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Ev Archive for December 1998
1060 messages, last added Wed Aug 08 18:43:52 2001

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Re: Clutch + transmission, or not?



Dennis Marer <dmarer@mipos2.intel.com> writes:

>> Bob MacDowell writes:
>> Although other things would work too.  My favorite solution would be one
>> from the railways - have two motors and switch them series/parallel.
>> Series would double your torque, ideal for "first gear".  Parallel gives
>> efficient high-speed cruise, and you can cut out one motor.   Consensus
>> seems to be that this would work, but no one I know of has tried it. 

>Yeah yeah yeah!  This is a really clever idea - I think it'll fit nicely
>into what I have planned.  Neat.

Yeah and you can look at railroad schematics (which embraced simplicity)
for how to set it up.  Although semiconductors (particularly the lowly
diode) offer many other options. 

>It's not the money I'm interested in, it's the legal protection.  Without
>a patent, you've got nothing.  With a patent, you've got at least a little
>something. 

A little, but when you add up all the hassles, you have less than zero.  
Go to Don's site http://www.tinaja.com and read about his many ideas, 
none of which are patented, and ask yourself, "How does he protect these?" 

-Bob