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Workshop Build-Along — Sopwith Camel Part 9 — Gun Hump and Cheek Fairings

Posted: July 22nd, 2014, by AircraftWriter

After a bit of mangle to cover a Warbirds over Delaware event, we got behind in a emporium for a small some-more peculiarity Camel time. We left off with a abaft turtle rug stringers being installed. From here brazen during a tip of a fuselage, a cockpit area and a appurtenance gun “Hump” territory is all one retard and creates adult a removable induce cover. This helps severely with a entrance to a servos and fuel tank. Also, a sides of a fuselage from a cockpit brazen has to transition from a retard cranky territory to a turn one to compare a engine cowling. Here are some of a pix we took along a way.

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First step is to glue a tip and dual side formers to a front of a fuselage. When sheeted with 1/8 in. balsa. a hole of a front of a fuselage will be ideal to compare a Fiberglass Specialties’ 10 1/2 in. fiberglass radial cowl.

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Here a induce bottom is taped in place between a abaft cockpit former and a front tip former. The dual instrument row formers are also glued in place.

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I used dual formers here. they are matching solely that a front one is cut to accept a behind of a 1/4-scale Vickers appurtenance guns from Williams Bros. we used 1/4 in. balsa fill to apart a dual formers.

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Forward of a instrument row formers is a categorical gun mound former. It is reinforced with 1/4 in. hang batch that will support a balsa sheeting covering this territory of a fuselage.

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At a tangent indicate between a prosaic sides and a winding tip corners, we combined a 1/2-x1/4 in. reinforcement. This will strengthen a structure and give a gluing bottom for a sheeting. Flat sheeting is going to be used on a sides and top, while a rounder corners will be finished with thinner frame planking.

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Before sheeting a gun mound area, we private a induce public and started operative on a fuselage side impertinence fairing sections. This starts with adding 1/4-inch strips to a tip of a fuselage to act as gluing strips to support a side sheeting.

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The frame is afterwards planed and sanded to mix from a fuselage side to a bottom of a tip front former.

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Use a bottom wing’s bottom rib and position it in place with a assistance of a wing tube and hollow and an alignment dowel . Trace a rib as a beam for former and sheeting placement.

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The second side former is afterwards glued in place so it is only in front of a wing’s Leading edge.

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Glue a third side former in place afterwards cut notches in a formers for a side stringer. The finish of a stringer is cut to a finish so it can be glued to a fuselage side as shown here.

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Cut a filler retard to figure and glue it between a bottoms of a second and third formers.

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Use a razor craft to figure it so it blends into a formers and afterwards silt it smooth.

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Now supplement a bottom brazen and abaft filler strips and silt to shape. These will support a bottom corner of a side impertinence sheeting.

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So here’s a pretence my father taught me. Before gluing a initial retard of sheeting over a formers, glue these tabs in place. They will assistance beam support a second square when it is glued in place so it is really even with a initial sheet.

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Here a initial retard of sheeting has been glued in place. It’s tip corner over hangs a tip of a fuselage somewhat so it can be sanded flush with a bottom for a induce cover.

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Here a second retard of sheeting has been glued into place. Note there is no opening between a dual pieces of sheeting and really small sanding is compulsory for a well-spoken seam.

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Here a other side of a fuselage is shown with a impertinence fairing sheeting glued in place. The apportionment abaft of a balsa sheeting will be lonesome with skinny plywood panels after a fuselage has been lonesome with cloth.

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The side impertinence fairing sheeting is now complete. I’ll square a gun mound territory now that a side impertinence fairings are done. But that’s for subsequent time!

Stay tuned.

 To see a prior “Part 8″ posting in a series, click a link: http://www.modelairplanenews.com/blog/2014/06/30/workshop-build-along-sopwith-camel-part-8-tail-surface-attachment/