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Archive for April, 2010
Posted by nick_75au | Apr 06, 2010 @ 04:34 AM | 6,124 Views
Measuring Kv of a Brushed motor

http://www.rcgroups.com/forums/showt...ushed+motor+kv

Three examples,
Motor 1
0.29 V at 2575 Calculated Kv is 8583
came out of a cordless vacuum 540- size, screams at low voltage

Motor 2
1.73 V at 2575 Calculated Kv is 1488
was in a tug I brought, just an average 550

Motor 3
5.11 at 2575 Calculated Kv is 503
a BIG motor I got for my Kingfisher supposedly 5000 rpm at 12 volt
comes out very close I reckon

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Balancing rotating objects with Smart Phone