Once the control assembly was installed we permanently installed the keel with structural adhesive and rivets. The manual recommends also installing the speed brake mounting channel to the keel prior to permanently affixing it, and I would recommend this in hindsight, but this is the way Frank recommended it during Head Start. Also installed in the keel is […]
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Once the keel is installed, you need to do series of stiffening lay-ups with Tri-axial cloth. There are four inside the keel, one runs along the floor and up onto the canard bulkhead (3 plies of 5″x18″, running 10″ onto the bulkhead), one left to right (2 plies of 10″x13″ with the 10″ side running […]
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Here you can see where we’ve cut out the control stick access holes. Control Stick Access Holes Keel Control Supports Keel Markings Keel Plan Keel Access For formatting only Lorem ipsum dolor sit amet, consectetur adipisci elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis […]
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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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In this section we mounted the front aileron control torque tube support bracket on the inside of the keel, centered in the whale tail, but down about 5/8″ (this measurement isn’t really that critical for Fixed Gear aircraft). We also mounted the Roll Trim motor through the whale tail, and the control bracket to the […]
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