Subject:
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Re: Steering mechanism
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 16 Jun 2001 20:20:09 GMT
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Original-From:
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Simon Bogaert <Simon.Bogaert@advalvas*ihatespam*.be>
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Viewed:
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576 times
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Forwarding this to the list...
-----Original Message-----
From: Simon Bogaert Simon.Bogaert@advalvas.be
Sent: Sat, 16 Jun 2001 14:47:45 +0200
To: Legomaster@gobi.com
Subject: Re: Steering mechanism
> Hmmm. Interesting, I'm not sure, I'm trying to visualize the set up.
Here's an attempt ot an ASCII-art:
_ _
| | | |
| |ooOoo ooOoo| |
|_| x= =x |_|
\ /
x==============x
Left and right are wheels; everything is seen from the top. Next to the
wheels are universal joints, of which the center is the O; it's also the
pivoting point of thewheelsupports. == denotes a firm structure, such as a
liftarm or beam. x is a ball joint, to which 6 studs long linkage ( \ and
/ ) bars are fixed, like in the steering in 8448.
Hope this clears things up a bit,
Simon
PS Outlook Express is louzy for Ascii-art!
> Hmmm. Interesting, I'm not sure, I'm trying to visualize the set up.
>
>
> In lugnet.robotics, "Simon Bogaert" <Simon.Bogaert@advalvas.be> writes:
> > Hello all,
> >
> > I was building a steering mechanism with propulsion the other day, and I • ran
> > into a problem. Unknowingly, I made an Ackermann steering linkage, a • setup
> > in which the bar between the pivoting wheelsupports is shorter than the
> > distance between the two hinges (like in 8880). The only problem is, I
> > reversed the system, so that the linking bar is actually shorter. Now I
> > want to know if it will really matter if I leave it like this or redesign
> > it. Will the friction that is created kill my propulsion efficiency? • Will
> > my current setup kill my small turning radius? What I did notice, is • that
> > the turning radius was smaller if I ran the vehicle in reverse.
> >
> > Thanks for your help,
> >
> > Simon
>
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