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BVR Kits Fizza

Wing Construction
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1. Locate and assemble panels 1 and 2 using medium cyano remembering to fit ply spar and spacer strips; the mating surfaces may need to be cleaned up with a sanding block to ensure a good joint. Add the tips part 3 using 5-minute epoxy (after checking the mating surfaces and levelling with a sanding block if necessary) noting that the front protrudes by 3mm (IMPORTANT!)

Click here for WHIZZZA! Build Sequence differences.

 

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3. Draw a profiling extent line 45mm behind, and parallel to, the front edge of wing panel 1 as shown here with cross-hatch marks. These dictate the area where material needs to be removed from.

 

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5. Trim ailerons 4 in equal amounts so when fitted they will have a 55mm gap between them at the root. They will be hinged after covering using your preferred hinge method. The shape of the aileron stock provides the trailing edge taper, on a flat surface sand out any mismatch between the ailerons and wing panel 2 if necessary.

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7. Finally, sand the rear portion of the tips 3 to match the taper of the ailerons. This completes the wing build sequence.

   

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2. Glue the 3mm hardwood dowel from the protruding part of the wingtip to the root on a flat surface such as your modelling board so that the bottom edges of wing panel 1 and the dowel rest on the board. Trim them (in equal amounts) so there is a 2-inch (51mm) gap between the dowels at the roots to clear the front fuselage decking later.

Click here for WHIZZZA! Build Sequence differences.

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4. Using first a razor plane then reducing grades of abrasive paper and a sanding block, profile the leading edge of the wing down to the level of the dowel, avoiding going too far and inadvertently putting a “flat” on the upper surface of the dowel. Sand the tip-to-dowel union to give a smooth and continuous curvature as shown.

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6. Make up the torque rods using the piano wire and outer tube supplied and carefully glue the outer tubes to the rear of wing panel 2 as required. Then drill the ailerons to firmly slide over the torque rods and test for smooth operation.

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Now move onto the fuselage construction