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Old 07-20-2009, 10:14 AM   #1
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Default HPI Sprint 2 Gearing with Mamba Max

Hello,

I'm fairly new to the RC World. I recently bought a HPI Sprint 2 and installed a Mamba Max 7700. What gearing ratio(spur and pinion) do you recommend for top speed applications? I'm running 6 cell NIMH.

Thanks!

Jeff
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Old 07-24-2009, 07:51 AM   #2
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Hi Jeff.
try 78/28= 5.93
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Old 08-15-2009, 04:39 PM   #3
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Im having a similar problem where my engine overheats, what are good gear ratios to keep it kool?, i also have a sprint 2 with a mamba 7700kv
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Old 08-15-2009, 04:49 PM   #4
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I have a sprint 2 too and I am running a 3.0t mod motor, and mine over heats too. and i dont want to burn up my $250 ESC
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Old 08-15-2009, 04:53 PM   #5
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so im not alone, help anyone?
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Old 08-15-2009, 08:02 PM   #6
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we need a Sprint 2 thread!!!
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