Composite airframe

I have looked at some airframes and alsmost none of the ARF kits fits the Drone profile to me.

 

I have never thought that I would find myself in a situation to construct a custom airframe so I looked around for airframes constructed for UAV's and I found something perfect for the job it can be seen at http://www.uavfactory.com/ made completely from composite I do not know what the cost is but judging from this page http://www.troybuiltmodels.com/category/UAVF/Fixed-Wing-UAV-RPV-UAS... and the pricing of the little penguin's friends I would say that is far more than the general hobbyist can afford.

 

So I have never worked with composite but fibreglass is not so hard my question would be what would the" way to go" be to construct such a airframe one idea is to turn the actual fuselage in wood to use as a mould to construct the composite the puzzling part to me is the wing itself how is something like that constructed is the something that keeps it in that form on the inside.

 

I would aprecciate any advice from anybody who can help.

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Permalink Reply by Graydon Tranquilla on August 31, 2011 at 8:55pm

Easy to obtain the Carbon fiber fabric and the appropriate epoxy (do not use polyester resin epoxy). Easy to make flat sheets and tubes of various diameter as I have done already. Cost? CF fabric is about $75 per yard * 50 inches wide. If labour is free, the overall cost is not so bad. If you lack experience making plate or tube, do prototype work with fiberglass.... Practice makes perfect.

 

http://groups.yahoo.com/group/CompositeRockets/

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