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Aileron Balance

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BobbyPaulk(at)comcast.net
Guest

Posted: Thu Jan 07, 2010 8:10 am Post subject: Aileron Balance

List



You guys are probably aware of this but I gotta warn everybody I can. The ribs that are added for the Aileron balance tubes are canted about an inch out of square with the hinge line. SO when i carefully lined up the second rib to the outside one with the square tubing perfectly lined up ( 97 deg. ) and drilled it on the drill press i thought i was doing good. 

WRONG! When the ribs were attached to the leading edge of the aileron and the tail of the rib pulled around to line up with the rest it skewed the holes off by half a bolt diameter or more. DUH!! 

Anyway I think I can salvage it by rotating the tube 90 degrees and start over. The holes in the square tube ( Inside ) must be either drilled in place or carefully marked and drilled on the bench AFTER being clecoed in place. 

Hope somebody learns from this UH-OH !



Bobby

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 [quote][b]

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Martin Pohl

Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland

Posted: Fri Jan 08, 2010 5:05 am Post subject: Re: Aileron Balance

The description provided by UK LAA might also help:

http://www.lightaircraftassociation.co.uk/engineering/Zenair%20Docs/Zenai%20CH%20601%20XL%20-%20MPD%20release%20Modification%20Instructions%20-%20fourth.pdf



See pages 4 - 5.



Rgds Martin

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_________________
Martin Pohl
Zodiac XL QBK
8645 Jona, Switzerland
http://www.pohltec.ch/ZodiacXL/Main.html

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