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Beam › will these pinions work on the scorpion 2221-8?
03-30-2009 07:17 PM  9 years agoPost 1
guitar123

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alaska

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03-30-2009 07:21 PM  9 years agoPost 2
Cheech91060

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No, the -8 output shaft is 3.17mm.
Those are for 2.3mm shaft.

Frank
HBFP, Trex 450, Vibe 50

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03-30-2009 07:24 PM  9 years agoPost 3
guitar123

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can you give me a link to were i can get an 11tooth?

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03-30-2009 07:28 PM  9 years agoPost 4
Cheech91060

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03-30-2009 07:40 PM  9 years agoPost 5
guitar123

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cool, but ck this, if you look at the stat it says the shaft it 3.2
http://www.readyheli.com/HK2221_8_V..._p/hk2221-8.htm

so do i go with the one u posted or this
http://www.dynawebs.net/cgi_bin/add...tml/HORNT8.html

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03-30-2009 07:45 PM  9 years agoPost 6
Cheech91060

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I think both will work. 3.17 vs. 3.2 seems to be just a rounding thing.

I'm using the align 3.17 pinions on a -8 right now, so they definitely fit.

Frank
HBFP, Trex 450, Vibe 50

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03-30-2009 07:53 PM  9 years agoPost 7
guitar123

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alaska

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thank you, i'm very new.
maybe you could help me with this question
would there be any kind of special connectors i need to get with the 2221-8 and the scorp motor with any certain batteries?

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03-30-2009 07:58 PM  9 years agoPost 8
Cheech91060

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Sent you a PM

Frank
HBFP, Trex 450, Vibe 50

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03-30-2009 10:14 PM  9 years agoPost 9
Craig9080

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Holland, MA USA

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I know that you are looking for longer flight times by going with the smaller tooth pinion, but higher head speed affords increased stability. Just a thought.

"I hover like a Pro"

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04-08-2009 02:00 PM  9 years agoPost 10
mmc205

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PA - USA

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what kind of headspeeds do different pionions yield with the -8 motor?

***Logo 600 vbar***Henseleit TDR vbar***

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04-09-2009 12:52 AM  9 years agoPost 11
Cheech91060

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Aberdeen, MD

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Its 3595Kv. You can plug that into MrMel's headspead calc on readyheli.com, fill out the rest of the blanks and get your numbers.

Frank
HBFP, Trex 450, Vibe 50

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