[Behind the Lines] Ep. 5 Mechanism Design with 118, 3847, and 973!

[Mike Marandola]

Originally Posted by AllenGregoryIV

Lot of teams use them, they are very easy to build. Just open up a 12v drill (118 uses 18volt drills sometimes but that's a bit risky with some motors) and remove the motor. Connect the wiries to Anderson connectors or some other quick dissconnects. This allows you to change the speed and direction of whatever motor connects to it.

We use a small makita 12 volt drill that we broke the chuck off of and a cheap 12 volt model from Walmart that we bought specifically to use for that purpose.

Awesome, thanks. I wish we didn't throw out the rest of the drill that we took the gearbox out of last year.