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Re: How slow is too slow?
Ideally, you want something that can go 10+ f/s in high, and something like 4-5 f/s in low. The only example I can think of at the moment is my first year, 2002. My team, 810, designed a wheel/tread system (all credit goes to M. Krass for that), which was, if I remember correctly, 11 f/s in high, and 4 fs/ in low. In high, we could consistently be the first team to the goals, and in low, we could push almost any other team we were up against. Even more important, being rookies, we hadn't quite designed a hook that fit (weight requirements), so the extra speed was crucial in getting around the goals to push. I'd go as far as to say we could've even beaten 71 with that robot, but unfortunately, I never got the chance to go up against them, and that robot has since been destroyed (I wasn't exactly thrilled when I saw that).
However, 2004 my team had another problem. We had a single speed transmission, but the sprocket ratio on the wheels was off, so we had speed, but no power. We then were unable to turn. I'm not an ME, so I'm not sure if this is related to transmissions at all, but remember that you will need a good amount of power to turn any robot, because the carpet is a very sticky surface, so don't make your transmissions based on speed alone.
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