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Ross Crawford wrote:
> Nice! With regard to the drive wheels, can you somehow include a vertical wheel
> (free-wheeling) resting on top of the rails, to take most of the weight?
>
> ROSCO
Thanks. Yes, adding a wheel that runs on top of the rail to support the weight is
what I'd like to do. The problem is keeping things compact enough that it can
still negotiate the corners.
Infact it might be possible to drop one pair of drive wheels and put a support
wheel in its place. I haven't really tested the traction requirements to know if
two pair of drive wheels is really required.
Derek
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