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-   -   Axle mounted diff lock servo. (http://www.rccrawler.com/forum/venom-creeper/224712-axle-mounted-diff-lock-servo.html)

Sheep Shagger 01-17-2010 04:11 PM

Axle mounted diff lock servo.
 
After spending about 8 hours setting up the diff lock servo & cable, longer than it took to build the car. I got it to a point where is was perfect and didn't need constant adjusting. But I could never get the front and rear in sync on the same channel. So like others, I gave up on the frame mounted servo with long cable and made axle mounts for the servo's.

First I printed the PDF page of the venom manual that has the parts list onto card (great because it's 1:1). Then started mocking up different ideas.
I wanted to keep the cable / spring and cable channel, since all thoes parts are good quality, but just move the servo so there were no bends in the wire.
Once I had it perfect, I made up a plate from ally.
http://sheepshagger.smugmug.com/Cars...60_6gqkc-L.jpg

Then painted it black. Here it is next to the stock part.
http://sheepshagger.smugmug.com/Cars...02_2UjsC-L.jpg

Mounted it all up, and moved the steering arm to the other side so it doesn't hit on full lock.
http://sheepshagger.smugmug.com/Cars...98_jW2gj-L.jpg

Here is the underside as you can see I kept all the stock parts.
http://sheepshagger.smugmug.com/Cars...46_xWJ3e-L.jpg


It worked so well, that I made another bracket for the rear. Since I'm not going to add rear wheel steering, I had a lot more room to play with, I just used a piece of ally angle, and cut a square hole in it for the servo.
http://sheepshagger.smugmug.com/Cars...23_pzAtJ-L.jpg



All in all, only took a few hours to make and setup. Works perfectly, and both servo's are on one channel with identical adjustment.

http://sheepshagger.smugmug.com/Cars...32_RXnq5-L.jpg


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