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700 Class Electric Helicopters 700 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 04-21-2010, 01:54 PM   #1 (permalink)
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Default How many Kv is the 700M motor?

How many Kv is the 700M motor?

any one know?

Last edited by tomcarpenter; 04-22-2010 at 03:05 PM.. Reason: typo
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Old 04-21-2010, 05:16 PM   #2 (permalink)
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According to the images on the Align website, it is 500kV.
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Old 04-21-2010, 06:12 PM   #3 (permalink)
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I think he wanted the answer in multiples of 700kv, so I guess the answer would be 5/7
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Old 04-22-2010, 07:03 AM   #4 (permalink)
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multiples, I like it. sorry for my typo in the original questions!
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Old 04-22-2010, 07:57 AM   #5 (permalink)
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Quote:
Originally Posted by jkraft View Post
I think he wanted the answer in multiples of 700kv, so I guess the answer would be 5/7
Multiples? Im not sure I understand this now. I thought the kv (say 700) was just that.
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Old 04-22-2010, 09:18 AM   #6 (permalink)
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The motor is now 510KV
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Old 04-22-2010, 01:10 PM   #7 (permalink)
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What size of radius M4x 25 or M4x 30mm?
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The motor is now 510KV
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Old 04-24-2010, 10:49 AM   #8 (permalink)
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Only 510Kv? Seems low for such a big bird.
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Old 04-24-2010, 12:28 PM   #9 (permalink)
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Quote:
Originally Posted by D Grade View Post
Only 510Kv? Seems low for such a big bird.

510/520KV is about as high as you would want in a 700E.

Most are in that range:
Neu 1915 1.5Y 450KV
Kontronik 700-45 450KV
Scorpion 4035-400 400KV
KDE (neu) 1920 520KV
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Old 04-24-2010, 06:10 PM   #10 (permalink)
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Quote:
Originally Posted by D Grade View Post
Only 510Kv? Seems low for such a big bird.
It is a 12S setup - remember.

12 x 4,2 x 510 means that the motor will be running 25700 RPM

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Old 04-25-2010, 06:56 AM   #11 (permalink)
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Makes sense now, thank you for clarifying.
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