Sorry, someone who can help me with the design of a gearbox with two forward speeds and one reverse if I can help with that would appreciate you very much. By any measure this well need to print.
Take a look here: 5 Speed and Reverse Manual Transmission. This one has 5 forward and 1 reverse, you just have to eliminate some gears.
I need to make a gearbox with two forward gears and one reverse with spur gears, please help design you do not know how. The torque of the engine that will use is 28 lb / ft is to implement a model of a car have to print, but does not leave me, please I need help. My email is email@example.com