Construction techniques using foam sheet on fuse & wing? - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 04-08-2006, 12:11 PM   #11
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Hey Brad, those are some NICE wings!!! It looks like the main spar on those is foam as well, is that right? Well I guess there is a tube for conencting to the fuse, what is that made out of? For as big of an airplane as I want to build there is no way that a foam spar will hold it. Are there any other methods you guys would suggest that wont cost too much? I was thinking maybe a PVC tube, but then again I dont know that it will be stiff enough to support the weight on the wing. I guess it would be stiffer once the wing was all put together. Any thoughts on that one?

As for the vibration problem with a gasser, are you referring to the joints in the fuselage or the styrofoam panels? The joints can all be reinforced. The way I had invisioned the nose is to sheet the foam with wood on the inside and have a plywood firewall. Since the foam is pretty soft I was going to run the sheeting down the inside of the fuselaege for a while just to get a larger surface for the engine to pull against. This isnt going to be an aerobatic airplane

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Old 04-08-2006, 12:12 PM   #12
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I cut out a section of the leading edge and put in a fiberglass or carbon fiber rod, as well as put a 1" wide strip of carbon fiber tip to tip on the bottom of the wing. Flying combat, and taking turns so fast and hard, you can actually see the wing bow. Have yet to fold one.
Jason Holdaway

In theory, everything works.
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Old 04-08-2006, 12:14 PM   #13
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Steve: I'd steal a page out of the SPAD guys books. Buy yerself a wooden yardstick or two at the local HD.

Mine is not to reason why; I just wire them up to fry...I mean Fly!
I don't suffer from insanity...I enjoy every minute of it!!!
I never claimed to be the sharpest knife in the chandelier......

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Old 04-08-2006, 12:20 PM   #14
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HEY there ya go! That works. On the other hand, I can probably get a small strip of wood from the hardware store about the same dimensions as a yardstick, maybe a bit bigger, for a bit less $$ - only thing is you have to watch how strait it is I guess thats where the yardstick idea might be a bit better. Ill check it out. I still have to lay out the design of the airplane.

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