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Serious mechanical builders should study these handy directional
transmission devices. They rank high along with other nice sub-assemblies,
eg, adder-subtractor differentials and shifting transmissions. You may use
them in machines with or without robotics. Basically, the directional
transmission lets you shift between two drives with just an electrical
switch. In fact, you do not even need electricity - just crank the drive
shaft in the opposite direction and the gears transfer the motion from one
driven shaft to the second driven shaft. Only one driven shaft turns at a
time. This power plant could drive two different and unrelated machines.
Rich Thompson writes:
> I have been playing around with the directional transmission (as seen at
> http://www.sonic.net/~rci/transmission.htm). I needed a different
> orientation of the transmission and a different output setup. Check out
> http://www.marsrobot.com/dirtran.htm for the details.
>
> BTW, I also included on that page my first try at a 3d rendered movie. It is
> a film of the Directional Transmission disassembling itself. Remembering I
> am an amateur, LMKWYT...
>
> Rich Thompson
> http://www.marsrobot.com
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