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250 Class Electric Helicopters 250 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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01-07-2015, 09:39 AM | #1 (permalink) |
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Join Date: Dec 2014
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Main Gear Lower Section (Second gear?)
I have a question and this may be silly, but what is the lower gear on the Main gear assembly used for? Looks like maybe you could run the belt from it? See Pic.
Heli = CopterX 250 Kit |
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01-07-2015, 10:30 AM | #2 (permalink) |
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Join Date: Jun 2009
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That’s not for belt. On a bigger size heli that gear would be for auto-rotation.
Not sure what that gear is for on yours as I have 250 Pro DFC, which does not have auto-rotation gear.
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T-Rex 550E V2 Spartan VX1n, T-Rex 250 PRO DFC Spartan VX1n, Blade 130X. Futaba T8FG Super |
01-07-2015, 04:51 PM | #3 (permalink) |
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Join Date: Jan 2014
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That small gear that is made into your main gear in the pic was for brain storming on why its there. Once you understand its use your are to install options parts that drive off it. Like an ESC fan.................
But most just use it as a THINGIE-ME-BOB
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01-07-2015, 06:31 PM | #4 (permalink) |
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Join Date: Sep 2013
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Looks like someone had the idea of using it as an integrated 'A' gear for a tail transmission but not on the 250. My v120 has a functional integrated 'A' gear. Who knows. The Align gear doesn't have it, just CopterX and HK250. It is a mystery.
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01-08-2015, 08:19 AM | #5 (permalink) |
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I actually wondered the same thing for several years... I finally was curious enough to ask, so I wrote the folks at HobbyKing... here was their response... pretty interesting, and quite shocking... I would have never guessed in a million years!
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Walkera 4#3B, 4G6 Align 250SE, Gaui 200 Tarot 450PRO Align 550L Dominator |
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