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Old 10-12-2010, 10:41 AM
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Basstronics
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Default RE: HK Small Bolt Hydro same as HOTR
Ive been told these need about 38,000 RPM at the prop.

So depends on what battery you are running.

4S you want 2500-2600 kV area.

3S you want 3500-3600 kV area.

I got a 3500 1240 BUT it has to small of a shaft... 2mm not the 2.13mm our current motors has...
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