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08-15-2011, 11:45 PM
| #1 |
| Pebble Pounder Join Date: Nov 2010 Location: Spain
Posts: 138
|  More acceleration?
Hello. I have a SCX standard with a 27T in 3S but I need more acceleration to jump some stones (yes, I have to jump because my place has a lot of rocks!) So I thought I have to change the 27T for a 45T, for thus the loss of some speed, but I get more torque, that is more acceleration to jump from the end of the stones. Is this right? Thanks! PS: my place has a lot of rocks that I can climb with my SCX but usually these stones end up with about a vertical height of 1 or 2 feet (30-50cm) so I need to jump this little cliff to go down!! |
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08-15-2011, 11:50 PM
| #2 |
| RCC Addict Join Date: May 2010 Location: Los Altos, California
Posts: 1,509
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you could try gearing down, and get a 35T motor. this way you get torque, as well as having almost identical speeds.
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08-16-2011, 02:43 PM
| #3 |
| Pebble Pounder Join Date: May 2011 Location: san jose
Posts: 198
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Try a larger pinion for speed... Tbolt meatclaws-talkatap |
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08-16-2011, 03:09 PM
| #4 |
| I wanna be Dave Join Date: Apr 2007 Location: Arlington, Washington
Posts: 2,303
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A 27t will pretty much always blow away in a 45t in power. While RPM and Torque matter, power is power.........if you want more oomph, uses a lower turn motor and adjust your gearing. Later EddieO |
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08-16-2011, 05:01 PM
| #5 |
| RCC Addict Join Date: Nov 2006 Location: Lowell, Arkansas
Posts: 1,307
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Get a better battery. If the battery can't supply the amps the motor wants, then it will be sluggish/slow.
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08-16-2011, 10:44 PM
| #6 |
| Quarry Creeper Join Date: Jan 2007 Location: Ontario, Canada
Posts: 341
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If you are already running 3s, a 35t properly geared will do what you want. Your logic isn't flawed, if you switched to a 45t the acceleration would be better, but the speed would be lacking and you would not get any airtime. a 35t on 3s will get you airtime and wheel spin while still having enough torque to crawl. I bet the 27t stalls a lot and never reaches full speed? You will have less or none of that with a 35t and all the speed it puts out can be used. |
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08-16-2011, 10:47 PM
| #7 |
| I wanna be Dave Join Date: Feb 2004 Location: Columbia Gorge
Posts: 5,512
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Gear down, volt up. Put the 27-turn back in, gear down and add more power. |
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Linear Mode
