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Large profile fus fabrication

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Old 12-16-2013, 06:29 AM
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dirtybird
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Default Large profile fus fabrication

I have a couple of wings I built for a Bud Nosen Gere sport that I lost interest in.
I would like to make profile fuselage.for one.
How are they made? Is it two lite plys sandwiched with a foam board between them?
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Old 12-16-2013, 07:22 AM
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Just about anything will work, solid balsa, balsa sheeted with thin plywood, foam with ply skin or ???. Use whatever you have on hand. If glow powered, make sure the front end is substantial and can take the pounding of the internal combustion engine and resulting vibration. If using foam, you may need extra woodwork up front for the glow powered stuff. If electric powered, you can built a little skimpier up front.
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Old 12-16-2013, 08:09 AM
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+1, Just keep it as light as possible.

Bob
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Old 12-18-2013, 11:35 AM
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Two lite ply layers with foam is the heaviest possible way to make it.

If you look at some of the pictures floating around you'll see that a lot of the profile fuselages leave the framing exposed from the mid point of the wing and rearwards and just cover with film. As long as the profile is thick enough this works like a charm. And it's light as well.
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Old 12-19-2013, 12:56 PM
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Dirtybird,

Have a look at a plane called the Mojo (http://www.swanyshouse.com/index.aspx). The fuse is built around a carbon fibre rod which runs approximately down the thrust line and through the wing root.

Joel
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