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Simple Compact F/R Transmission

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THIS IS A REVISED MODEL
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I changed reverse gear to make the transmission a little smaller :D

This is a vanilla forward/backward transmission for piston engines that cannot turn in both directions.

SET UP:

weld the transmission to a base, then weld the output of your piston engine to the input of the transmission. The output of the transmission goes out to whatever you are trying to power.
(Front of the transmission has the switches on it)

INSTRUCTIONS:
Green switch is forward gear
Red switch is reverse gear
(This could change depending on your piston engine's rotation)

TIPS:
If both switches are off the transmission is in neutral gear
Turning both switches on will jam the transmission
With your piston engine off, flipping one of the switches will cause the transmission to act like a park brake