chunkielad
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| posted on 1/3/05 at 08:01 PM |
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One UJ
Looking at my middy BEC design and I realised I only have space for one UJ.
Is this going to be an issue?
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ReMan
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| posted on 1/3/05 at 09:13 PM |
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I may be wrong but I think that the physics of it dictates that you need a pair to keep the input and output velocity constant?
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JoelP
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| posted on 1/3/05 at 09:41 PM |
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reman would be technically right, but if the shafts were very nearly aligned the 'outness' would be minimal. Maybe use a rubber cush or
donut instead?
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chunkielad
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| posted on 1/3/05 at 09:47 PM |
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I am only talking the length of one UJ for the whole shaft. The output on the bike engine matches the gear box end of the UJ!!
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ReMan
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| posted on 1/3/05 at 10:20 PM |
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quote:
Originally posted by JoelP
reman would be technically right, but if the shafts were very nearly aligned the 'outness' would be minimal. Maybe use a rubber cush or
donut instead?
Hmm, I think that Joels idea of a rubber (infinitely flexible in 3D) may be the way to go, however small , my theory would cause either some speed
variation (tiny though it would be) or a tendancy for the joint to move in and out , i think Now its hurting!
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