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Subject: 
Re: Working automatic transmission!
Newsgroups: 
lugnet.robotics
Date: 
Wed, 25 Nov 1998 13:25:31 GMT
Original-From: 
Russell Nelson <NELSON@CRYNWR.COMstopspammers>
Viewed: 
2213 times
  
Andrew Carol writes:
>          *     <- Large gear on differential body drives output.
>      *-R[]-*   <- R = ratchet, [] = differential
>      ^         <- 1st gear axle has lg gear which drives med gear as
>                   differential input 1.
>            ^   <- 2nd gear axle has med gear which drives med gear as
>                   differential input 2.
>      *     *   <- small gears.  Left drives 1st gear axle, right drives
>                   2nd gear axle.
> -#-//////SSSSS#-M  <- /// = screw, SSS = spring, M = motor (geared down a
>                   bit)
>
> It's fairly compact and works like a charm!  I hope to take some pictures in
> the next few days.

Cool.  I'll put them up on /lego-robotics if you have no better place.

--
-russ nelson <rn-sig@crynwr.com>  http://crynwr.com/~nelson
Crynwr supports Open Source(tm) Software| PGPok |   There is good evidence
521 Pleasant Valley Rd. | +1 315 268 1925 voice |   that freedom is the
Potsdam, NY 13676-3213  | +1 315 268 9201 FAX   |   cause of world peace.



Message is in Reply To:
  Working automatic transmission!
 
I took Dave Forrest's automatic transmission challenge and built a working model out of basic technic. It determines which gear to use strictly based on the load being driven. I put a shock-absorber spring over an axle next to a screw. The screw (...) (26 years ago, 25-Nov-98, to lugnet.robotics)

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