Subject:
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Re: Problem with auto-steering mechanism.
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 25 Oct 2002 21:49:26 GMT
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Viewed:
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643 times
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<snip snip snip>
> > >
> > > If I remember right, the vertical drive shaft (from the motor in the
> > > body) was also the center of the circle for steering. Something like
> > > this:
> > >
> > > S S T S T
> > > T S T T S T
> > > TTTTSTTTT
> > > T GGG T WWWW T G T WWWW
> > > TAGAAAAATAAAWWWW
> > > G WWWW
> > > WWWW
> > >
> > > S = Shaft (drive shaft from motor)
> > > T = Technic Turntable
> > > G = Gear
> > > A = Axel
> > > W = Wheel
>
> http://www.sjbaker.org/toy2.gif
if i remember correctly there was something where the guy did something like
put a differential through the turntable with the 24t part of the diff
inside the 24t inside gearing and then made a sort of limited slip axel (did
i say that right?) i seem to remember the problem being that if it was a
fixed axel the vehicle would turn and do 180 degrees so with the limited
axel it would turn at almost a 90 degree angle. if you place the diff inside
the turntable and drive the vertical axel you'll understand: drive goes
through the diff until it is stopped and then is transferred to the rotation
of the turntable.
m.
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Message has 2 Replies:
 | | Re: Problem with auto-steering mechanism.
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| (...) Yes - that seems to work too - but it still needs one wheel in the middle to make it practical and that added to the length of the differential makes for a VERY tall vehicle. Even my original design suffers from that problem. I'm having to (...) (22 years ago, 26-Oct-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: Problem with auto-steering mechanism.
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| (...) > >> ....*OH*...so there is only one wheel in your solution. Hmmm - I hadn't (...) Aha! That works a treat! (URL) a bit slow moving with that gearing - but I'll soon fix that) Many thanks. ---...--- Steve Baker ---...--- HomeEmail: (...) (22 years ago, 25-Oct-02, to lugnet.robotics)
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