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 I've heard of mentors who keep talking until they are blue in the face, but this is my first time actually seeing one. - Richard Wallace [more] |
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| I've heard of mentors who keep talking until they are blue in the face, but this is my first time actually seeing one. - Richard Wallace [more] |
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#1
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Re: Belt torque loadings
You should probably be fine. Your robot will run for maybe 100 hours the whole season, and that 422 oz in torque rating is in place because that belt is designed to be run with that much torque for thousands and thousands of hours.
When doing FRC design with bouncing, vibrating, and crashing robots, it's important that you build in a safety factor for shock loads, but fatigue over thousands of hours isn't usually a problem. |
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#2
12-01-2014, 10:30
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Re: Belt torque loadings
If you still have concerns, built it, weigh it down to 150 lbs, and crash it into a (concrete) wall at full throttle from a foot or two away, repeatedly. If it doesn't fail with 100 such crashes, it'll be fine in competition.
What you are doing is causing a shock load, which quickly brings out weaknesses. You don't want to crash at high speed, but at low speed with high load (full throttle). Crashing into pool noodles is fine, don't need to bend the chassis... |
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