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Workshop Build-Along — Sopwith Camel Part 7 — Tail Surfaces

Leaving a soldering iron and alighting rigging alone for a while, let’s switch gears a small and mangle out a ZAP glue and build some timber tools again. The build of any indication aeroplane is formed on certain tasks that need to be finished in sequence for other tasks to take place. With a Sopwith Camel, we need to scrupulously space a fuselage top/aft turtle rug formers scrupulously between a cockpit area and a plane stabilizer. To do this, a tail feathers have to be built up. Let’s get to it.

As we might remember, we designed a Camel with my CAD program, (Ashlar Graphite9). we printed out PDFs of all a drawings and went to a internal imitation emporium and printed them all out full distance to build with. Also, given a CAD module is really accurate, we used a files and had all a timber tools laser-cut to speed adult construction. So a initial step for building a tail feathers is to lay out a skeleton and cover them with Great Planes transparent cosmetic “Plans Protector” material.

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Here’s a true Fin and Rudder sum cut from a side perspective skeleton sheet.

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Here are a Laser-cut tools used for a winding outline of a surfaces. Notice they are laid out so a balsa pellet runs lengthwise with a particular parts. Once glued together, this creates a outline really unbending and resistant to warping.

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Here we get a thought how they will go together, usually like a pack build. These tools are 3/8 in. thick and a timber comes from Trillium Balsa, (www.trilliumbalsa.com) and a peculiarity of a cuts and of a timber is initial rate.

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Here’s a true tail surfaces have been fabricated and pinned to a building board. Of march a true hang batch tools (also from Trillium Balsa,) are not laser-cut. we use TiteBond timber glue for many of my constructional glue joints as we am not in a precipitate for them to dry. It takes about an hour or so for them to setup. While this tools dries, we went on to build a plane stabilizer and elevators.

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The plane surfaces are built mostly from true balsa hang batch with usually 4 laser cut tools creation adult a tips. Here we see a heading corner pinned in place with a 1/8×3/8 in. plywood bolster frame glued into place. we use ZAP middle CA to glue a plywood to a balsa parts.

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Here we see a identical plywood core frame is glued in place reinforcing a trailing edge.

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Between a dual plywood core strips is a 1/8-inch plywood bottom plate. This reinforces a connection points to a fuselage. Four 4-40 cap-head screws and blindnuts will be used to reason a plane stabilizer in place.

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I filled in a area above a plywood bottom image with 1/4-inch balsa sheet. we used TiteBond for this.

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Here a core balsa filler pieces are glued into place. Later we will cavalcade a 4 connection holes by a balsa and plywood layers for a screws. Then with a sensory coronet tube, we will cut 1/4-inch hole holes in a balsa centered on a smaller holes. This will concede a screw heads to set flush with a tip of a plane stabilizer for a cleaner appearance.

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Here one of a laser-cut tip pieces has been glued into place between a LE and TE strips. The tips are 1/4-inch thick so 1/16 in. shims are indispensable to core them between a LE and TE.

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Here’s one of a conveyor tip pieces along with a 1/4×3/8 in. ribs in place. The trailing corner is severe cut to length and will be sanded to figure later.

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So here’s a finished tail surfaces prepared to mislay from a building board. Five mins on a belt sander will finish a pursuit by rounding all a corners and smoothing any rough glue joints.

Next we’ll use to a plane stabilizer to set a fuselage turtle rug formers in place, stay tuned.

To see a final installment, click here: http://www.modelairplanenews.com/blog/2014/06/23/workshop-build-alone-sopwith-camel-soldering-landing-gear/

 

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