This section has you dry fit the speed brake and sand any interferences, which we’ve already done. Just my 2 cents, by the way, but these “creepers” are the cat’s meow for this kind of work (we have done all of the work thus far with the bird on its on legs…). Anyway, then you’re […]
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Next the cutout areas were sanding down to the inner skin, and 5 plies of triaxial cloth were prepared to reinforce these points. Once these layups were wetted out and applied to the cut-outs, and microglass radius was made in the corners, and layer of BID was applied to overlap the cutout by about an […]
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Next the speed brake was reinforced to accept it’s hinges and actuator. To do this we measured over from the centerline 7″ in each direction, and centered a 3×3 hinge in these locations, cutting down to the outer skin and removing the foam and inner skin. We did the same for the actuator with a […]
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However, it is a lesson in what not to do. Of course everyone has heard the sage advice to buy a copy of “Acceptable Methods” (AC 43.13-1B), and I had even bought my copy. However, I had not read my copy when we attended Head Start. Of particular note is the section on Bolts. Lots […]
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The majority of the speed brake work was done during our visit to the factory’s Head Start program. After taking inventory of our parts and getting the doors and keel off of the airplane, we cut the indicated door out of the bottom center of the fuselage. As with all cut outs of this type, […]
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