HPI Racing 2019 Jumpshot ST V2 Brushed Motor Upgraded to Brushless Power Don't!  OMGRC.com
Channel: OMGRC
Date: 13/11/2019

#omgrc #rc #rccar
HPI Racing Jumpshot ST v2 Out of the box with my 2s Lipo 7.4 volts went 16MPH. Needless to say that wasn't very fast for myself but for someone just getting into the hobby this maybe fine. I went and installed a Traxxas 3350R Velineon VXL-3s Brushless Power System. I ran Jumpshot for a very short time with new brushless setup on 3s Venom 5000 50c battery before killing the only plastic gear in the transmission. 
JUMPSHOT ST V2
https://omgrc.com/products/jumpshot-st-v2?variant=29479282737267


Here is what HPI Racing had told me. 
   
Hi Joe, 

Thank you for the images. 
I do not believe the Firestorm gearbox is compatible. 

The Jumpshot was designed and made originally in 2015 by the US design team. I do not know the original decision process behind it. We can only work to improve it in future.

The reason we have not made that gear in metal right now, is that the manufacturer we use for the gears cannot make a sintered metal gear of that size reliably. Though we have tried. The diff casing and gear has already been changed to our hardest race spec material available. We also feel the tooth spacing can be improved and it will be something we will look into.
We are working on Flux solutions for the diff including a completely different design rather than just a material change. Right now it's only recommended for brushed power.

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