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VintageMA · 03.24.2008, 11:57 AM

I found this online:

"A motor with windings in delta configuration gives low torque at low rpm, but can give higher top rpm. Wye configuration gives high torque at low rpm, but not as high top rpm."

From this article: http://en.wikipedia.org/wiki/Brushle...electric_motor

And another one here: http://www.patentstorm.us/patents/64...scription.html

"Accordingly, in an application requiring high torque at a low speed, the motor is permanently configured in the wye configuration. Consequently, a conventional brushless motor design requires a compromise between high torque at a low speed and low torque at a high speed."

So..... my conclusion:
From the links BrianG provided and the articles above, there can be a comparison between Y and D for a given winding. But for a D and Y that come out with very close KV ratings, the difference is probably pretty negligible.

	(#5)
VintageMA RC-Monster Aluminum Offline Posts: 660 Join Date: Sep 2006 Location: CT	03.24.2008, 11:57 AM I found this online: "A motor with windings in delta configuration gives low torque at low rpm, but can give higher top rpm. Wye configuration gives high torque at low rpm, but not as high top rpm." From this article: http://en.wikipedia.org/wiki/Brushle...electric_motor And another one here: http://www.patentstorm.us/patents/64...scription.html "Accordingly, in an application requiring high torque at a low speed, the motor is permanently configured in the wye configuration. Consequently, a conventional brushless motor design requires a compromise between high torque at a low speed and low torque at a high speed." So..... my conclusion: From the links BrianG provided and the articles above, there can be a comparison between Y and D for a given winding. But for a D and Y that come out with very close KV ratings, the difference is probably pretty negligible. “Everyone has a right to be stupid; some people just abuse the privilege.”