SNB-P13: Cowling
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Cowl Fitment – Part 5
Continued to trim upper cowl to reach alignment with lower cowl. Removed lower cowl to clearance prop opening a little more. Used the bandfile belt sander for the last few passes which resulted in a slightly cleaner edge on the backside of the upper cowl. Once fit was close, reinstalled prop alignment hub and secured…
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Cowl Fitment – Part 4
Began fitting upper cowl by placing onto lower cowl and notating baffling interference. Trimmed front of baffles by about half an inch and rechecked clearances. Made the determination that tucking upper cowl under the windshield skirt will likely make removing the upper cowl difficult with prop in place. Began process of making a shelf for…
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Cowl Fitment – Part 3
Aligned the cowl into its final place then pilot drilled side hinges to cowl. Initially only pilot drilled a few holes due to space constraints. Pilot drilled a few holes in the bottom cowl hinge half by using flashlight method to locate holes through the fiberglass. Removed cowl and hinges from the airframe then finished…
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Cowl Fitment – Part 2
Decided to solve oil cooler clearance issue by moving oil cooler up by about 5/8″. Removed oil cooler bracket from bottom of engine and remade bracket from 1.5″ x 1.5″ aluminum angle stock with shorter leg. Installed new bracket on bottom of engine with Loctite 242 then reinstalled oil cooler to new bracket. Reinstalled lower…
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Cowl Fitment – Part 1
Began fitment of lower cowl by marking out locations for gear legs and fuel drain. Slid lower cowl into place and measured front face of cowl offset by approximately 1″. Trimmed back edges of cowl 1/2″ at a time while moving cutouts forward at the same time. Refit cowl and determined that proper forward alignment…
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Cowl Hinges – Part 1
Creation of -08 Hinge Half from P3 piano hinge stock. Hours Worked: 0.33