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-   -   Head adjustment? (https://www.rcuniverse.com/forum/t-rex-heli-435/7684984-head-adjustment.html)

Andir 07-02-2008 06:22 AM

Head adjustment?
 
I have a real quick question as it's kept my bird on the ground for fear of loss of control and the fact that I did lose control. I spent an extreme amount of time IMO aligning the head and making sure all the bars were level, pitches were right and all that fun stuff. I measured form the top of the frame to each of the centers of the screws even! I watched the Finless vids and whatnot, but I still have an issue where the bird wants to lean right on takeoff. I got brave one day and took it off the ground (previously I was compensating for the lean by giving it left stick). Upon takeoff and hovering I still found myself sticking left to keep it from rolling over. Eventually the Heli went far right and I dropped it so I didn't kill someone. Bent the main shaft and the blades slammed into the tail boom bending it quite efficiently after flopping around for a few turns.

Could this be that my head still isn't lined up right? I even tried to adjust my DX7's trim to the left a few notches but it still didn't work. I'm pretty sure I'm not right heavy as everything is centered as much as I could (less wires).

What can I check?

Skarn 07-02-2008 08:13 AM

RE: Head adjustment?
 
It does sound like somethings not level in the swash/head. But keep in mind, a heli's natural tendency is to lean on takeoff....you don't want to use trim to counter that however.

Could you post picutures of your heli? In particular the head and swash?

Skarn

Andir 07-02-2008 11:22 AM

RE: Head adjustment?
 
It's currently in pieces :eek:. When I get my spare parts and get it all assembled again I'll do another test run and see if it still does it then post pictures. I figured I'd find if there was anything I could do before I put her all back together. I'm assuming I'll have to align it all again with the new mainshaft, so maybe that will correct it.


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