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Pietenpol-List: Replacing A65 with C85
Posted: Sun Nov 27, 2005 9:34 pm
by matronics
Original Posted By: Mark
Re: Pietenpol-List: Replacing A65 with C85
Posted: Mon Nov 28, 2005 7:04 am
by matronics
Original Posted By: Michael D Cuy
Pietenpol-List: Replacing A65 with C85
Posted: Mon Nov 28, 2005 7:18 am
by matronics
Original Posted By: Doc Mosher
Jeff writes-Also, the new engine, which has starter and generator, will weigh>at least 50 lbs more. This will change weight and balance, of course.>Some people say that the wing can be moved fore or aft to compensate>for W&B changes. Others say that this is not really true since such>movement would alter the relationship of center of lift to landing>gear. What is the list's wisdom on this?Doc Mosher wrote an excellent post on this topic a while back, worth studying just to understand the problems. It does not address the geometry issue, which has also been discussed and there is clearly a good range of angles that the axle centerline should fall relative to the wing and CG geometry for acceptable handling. But here's Doc's post again, as general information.===========================