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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsAlign 3G › Pitch arm lengths
04-21-2011 03:23 AM  7 years agoPost 1
givverawhirl

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LA USA

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can anyone please tell me the correct pitch arm lengths for the Trex600 using the shorter main shaft(hn6118t)?
Thanks in advance

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04-21-2011 03:45 PM  7 years agoPost 2
trekrider586

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Sylacauga,Al

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I think I read somewhere that the 550 links were the right size,80mm from center to center,or 10mm shorter than the ones in the 600 manual.
hopefully some one will chime in and confirm.

it's better to ask for forgiveness than for permission

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04-21-2011 04:47 PM  7 years agoPost 3
jsenicka

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Eagle River, WI

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not to be too smart azz.
But the correct length is what is needed to make 0 degrees on main blades when your linkages are all square and swash level. The elevator A-Frame on the NSP sort of sets the height of the swash, so the rest is a matter of getting blades to 0.

Jim Senicka
Team Manager, GrandRC Flight Team

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04-21-2011 05:37 PM  7 years agoPost 4
trekrider586

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Sylacauga,Al

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Jim,
you are correct,that's the definition.But I think he was looking for the correct size links to use because the align links are thicker and the balls are larger.The OP wasn't very specific.
It would make sense to use the 550 3g links if that gets him in the length ballpark.I had some time and came across this thread trying to help out.
https://rc.runryder.com/t593497p3/

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04-22-2011 01:19 PM  7 years agoPost 5
givverawhirl

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LA USA

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thanks for the help guys!
I got it figured out.

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