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Unread 08-07-2010, 08:03
Jared Russell's Avatar
Jared Russell Jared Russell is offline
Taking a year (mostly) off
FRC #0254 (The Cheesy Poofs), FRC #0341 (Miss Daisy)
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Re: pic: Off-Season Kicker Design

Our team used a US Digital MA3 absolute magnetic encoder directly coupled to a small bore in the end of our kicker shaft and it held up great. We used the sleeve bushing model, rated up to 10,000 rad/secē acceleration and 100 RPM continuous top speed, but you can get the ball bearing model (250,000 rad/secē; 15,000 RPM) if you want even more of a safety margin. No detents or hard stops, no gap in sensing, and no wiper wear over time - I would heartily recommend using them in this application (or wherever a pot would be appropriate).

Link: http://www.usdigital.com/products/en...ary/shaft/ma3/
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