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 People are human, refs are human. The refs did the best they could do at the time. - Andy Baker [more] |
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| People are human, refs are human. The refs did the best they could do at the time. - Andy Baker [more] |
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#1
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Option 1 (current)
Drill Motor, low gear, 1:2 ratio, 8" wheels Calculated Speed: 5.23 ft/sec Measured Speed: n/a Option 2 (backup) Drill Motor, low gear, 1:3 ratio, 8" wheels Calculated Speed: 3.49 ft/sec Measured Speed: n/a Initial ratio - Failed- Too much motor stress, tripped 30A breakers Drill Motor, HIGH Gear, 1:3 ratio, 8" wheels Calculated Speed: 11.63 ft/sec Measured Speed: n/a See and feel free to use attached XLS file for calculations. http://wihs.zapto.org/first/wheel_speed.xls BTW: The CURRENT drive system, can push a 190 pound adult. ;^] Last edited by MrB : 03-02-2002 at 16:55. 
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