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02-28-2006, 03:39 AM
| #1 |
| Pebble Pounder Join Date: Aug 2005 Location: Monticello
Posts: 172
|  help with gear ratio
i have tried several times to figure my final drive ratio but have not come up with the same number twice.  I have had a range from 85.2:1 to 398.7:1. would someone mind giveing me a hand?thanks 65 turn lathe motor (purple brush springs for more torque) gd600 gear reduction (stock) pinion gear=9 tooth spur gear=72 tooth axle ratio=3.30:1 |
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02-28-2006, 04:47 AM
| #2 |
| Quarry Creeper Join Date: Nov 2005 Location: Italy
Posts: 262
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What tranny are you using? You need to know the tranny ratio too to complete the calculation. If the GD600 has a common 3:1 ratio, and you pinion/spur ratio is as follows: 72/9=8, e.g. 8:1 ratio, then the final ratio would be spur ratio*GD600 ratio*tranny ratio*axle ratio At the moment is 8*3*?*3.3= find the tranny and you have the answer |
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02-28-2006, 11:03 PM
| #3 |
| Pebble Pounder Join Date: Aug 2005 Location: Monticello
Posts: 172
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transmission is 2.72. so if i figure right 8*3*2.72*3.3=215.424:1 final ratio? thanks for all the help |
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