ranges
- Rated Voltage: DC 6.0V – 7.4V – supports high-voltage RC systems for stable output
- Operating Voltage Range: DC 4.8V – 8.4V – accommodates a wide spectrum of regulated power sources
Construction and Materials
- Case Material: Aluminium – enhances structural rigidity and dissipates heat during extended use
- Gear Material: Metal (1st, 2nd, 3rd, final) – ensures long-term durability under high-load conditions
- Cable Colour: Black-grey – matches modern RC chassis aesthetics
Signal Compatibility and Control Modes
- Signal Support: PWM and S.Bus2 – integrates with both conventional and digital control systems
- SR Mode Compatibility: Supported via Futaba T7PX and 7PXR transmitters – enables super responsive signal processing
- UR Mode Compatibility: Supported via Futaba T10PX transmitter – enhances control resolution for advanced setups
- Programmability: Compatible with CIU-2 / CIU-3 USB adapter – allows PC-based configuration of servo parameters
Application and Use Case
- Servo Type: Low Profile – ideal for 1/10 scale RC drift and touring cars
- Recommended Vehicle Scale: Only for RC cars smaller than 1/5 scale – optimised for compact platforms
What’s in the Box
- 1 × Futaba HPS-CT702 Low Profile Brushless Servo
- Servo horns
- Mounting hardware
What You Require
- Compatible Futaba transmitter with SR/UR mode and S.Bus2 support
- Power source within 4.8V to 8.4V range
- CIU-2 or CIU-3 USB adapter for PC programming (sold separately)
Sold Separately
- CIU-2 / CIU-3 USB adapter – required for advanced PC-based servo programming
- Futaba transmitter with programmable servo settings and SR/UR mode support
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