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Unread 17-08-2013, 04:50
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Re: Using Timing Belt Pulleys for full court shooter

Quote:
Originally Posted by Andrew Lawrence View Post
Why not use similar shafts? One great way to achieve the speeds you're interested in is to use the VEXPro VersaPlanetaries with BB550's, BB775's, AM9015, or BAG motors in them all with the same 1/2" hex output shaft. By standardizing the output shafts, you should no longer have the problem of mixing pulleys.
I assume that the reason for no gearbox is efficiency.
We used 2 mini cims, and had no trouble hitting 1 shot per second full court with a belt setup. We had chains before, and it took quite a bit more current on the mini cims to maintain the same wheel rpm. Our shot time was also significantly slower. As good as the versa planetaries are, they're not quite 95%+ efficient.
 


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