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HelicopterAlignT-REX 600N › Help: 3G Head Setup
04-07-2011 02:47 AM  6 years agoPost 1
rudyy

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E. Amherst, NY

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I am in the middle of putting on the 3G head onto my 600N.

A couple of questions:

1) The instruction manual said the linkage rod from the swash to the pitch arm is 89.5mm (distance from ball link hole to hole). I find that if I set it to that length, the ball links on both ends are so loose that they may come out. Does this also happen to you guys?

2) Are the two new balls supplied with the kit for the linkage rods, not for the mixing arms?

Rudy

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04-07-2011 08:16 AM  6 years agoPost 2
ch-47c

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san jose, ca

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It's been a while since I built my 600 3G FBL. I thought that the FBL blade grip arms had balls that are larger than the FB arms. Also the swashplate had 2 balls that are replaced by larger ones like the FBL blade grip arms. They provided 4 ball links that were beefier and larger as well. So you should have 4 larger links and 2 balls to replace on the swashplate that are larger and 2 blade grip arms that are larger. I think the FBL balls were half (0.5) mm larger than the FB version.

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04-10-2011 04:39 AM  6 years agoPost 3
rotormaniac

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West Virginia

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ch-47c
I am finding that out also as I try to put the Align FBL head on my 600 Nitro Pro.

So many helis so little time

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04-12-2011 03:05 AM  6 years agoPost 4
ch-47c

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san jose, ca

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Yup, 3.5mm for 3.0mm is a big difference that will make it loose. The Bert Kammerer video off his website is a good reference for initial setup too. I setup mine 3 times just to be sure I understood it. Then the first lift-off was kind of jiggy, but the second was normal after I turned my ELV and ALR gains down from 12 o'clock to 10:30.

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HelicopterAlignT-REX 600N › Help: 3G Head Setup
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