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Dec 14, 2004, 09:53 PM
Registered User

hummingbird v3 main rotor head yoke upgrade

can anyone tell me what the 2 rubber o rings are for that are included in the kit.

thanks, kenny
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Dec 14, 2004, 10:05 PM
The One....
genovia's Avatar
nothing special really, u can fly without it
Dec 14, 2004, 10:27 PM
Registered User
where is it located when building.
Dec 15, 2004, 05:19 AM
I've placed the o-ring between the blade and the washer. It's good for keeping the screw from loosening, but I think it adds instability overall.

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