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08-11-2009, 12:08 AM
| #1 |
| Newbie Join Date: Mar 2004
Posts: 4
|  What Motor or Gearing with R2D Tranny
I have just installed a R2D Dig tranny, works great but I need more tire speed when needed. I have a 55 Turn motor, do I need to changed this?
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08-11-2009, 02:11 AM
| #2 |
| Pebble Pounder  Join Date: May 2009 Location: Capitan N.M.
Posts: 100
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My opinion would be to keep your setup and just change the gears out(pinion&spur gears.). Again thats my two cents.
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08-11-2009, 06:42 AM
| #3 | |
| Newbie Join Date: Mar 2004
Posts: 4
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08-11-2009, 07:15 AM
| #4 |
| Quarry Creeper Join Date: Feb 2008 Location: Citrus Heights
Posts: 207
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I think the r2d comes with a 8 tooth pinion. the tooth pitch is 32. I have a 65 turn and a 15 or 16 tooth pinion and it is about the same as a stock set up.... a little on the slow side, but not bad.
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08-11-2009, 07:44 AM
| #5 |
| Rock Crawler  Join Date: Sep 2006 Location: Lititz
Posts: 787
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How many volts are you running? More volts = more wheel speed. You could also change to a higher pinion, but you will lose torque. |
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08-11-2009, 08:04 AM
| #6 | |
| On the lookout for Rocks  Join Date: Mar 2006 Location: Monroe, Louisiana
Posts: 3,711
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I ran a 55T Integy motor with a 12T pinion on a 3Cell Lipo and it had descent wheel speed and plenty of torque. | |
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08-11-2009, 08:45 AM
| #7 | |
| Newbie Join Date: Mar 2004
Posts: 4
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08-11-2009, 10:01 AM
| #8 |
| I wanna be Dave Join Date: Feb 2009 Location: 20 miles southeeast of downtown Sacramento
Posts: 2,373
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I put a 16t on my r2d/55 on 3s. The r2 is geared really low compared to the axial. It does much better with a lower turn motor. It was super fast with a 500 puller and stock pinion (before it blew up) but with a 55t it is really slow.
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08-11-2009, 11:56 AM
| #9 |
| I wanna be Dave Join Date: Aug 2008 Location: Deep in Swing Town
Posts: 3,011
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55T motor with 13 or 14 tooth pinion on 3cell should work just fine... lots of tork and good wheel speed... ran that combo for awhile.... |
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08-11-2009, 12:58 PM
| #10 | |
| Newbie Join Date: Mar 2004
Posts: 4
| Quote:
Thanks, I will try this first.. | |
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08-13-2009, 09:49 AM
| #11 |
| SORRCA Committee Member   Join Date: Dec 2008 Location: Parkston, SD
Posts: 4,523
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I run a 45T, 12 tooth pinion, 3cell 1320 and Rovers on 1" wide Comp Heavies. Has good wheel speed and plenty of low end. Was thinking of trying a 13t pinion or a 35T hand wound just for sh**s and giggles. The R2 will take just about anything that you throw at as long as you keep it lubed. I lube mine after every comp.  |
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08-13-2009, 09:50 AM
| #12 |
| Rock Crawler Join Date: Feb 2007 Location: Lorain
Posts: 598
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I've got a 55t in my scaler, 13 or 14t pinion (don't remember) and a 3s, 2200mah 25c lipo. Pretty good setup IMO.
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