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Forum: Brushless Motor Construction

01-03-2019, 10:24 PM

Replies: 4

Micro Dan amps

Views: 2,160

Posted By ron_van_sommeren

An excellent quote from brushless motors Kv?...

An excellent quote from
brushless motors Kv? (https://www.rcgroups.com/forums/showthread.php?2083459-brushless-motors-kv).

Forum: Brushless Motor Construction

01-03-2019, 10:20 PM

Replies: 4

Micro Dan amps

Views: 2,160

Posted By ron_van_sommeren

Current and power drawn are proportional to Kv³. ...

Current and power drawn are proportional to Kv³.
E.g. double Kv and current drawn will 2³=eight-foldhttps://static.rcgroups.net/forums/images/smilies/eek.gif.
In your case current wants to increase...

Forum: Brushless Motor Construction

01-03-2019, 10:13 PM

Replies: 4

Micro Dan amps

Views: 2,160

Posted By ron_van_sommeren

Kv is not a rating, not a figure of merit. ...

Kv is not a rating, not a figure of merit.
Achieving a higher Kv is no big deal, just a matter of lowering number of winds.
Higher rpm for given voltage is supposed to happen: rpm_noload = voltage...

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