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Unread 27-01-2012, 21:35
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JamesCH95 JamesCH95 is offline
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Re: Top/bottom roller shooter vs. bottom roller only

Quote:
Originally Posted by dragonman View Post
Ok so, I am design our shooting system and have designed a two roller shooter, however I was informed there is an optimum roller diameter based on the rpms it will spin and the ball diameter and I was told there where calculators. I found jvns design calculator but there wasnt anything about shooting. Does anyone know about any calculations and formulas I can use or of a Design calculator for this?
A decent estimation is that the ball will get moving at 60-70% of the ideal free speed of your shooter roller's tangential velocity. Aim for 1-2" of pinch, with some adjustment (we're using 1.5" of pinch). Wrap your rollers in a grippy, compliant, material.

Hope this helps.
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