C-52022

Overview

The Team Corally Varioprop Digital Servo CR7225MG is a professional-grade digital servo engineered for high-performance RC applications across the UK and beyond. This compact yet powerful servo delivers exceptional precision and reliability, making it an ideal choice for serious RC enthusiasts who demand the best from their equipment. Whether you're upgrading your brushless RC truck, fine-tuning your basher buggy, or building a competition-grade vehicle, the Varioprop servo offers the speed, torque and durability that separates winning setups from the rest.

As a high-voltage digital servo, the CR7225MG operates across a wide voltage range from 6.0V to 8.4V, allowing you to extract maximum performance as you upgrade your battery setup. The digital control system ensures lightning-fast response times and rock-solid positioning accuracy, whilst the robust metal gear construction can withstand the punishment of aggressive driving. With a maximum torque output of 25 kg/cm at 7.4V, this servo delivers the muscle needed for demanding steering control on high-powered RC vehicles including the Corally Kagama XP 6S, Punisher 4, and Spark XB6 series.

Built with an aluminium composite case and precision DC core motor, the Varioprop represents the pinnacle of servo engineering. For UK RC car enthusiasts, ready to run RC truck owners, and anyone serious about RC performance, this servo is a game-changer that elevates your control and consistency to professional levels.

Key Features

• Digital Ultra High Voltage Technology — The servo operates on high-voltage power ranging from 6.0V to 8.4V, enabling faster response times and greater torque delivery compared to standard servos, which means more responsive steering and better control precision on demanding terrain.
• Exceptional Torque Output — Delivering up to 25 kg/cm of torque at 7.4V with a usable range of 16-25 kg/cm across the voltage spectrum, this servo provides the powerful steering authority needed for high-speed bashers, racing buggies, and aggressive off-road RC trucks.
• Rapid Speed Performance — With a servo speed of 0.14 seconds per 60-degree rotation at 6.0V and even faster response at higher voltages, the Varioprop ensures your steering inputs translate to the vehicle almost instantaneously, critical for maintaining control at high speeds.
• Metal Gear Construction — The metal gears are engineered to withstand extreme loads and repeated impacts, making this servo far more durable than plastic-geared alternatives and perfect for the punishment of hardcore RC bashing.
• Compact Standard Size — At just 63 grams with dimensions of 40.5mm length, 20.5mm width, and 38mm height (28.5mm in some specifications), this standard servo fits seamlessly into most RC vehicle designs without adding unnecessary weight or complexity.
• Aluminium Composite Case — The robust aluminium housing provides superior heat dissipation and structural rigidity, protecting the internal mechanism whilst keeping the servo lightweight and efficient.
• Ball Bearing Motor — The precision ball-bearing DC core motor runs smooth and fast, reducing friction and delivering consistent performance over thousands of operating hours without degradation.
• Water and Dust Resistance — This servo is water-resistant and dust-resistant, protecting it from mud, water spray, and environmental contaminants during wet weather RC sessions and muddy terrain driving.
• 25T Spline Compatibility — The standard 25-tooth spline accepts a wide range of servo horns and arms, making it compatible with countless RC vehicles and aftermarket steering components available across the UK RC market.
• Universal JR Connector with Coloured Lead — The JR-standard connector ensures compatibility with virtually all modern RC receivers and radio systems, whilst the colour-coded lead simplifies installation and reduces wiring errors.
• Direct Drive Potentiometer Positioning — The VR potentiometer-based positioning system delivers absolutely precise control without hunting or oscillation, maintaining accurate servo position even under load.

Technical Performance

The Corally Varioprop CR7225MG is engineered with meticulous attention to detail, combining premium materials and precision manufacturing to deliver servo performance that competes with much more expensive alternatives. At the heart of this servo lies a quality DC core motor with ball bearings, delivering smooth, consistent power delivery throughout the full range of motion. The metal gear train transfers this motor power with minimal loss, translating directly into responsive steering control for your RC vehicle. Operating voltage flexibility from 6.0V through to 8.4V means you can start with a standard 2S LiPo battery and upgrade to higher-voltage packs as your RC car evolves, with the servo scaling its performance accordingly—delivering 16 kg/cm torque at 4.8V and ramping up to a commanding 25 kg/cm at 7.4V. The speed characteristics are equally impressive, maintaining consistent 60-degree rotation speeds that hover around 0.13-0.14 seconds across the usable voltage range, ensuring your steering response remains lightning-fast whether you're running fresh batteries or slightly depleted ones. The digital control circuitry integrates advanced signal processing that eliminates the servo jitter and lag common in analogue servos, critical when navigating high-speed RC truck runs or competitive racing scenarios. Weight sits at an efficient 63 grams, light enough that it won't significantly impact your RC car's handling balance whilst remaining sturdy enough for aggressive steering inputs. The aluminium-composite case not only looks professional but also manages heat effectively, crucial for extended driving sessions where servo cycling accelerates thermal buildup. Water and dust resistance means this servo shrugs off muddy RC tracks, rainy British weather, and the spray from river crossings, making it equally at home in your living room racer or your weekend outdoor basher.

What's in the Box

• Corally Varioprop CR7225MG Digital Servo
• JR Connector with Coloured Lead

Frequently Asked Questions

• Is the Corally Varioprop CR7225MG suitable for beginners in RC hobbies? — This is a digital servo optimised for intermediate to advanced users who understand voltage management and servo calibration. Beginners can certainly use it, but they should be comfortable with radio programming and servo setup procedures. The high-voltage capability means you need appropriate batteries and an ESC capable of handling HV servos.
• What battery voltage does this servo need to operate? — The Varioprop operates across 6.0V to 8.4V, meaning it works with 2S LiPo batteries (7.4V nominal) perfectly, and will also accept 2S batteries at full charge (8.4V). It requires a receiver and ESC that support high-voltage servo operation.
• How does the Corally Varioprop compare to standard plastic-gear servos? — The metal gear construction delivers superior durability and response consistency compared to plastic alternatives. The digital control system provides faster signal processing and more precise positioning than analogue servos. The high-voltage capability means it produces more torque and faster speeds than standard voltage servos, making it the superior choice for high-performance RC trucks and buggies.
• Which RC vehicles is this servo compatible with? — The Varioprop is verified compatible with Corally Kagama XP 6S brushless trucks in all colours, Corally Punisher 4 brushless basher trucks, and Corally Spark XB6 brushless buggies. Any RC vehicle using a JR-connector standard servo will accept this unit, including most modern ready to run RC cars available in the UK market.
• What makes the digital control system better than analogue? — Digital servo control uses rapid digital signal processing to continuously monitor and adjust servo position, delivering faster response times, better accuracy, and elimination of the hunting or jitter common in analogue servos. For racing or competitive driving, this translates to measurably better control precision.
• Is water resistance sufficient for river crossings or wet weather driving? — The servo is water and dust-resistant, protecting against splashes, rain, and muddy spray. However, complete submersion is not recommended. For safe operation in wet conditions, ensure your receiver and radio are also waterproof-rated, and avoid driving through deep water where the servo may be fully submerged.
• How do I install this servo in my RC car? — The standard 25T spline accepts most aftermarket servo horns. Connect the JR plug to your receiver, calibrate the servo centre and throw limits through your radio transmitter, then secure the servo in your car's servo tray using the appropriate mounting hardware for your vehicle model.

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 CORALLY VARIOPROP DIGITAL SERVO CR7225MG HIGH VOLTAGE CORE C-52022 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.