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More things to think about...
Posted by Joe Johnson at 1/13/2001 10:01 PM EST
Engineer on team #47, Chief Delphi, from Pontiac Central High School and Delphi Automotive Systems. In Reply to: Re: Four motors at the same speed? Posted by Dodd Stacy on 1/13/2001 4:16 PM EST: As usual, Dodd hits the target dead on. I have one or two things to add though. There are other options besides gearing the motors so that they match free speeds. You can gear them to match stall torque for example. Your could gear them somewhere in between these two extremes -- for example, you could choose to gear them to match speeds when they are loaded at the level required to break the tires free. In every case though, you are only matching the performance at one torque - speed point. At every other point there will be a mismatch of some level. Is this mismatch a disaster? I don't think so. Our machine in Double Trouble used matching free speeds an our robot worked just fine. Joe J. |
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