Quote:
Originally Posted by les chortos
The problem with Worm drive on the main wheels is that Worm drive is very ineffecient.
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That depends on if you use a single, double, triple or quad lead worm. Each of these provides a different level of efficiency - roughly 60%, 70%, 80% and 90% respectively.
We have never used a worm/worm gear combination for a drive but we have used it at the elbow of an arm. We needed to maintain a high level of efficiency and went with a 4-lead worm. I would worry less about the efficiency and more about sheering teeth in a pushing match. You may find that the wheels slip before the teeth fail but it can happen. Trust me! We experienced it at IRI in 2005.
Great looking drive Cooney! I was impressed with the prototype video when I saw it a couple months ago. Very smooth!
Sean
My father taught me long ago that how we respond to adversity is what defines us as human beings. Let's all keep this definition in mind as we move forward to change a culture. - Rich Kressly [more] 
28-04-2007, 18:48
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