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06-08-2015, 12:06 AM
| #1 |
| Rock Stacker Join Date: Feb 2013 Location: Denmark
Posts: 56
|  Pinion gear size
If I have a "Turnigy Track Star 9.5T Sensored Brushless Motor 4120KV (540 size) and a 78t Spur Gear and a 2S, 2200 mha, 60C battery, how many teeth need my pinion gear so be on to achieve a top speed of about 25 mph? Or would a Turnigy Track Star SCT 5T Sensored Brushless Motor 4150KV (550 size) be better to achieve my goal? The car should not be used for anything serious, just for fun driving, but I do not want to overload my electronics. Should I choose a different motor? sincerely, dBuus |
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06-08-2015, 05:44 AM
| #2 |
| Rock Stacker Join Date: May 2015 Location: North Lakes, QLD
Posts: 79
| Re: Pinion gear size
I posted some links in this thread. what tooth pinion to start with a 10.5 motor Need approx 27t to achieve 25mph on 2s Last edited by Chicken Man; 06-08-2015 at 04:33 PM. |
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06-08-2015, 03:45 PM
| #3 |
| Quarry Creeper  Join Date: Jan 2015 Location: Switzerland
Posts: 212
| Re: Pinion gear size
with a 4600kv on 2s i liked 22t. at 3600kv a 28t is nice. I like the latter combo better - you can actually control it at full throttle on 2s, and 3s is bonkers. for your combo i`d choose a 24t pinion |
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