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XRAY - Model racing cars :: View topic - Over drive Under drive with mixed pulley sets
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Over drive Under drive with mixed pulley sets
https://setup.teamxray.com/xsetup/legacy/viewtopic.php?f=8&t=538		 Page 1 of 1
Author:  trickpatrick [ Tue Nov 30, 2004 07:58:19 ]
Post subject:  Over drive Under drive with mixed pulley sets
Author:  loony toon [ Wed Dec 01, 2004 23:24:33 ]
Post subject: 
Author:  Thistle [ Fri Dec 03, 2004 07:20:51 ]
Post subject: 
I could be wrong but...
I think you would have to use a one-way diff or pulley, in order to under drive the front wheels. (larger pulley / smaller wheels in front) This way, at top speed, the front diff is free-wheeling and the car acts as a rear wheel drive car. If you over drive the front wheels, (smaller pulley / larger wheels) the car will drag the slower spinning rear wheels at top speed. Without the one-way, you would always be dragging or pushing one end of the car.
Any other input?
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