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SnoopMaxx
RC-Monster Carbon Fiber
 
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02.21.2010, 02:15 PM

There are 44,5mm inside of rail on my standard 3906
and a 46t mod 1 is 48mm wide



Morten SnoopMaxx
Never to old to play

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Making a 52t spur fit
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_paralyzed_
working on a brushless for my wheelchair.....
 
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Making a 52t spur fit - 02.21.2010, 02:50 PM

In the interest of greater gear reduction I made a 52 tooth spur gear fit in my cd/motor mount. I first flipped the top plate over, the tapped holes that attach the top plate to the motor mount are not centered, they were biased to the top by about 1.5mm, and this extra clearance was needed. It sucks, because then the RC-Monster logo is hidden, but it had to be done.

I must mention now that you do this mod at your own risk, it will very likely weaken the mount. To compensate for this I used longer screws then are supplied with the mount. The holes that are dremeled by are deep enough that you can use a screw that will span past the affected area and get into the meat of the mount.

My pictures aren't that great, but they should give you a good idea what I did.

This is the top plate. I ground the top which becomes the bottom:



Here I attempt to show how close you get to the screw holes:



random hand porn:



I tried to show what I dremeled. Also, the ofna diff has a little play front to back, so the diff needs to be shimmed to the back so the spur stays as close as possible to the mount. If it wasn't shimmed it could slide forward, and even more material would need to be dremeled off.


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It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.
   
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ANGRY-ALIEN
RC-Monster Aluminum
 
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02.21.2010, 03:35 PM

geez... you guys definitely love using your hands
   
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