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Old 10-08-2011, 06:28 PM   #1
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Default tc3 pinon gear

ok i have a tc3 got it as a roller ...put a small 3500 kv motor in it a 2s lipo 45c disgrage power pack...what i need to know iswhat is a good start pinon gear to start with .. i have heard that 30,000 rpms is the sweet spot ..... i dont know where to start in gearing ..im running a 22p 72 spur ...if anybody could help please never ran touring cars before

Last edited by rcoutlaws; 10-08-2011 at 07:46 PM. Reason: spelling
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Old 10-08-2011, 08:42 PM   #2
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A 3500KV motor is about equivilent to a 13.5. If you are not running any type of boost or turbo speed controller (sounds like what you have is sensorless and not capable of boost), then a final drive ratio of around 6-6.2:1 should be about right. As always, run for a few minutes and check temps to be sure. If you can hold your finger on it for 2 seconds you are probably okay. A 29/72 will give you a 6.21:1 FDR. A 30/72 will give you 6:1 FDR.
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Old 10-08-2011, 09:38 PM   #3
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Depending on track size, most racers start at 4.0fdr to 5.0fdr .
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Old 10-09-2011, 08:22 AM   #4
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Default tc3 pinon gear

im not running any boost nonsenored setup so with the 22p 72 s im running about 8.2 final gear ....way too low ??????

Last edited by rcoutlaws; 10-09-2011 at 08:36 AM. Reason: add more text
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