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HomeRC & PowerAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Align gp780 tip on loosening wires = less prone to bad vibes, tail waggle
12-06-2012 12:37 AM  5 years agoPost 1
icanfly

rrElite Veteran

ontario

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Hi there, got an Align gp780 a few days ago and put it on my sport 450se. Finished setting it up a minute ago. Before i committed to replacing an old Futaba gy240 I took a little time to research the 780.

Upon discovering how many guys ran into sensitivity problems and tail waggles, I examined my gyro and while knowing that the gyro acts on the yaw axis, horizontal plane, it appeared to me that the four wires exiting the gyro are STIFF. All is not lost, I even turned my 780 to loom into the cf frame.

What you might know about anything that is ganged together is that it gains structural rigidity when bound by something. The four wires are bound but even a little between the colored jackets = STIFF flat together.

So what'd I doo, lemme show ya,

You see, I SPLIT THE WIRES apart with a slightly dull knife a bit then spread them apart some more to about an inch, or 3cm with my fingers. NOW, LOOSEY GOOSEY goodness they are nice and pliable on the yaw axis that I feel good, so good I did the same thing to the tail servo plug to keep it going all the way across.

Compare and you'll truly be AMAZED, nice little gyro if I don't say so miself,

one flaw, I fix, da.

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12-12-2012 03:53 AM  5 years agoPost 2
icanfly

rrElite Veteran

ontario

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so ya, removed it from the 450. It's so sensitive it was picking up the frame twisting/oscillations which were a result of a weak section of the upper frame between the tail block and Main bearing block.

In the first picture you see a small brace between the upper frames, took it out and the gyro went berzerk, tail waggle beacame out there bad. I may try it again when I have that part of the frame reinforced with a brace.

Some guys say not to mount it on the tail block, now I think I know why .

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