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1Y 2D Winding?

Old 11-24-2013, 11:14 AM
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Leo RC
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Default 1Y 2D Winding?

Im new to RC (1 year) and wanted to get a brushless system.

In a combo it said the motor has a 1Y winding.
Another said the motor has a 2D winding.

Could someone explain?

Thanks,
Leo
Old 11-24-2013, 11:22 AM
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R32GolfTA06
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I haven't a clue what that means So apologies
Old 11-24-2013, 11:29 AM
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Leo RC
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Originally Posted by R32GolfTA06 View Post
I haven't a clue what that means So apologies
Thanks anyway
Old 11-25-2013, 10:21 AM
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savagecommander
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the number refers to the amout of turns, the letter refers to the termination, delta or wye. so the "1Y" has one turn, terminated wye.
Old 11-25-2013, 10:28 AM
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Leo RC
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so this http://www.hobbyking.com/hobbyking/s...520KV_80A.html has a two turn motor? cause someone said in a comment this set has about 11.5 turn
Old 11-25-2013, 10:28 AM
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Leo RC
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Originally Posted by savagecommander View Post
the number refers to the amout of turns, the letter refers to the termination, delta or wye. so the "1Y" has one turn, terminated wye.
thanks
Old 11-25-2013, 05:02 PM
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savagecommander
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Turns and kv are not constant. One motor may have 13 turns, one motor may have 2, and they will both have the same KV.
Old 11-26-2013, 08:57 AM
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Foxy
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Y and D (Wye (or star) and Delta) are winding configurations. The easy way to remember it is the phrase 'Wye so slow?', because Y windings (typically found in RC motors) are slower than Delta windings but make more startup torque. Delta has less torquey startup and will usually be faster, turn for turn. Delta also draws slightly more current.

Wiki DC electric motor for some additional reading.

Last edited by Foxy; 11-26-2013 at 11:03 AM.
Old 11-26-2013, 09:53 AM
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Leo RC
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thanks to all!!!

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