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Ron's Web Site
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Date: 7-5-2010
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Number of Hours: 5.50
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Manual Reference:
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Brief Description: Inboard Strut Fairing 1
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After trimming the gear-fuselage fairing, I started on the Bob Barrows wing root fairings. Unlike the gear fairing, the wing root fairing doesn't change it's relationship with the fuselage with gear loading, but does change its position relative to the gear fairing as the landing gear takes weight. I first trimmed the upper surface, using an edge marker block:
http://www.averytools.com/pc-277-50-edge-marker-block.aspx
After that, I trimmed the lower surface so that with the gear maximally spread (2.5 inches strut extension) I achieved adequate clearance. That worked out ok on both fairings. Unfortunately, the outboard portion of the fairings fit miserably (see Image 2). This is a problem, as there is no direct connection of the fairing to the fuselage, and with all the play outboard, it's unlikely the fairing will remain seated during flight ops. Accordingly, I feather-edged the outboard fairing and scuffed the outer 3/4 inch as well as pulled the trailing edge aft, and hot glued it with the fairing being pulled aft. This had the effect of tightening the outboard edge. I then epoxied two layers of fiberglass, extending the fairing about 1 inch and providing a more secure outboard portion.
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Initial fit, front view.
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After trimming inboard, lousy fit outboard.
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Outboard fairing glassed in.
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