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#1
12-07-2010
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1800Kv motor, 4s Li-po, what pinion?
What pinion would I need with a 1800KV motor on 4s to give standard 21 nitro speeds?
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#2
12-07-2010
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What car?
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#3
12-07-2010
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what car ? what size spur, what esc you using etc if its a nitro conversion its need to be a mod1 pinion gear . you will have to buy some and test the gearing out . temp of the motor and esc . is it a good motor or a cheap motor lol . as cheap motor dont last long
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#4
12-07-2010
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Its a cheap motor and ESC! lol. I know its Mod 1 gearing and I know you multiply the Kv with the battery voltage to get the motor rpm, so basically if the motor spins upto say 30,000rpm (roughly the same as a nitro engine) then I use the same size pinion (13T)?
I can make a heat sink for the motor if I have to.
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#5
12-07-2010
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Size and speed, we need spur gear size aswell,but yes try 13
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#6
12-07-2010
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13t maybe if you were running 5 cell but that will be undergeared for a 4 cell pack, id go more up to a 15/16t
On an RC8 with 2650kv motor i was running a 14t for 10 min finals.
__________________
{CML Distribution} {Penguin Bodyshells} 
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