SAVOX 'HIGH VOLTAGE' STD SIZE ULTRA FAST 20KG/0.65@7.4V PLUS SAV-SV1273TG+

Overview

The SAVOX SV1273TG+ is a premium high voltage digital servo that represents the cutting edge of servo technology for serious RC enthusiasts in the UK. Designed specifically for native 2S LiPo operation, this ultra-fast standard size servo delivers exceptional speed and power that will transform the performance of your large-scale RC aircraft, jet, or 1/5th scale surface vehicle. Whether you're flying demanding aerobatic patterns, piloting high-speed jets, or operating large-scale buggies and trucks, the SV1273TG+ provides the precision, reliability, and responsiveness that competitive RC pilots and drivers demand.

Savox has engineered this servo with environmental responsibility at its core, creating a fully green product from materials through to production methods. This commitment to sustainability doesn't compromise performance—quite the opposite. The SV1273TG+ combines advanced engineering with durable construction to deliver a servo that performs at the highest level whilst respecting the environment. If you're searching for a high-performance RC servo UK buyers can trust, the SV1273TG+ stands out as a recognised choice among experienced RC model enthusiasts, whether you're racing, performing aerobatics, or pushing the limits of large-scale RC vehicles.

This servo has been engineered for those who refuse to compromise on speed, strength, or reliability. The special design for high voltage operation means you're not just getting a servo that works with 2S LiPo batteries—you're getting a servo specifically optimised for them, delivering performance characteristics that standard servos simply cannot match.

Key Features

• Extremely Fast Performance at 0.065 seconds per 60 degrees — Operating at 7.4V (2S LiPo), this servo reaches a blistering 0.065 second per 60 degree movement, making it one of the fastest standard size servos available for RC applications in the UK. This ultra-fast response time is crucial for aerobatic flying, precision manoeuvres, and competitive racing where every millisecond matters in achieving smooth, accurate control.
• Ultra-Strong Titanium and Aluminium Gears — The servo features a unique combination of titanium and aluminium gears that provide exceptional durability and precision. These premium materials survive heavy use and demanding applications far better than standard plastic gears, ensuring your servo remains reliable through countless hours of operation without stripping or wearing out.
• Coreless Motor Technology — The advanced coreless motor design brings output performance to the absolute top level, delivering smoother operation, faster response times, and greater efficiency than conventional motor designs. This engineering breakthrough means more power is delivered to your control surfaces and less energy is wasted as heat.
• High Voltage Native 2S LiPo Optimisation — Unlike servos that merely tolerate high voltage operation, the SV1273TG+ is specifically designed for native 2S LiPo battery use. This means the servo electronics and internal components are engineered from the ground up to work optimally at 7.4V, extracting maximum performance and reliability from your battery system.
• Water-Proof Design with Four Silicon Seals — Complete water-proof protection is achieved through four strategically placed silicon seals that guard against moisture ingress from rain, water spray, and humidity. This makes the SV1273TG+ suitable for outdoor use in challenging weather conditions and WET environments, protecting your investment regardless of conditions.
• Part Aluminium Case Construction — The servo case incorporates aluminium components that provide excellent strength-to-weight ratio, durability, and heat dissipation. This precision construction protects internal components whilst keeping the overall servo weight minimal, important for maintaining the balance and performance of your RC model.
• Dual Ball Bearing Support — The servo uses two ball bearings to support the output shaft, providing smooth, precise rotation with minimal friction and wear. This bearing arrangement ensures longevity and consistent performance even during extended use or heavy load conditions.
• 25 Tooth Spline Servo Horn — The servo comes fitted with a 25 tooth spline horn that is compatible with the vast majority of RC aircraft, jets, and large-scale surface vehicles available in the UK market. This standard fitment means straightforward installation with most popular RC models.
• Soft Start Mode and Sanwa SSR Compatibility (Plus Model) — As part of the new Plus generation of Savox servos, the SV1273TG+ features soft start mode that reduces mechanical shock during power-up and protects your mechanical linkages. Additionally, it is fully compatible with Sanwa SSR radio systems, offering flexibility for builders who use Sanwa equipment or plan to upgrade their radio in future.
• Variable Voltage Performance Range — Whilst optimised for 7.4V (2S LiPo) operation, the SV1273TG+ also functions at 6.0V and 8.4V, allowing you to adjust performance characteristics based on your specific application needs and providing flexibility in battery selection.

