We use cookies to improve our website and your experience when using it. Cookies used for the essential operation of the site have already been set. Continuing to use this site signifies your implied consent to the use of Cookies - pressing the “I Agree button” will remove this notice. To find out more about the cookies we use and how to delete them, see our "Privacy & Cookies" policy in the footer.


Cart empty
Cart empty

NEW G5 - Ultra Rs - ESC

The All new and Exclusive Viper Ultra RS  is a Brushed speed controller designed specifically and exclusively to Mardave for use in RC Oval race cars.
Base price £31.50
Sales price £31.50
Total discount:

NEW Super soft Silicone wires as Standard 

The All new and Exclusive Viper Ultra RS  is a Brushed speed controller designed specifically and exclusively to Mardave for use in RC Oval race cars.

The Ultra has a race stock motor limit, what this means is that you can use any, DC Brushed 540 size race stock spec motor.

The Ultra is the perfect speed controller for anybody wanting to upgrade their old stock motor speed control in their oval car, for a no nonsense race stock limited, reversible electronic speed control allowing you to run race stock motors to the highest performance possible!

The Ultra is a one-off speed control that was designed for the Mardave range with the help of some of today's leading Oval race drivers! It has been tailored to get the very best out of any race stock motor, giving you more punch, acceleration and performance than you will have ever seen before, on top of the increased performance you get from the Ultra RS, the controllers software has been designed by Mardave race team, with the help of multi national winning racers, to develop the best feel and power for racing. If the controller has the reverse enabled it has normal forwards operation, then when the throttle is pulled back, the first 1/3 of throttle stick travel is purely brakes, the second 2/3 or throttle stick travel is reverse. When the OVAL controller is in the forwards and brake only mode (reverse disabled) all throttle stick movement in the backward direction is purely braking!

On top of all the new features on the Oval, you still get all the usual protection you expect from a Mardave speed control! Motor stall protection, motor short protection and of course ................ they are 100% waterproof.

New Mardave ESC Speed Controller . Built to Mardave Oval spec for punch and reliabilty

The Mardave Ultra RS Duo Tech Fets. Works great in a 6 cell brushed saloon , 1300 4 cell Saloon , Banger , Rooky rods and F2's.

Our most powerfull & punchy and with full speed instant reverse .

No switch to worry about & Ready to go at only £29.95 £4 cheaper than others & with Deans conector fitted  

Dont be fooled by other adds , This is a Mardave Spec ESC

Technical Specification

Product Type Viper RS- Ultra
Direction Forwards/Reverse
Motor Type Brushed
Motor Limit Race Stock
Battery Type NiCAD/NiMH
Lipo safe No
Operating Voltage Maximum 9.6 Volts
Set up Digital 1-touch
BEC 2.5A
Motor Short circuit protection Yes
Thermal overload protection Yes
Failsafe Built in
Dimensions L39.0mm x W34.0mm x H13.0mm
Weight 59.0g


There are yet no reviews for this product.

Welcome to Mardave

Welcome to Mardave RC Racing, the UK's number one 12th Oval RC car manufacturer!
Originally from Leicester, UK, Mardave produced the first ever RC modal car kit made in Europe back in the 60's. Now based in Norfolk, Mardave continue to produce models for all generations of RC racerbuy ambien online.