RCU Forums - View Single Post - HPI RS4 Evo to Electric Conversion
View Single Post
Old 05-06-2020 | 10:51 AM
  #7  
caglareric
Junior Member
 
Joined: May 2020
Posts: 13
Likes: 0
Received 1 Like on 1 Post
Default

Originally Posted by Overvolted
I did not have a one way bearing on my spur. When I removed the engine the spur ran freely both ways. The test run went bad quickly as my steering servo crapped out, stripped I think, as soon as I started running. Im using the brake and reverse function built into the esc. The 2s lipo did the trick though and the light show from the back of the motor can was cool. I will replace the servo today and run again while taking motor temps as I may have too small of a pinion gear in the heavy car with the 17t. Ill post up some pics tonight as well.
I have a one way bearing which lets the 1st gear spur freely spin whilst its in 2nd, so, if I tried to reverse, it would just spin the spur backwards without the actual wheels turning.

I have an idea in theory but not sure how well it would do if I actually did them.

On my transmission, I have a clutch bell with an already threaded hole to mount the inner parts to the shaft, it currently has a grub screw in there which allows the outer casing of the clutch to spin freely until the clutch catches onto it which in turn spins the spur. My idea is to put a longer screw in there so that the out and inner parts of the clutch are locked, therefore, it will turn the wheels both ways. The only issue i may face with this is that the torque may bend/brake the screw or clutch casing.

If that fails, apparently there is a traxxas spur gear which would mount straight on, however its only a 34 teeth spur where as mine is a 47 teeth.

I have bought a set of pinions that range from 15t to 20t so hopefully one of them should do the trick.