Thread: Discussion 3DHS 62" Osiris Pattern Plane
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Old Oct 12, 2012, 12:23 PM
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Quote:
Originally Posted by PatternFlyer View Post
it is not a modification, it is a correction.

Not just myself. there have been more than a few guys with 62" Osiris ending up with up trim after building the plane following the manual.
Back in the earlier days of this thread (April '11) I noted that my first Osiris needed massive up trim and more than one thought I must be doing something wrong and one person thought that the factory could not have made a mistake and it was something I was doing. But the incidence on that plane was WAY off (see post 1816, p. 122). I didn't have an incidence meter at the time. On Osiris #2, the incidence appears to be +0.05. The flying results, however, are such that the model still needs up trim and flies "tail low". Happy at last to see my version of events validated.... CG @ 7" and AUW 7.0 lb.
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Last edited by HouseOf4Doors; Oct 12, 2012 at 12:25 PM. Reason: added link
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