Subject:
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Re: High Strength Powered Steerable pivot wheel
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 21 May 2001 14:58:46 GMT
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Viewed:
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657 times
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In lugnet.robotics, Steven Nickle writes:
> I am building a shrimp-style rover along the lines of what Mario Ferrari
> built. I uses 6 powered wheels. A pair on each side in lateral boggies,
> One in the front on an articulated arm, a rear fixed to the chassis.
>
> Problem is coming up with a strong enough steerable joint. A single axle is
> not strong enough to hold up as the rover climbs or descends steps. The
> wheel most pivot on its vertical axis. I am aiming for a five position
> control: Straight ahead, 45 left and right, and 90 left and right.
>
> Any ideas?
Do you need to steer each wheel independently? The only really strong
turntable element you can also pass a drive through is the Technic Turntable
(2855/2856 on Partsref) but you would need six. The internal teeth would
make it easy to drive the steering though. You may be able to put one on
the front wheel, steer the bogies of the mid wheels and leave the back one
which would cut it down to three.
I'm sure someone else will have a better idea though.
Psi
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Message has 1 Reply:
 | | Re: High Strength Powered Steerable pivot wheel
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| I was unfamiliar with that turntable. I will have to see if I can find some. Anybody know of an esay to find kit that include them? I only need two: Front and rear. The steering is handle mainly by the front and rear with the side wheels driven like (...) (24 years ago, 21-May-01, to lugnet.robotics)
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Message is in Reply To:
| | High Strength Powered Steerable pivot wheel
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| I am building a shrimp-style rover along the lines of what Mario Ferrari built. I uses 6 powered wheels. A pair on each side in lateral boggies, One in the front on an articulated arm, a rear fixed to the chassis. Problem is coming up with a strong (...) (24 years ago, 21-May-01, to lugnet.robotics)
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