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horizontal stabilizer rigging

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Guido Lepore

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Rerigged my wings, tightened some brackets that had worked loose, changed my 4-spade setup to just the two on the bottom wings. Spade shape went from square with upturned edges to flat triangular. Pictures on my web page.

Moving back to the tail, I notice that in level cruise flight the elevator is deflected down, with the trim tab taking a pretty good bite. Pitts says to set it at +2 degrees (from fuselage upper longeron level), using washers on the front tube attach point.

Any reason to change from the 2 degree to try get the elevator to fly in trail in level flight? Is the 2 degree a compromise between upright and inverted stabilizer rigging?

 

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