HI everybody! A while back(before I did Rebrickable or EB), I built a transmission out of a Ford Model T. It is much different than almost any other gearboxes today, whether Lego or real. The real one from 1908 was like a modern automatic transmission. it had 2 planetary gear drums, one for first and second gear(the car only had 2 forward gear ratios to offer), and another for reverse. There was also a solid metal drum in the transmission for the singular brake, and a handbrake lever in the cab which put the car into neutral, then pulled the brake pedal to the floor.
My Lego MOC of about a year ago only had the clutch and handbrake for controls( please look up a video of how to drive a model T to know what I'm talking about). I used a differential clutch for that MOC, which had a rubber tire connected by gear to a differential case. stopping this tire made the clutch transmit power. this was connected by a linkage to the changeover catch for a 2 speed manual gearbox. When shifting slowly from first to second gear, this would happen: the linkage would open the clutch, move the driving ring past neutral and into second gear, then close(engage) the clutch. this linkage was always reliable for me, and always resulted in a very smooth gear change.
Would anybody be interested in instructions for something like this, but with all 3 pedals(clutch/shifter, brake and reverse)? I originally had this as a workbench post on Rebrickable. Please private message me here:

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with your questions, comments, or concerns.

Thank you for reading!

Edited August 23, 2024Aug 23 by Milan
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Hello @LegoLord1880

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