Technical Performance

The SAVOX SV1273TG+ achieves its exceptional performance through careful engineering of every internal component. At 7.4V (2S LiPo), the servo delivers 20 kilogram-centimetres of torque whilst achieving that remarkable 0.065 second response time. This combination of speed and power is particularly valuable for large-scale RC aircraft where quick, precise control surface movements prevent stalls and maintain stability, and for 1/5th scale surface vehicles where rapid steering and throttle response determine racing success. The servo can also operate at 6.0V where it produces 14 kilogram-centimetres of torque at 0.08 seconds per 60 degrees, or at 8.4V where it develops impressive 25 kilogram-centimetres of torque at 0.07 seconds per 60 degrees, demonstrating the flexibility of this design. The coreless motor technology ensures that power delivery is smooth and efficient, reducing the chance of overshooting or jerky movements that plague inferior servo designs. The titanium and aluminium gear train is manufactured to exacting standards, resulting in gears that mesh precisely and transmit power with minimal backlash—a critical factor for RC aircraft where even small amounts of play can affect flight stability and aerobatic performance. The dual ball bearing output shaft support eliminates shaft play and ensures that response remains crisp even after thousands of cycles. Weighing just 63 grams, the SV1273TG+ remains compact and lightweight despite its impressive performance, making it ideal for weight-conscious applications where every gram matters. The dimensions of 40.3mm length by 20.2mm width by 37.2mm height confirm the standard size classification, ensuring compatibility with the vast majority of modern RC aircraft, jets, and large-scale surface vehicles available to UK enthusiasts.

What's in the Box

• SAVOX SV1273TG+ High Voltage Digital Servo
• 25 Tooth Spline Servo Horn

What You Need to Complete

• 2S LiPo Battery (7.4V) — For optimal performance, a quality 2S LiPo battery is required. The servo is specifically optimised for this voltage and will deliver peak performance with 2S power systems.
• RC Radio Control System — A compatible RC radio transmitter and receiver system with available servo channel capacity is required to operate the servo.
• Servo Extension Cables or Direct Connection — Depending on your RC model's configuration, you may need servo extension cables to reach the servo bay or control linkage points.
• Mechanical Linkage Components — For installation in your RC model, you will need appropriate pushrods, clevises, and mechanical linkage hardware to connect the servo horn to your control surfaces.

Frequently Asked Questions

• Is the SAVOX SV1273TG+ suitable for large-scale RC aircraft? — Yes, this servo is specifically designed and recommended for large-scale RC aircraft applications. The combination of fast response time, high torque capacity, water-proof protection, and standard size make it ideal for everything from scale aerobatic aircraft to high-performance jet models that demand precise, rapid control surface movements.
• What battery voltage should I use with this servo? — The SV1273TG+ is optimised for native 2S LiPo (7.4V) operation, where it delivers 20kg-cm torque at 0.065 seconds per 60 degrees. It can also operate at 6.0V or 8.4V if needed for specific applications, though 7.4V is the recommended operating voltage for best performance.
• Does this servo work with Sanwa radio systems? — Yes, the SV1273TG+ is fully compatible with Sanwa SSR radio systems as part of the new Plus generation features, making it an excellent choice if you are using or planning to use Sanwa equipment.
• How does the SV1273TG+ compare to other standard size servos? — The SV1273TG+ stands out through its combination of extreme speed (0.065 seconds), strong titanium and aluminium gears, coreless motor technology, and specific high voltage optimisation. Many standard servos are more compromises, but the SV1273TG+ was engineered from the ground up for performance, making it a top choice for competitive RC pilots and experienced builders who demand the best.
• Is the servo water-proof? — Yes, the SV1273TG+ is fully water-proof thanks to four silicon seals that protect against moisture ingress, making it suitable for outdoor flying and wet weather conditions.
• What size is this servo and will it fit my RC model? — At 40.3mm x 20.2mm x 37.2mm, this is a standard size servo that fits the vast majority of modern large-scale RC aircraft, jets, and 1/5th scale surface vehicles available in the UK. However, you should verify servo bay dimensions on your specific model before purchasing.
• Why is a coreless motor better? — A coreless motor design eliminates the iron core found in conventional motors, resulting in smoother operation, faster response, better efficiency, and reduced heat generation. This means your servo delivers power more smoothly without the cogging effect common in standard motors, and performs consistently throughout long operating sessions.

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 SAVOX 'HIGH VOLTAGE' STD SIZE ULTRA FAST 20KG/0.65@7.4V PLUS SAV-SV1273TG+ 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.