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Apr 03, 2002, 04:26 AM
Registered User
Devine's Avatar

Searching for foam Flying wing


Hello there,

I want to build a flying wing for thermal flights. Wingspan about 2,5 - 3 meters. Has to be a foam wing. Also electric powered.
Someone knows a free plan on the web?

Thanx
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Apr 03, 2002, 04:37 AM
Registered User

That's big for a foamie


Hi
Just a quick question.... at 2.5 - 3 metres that's gonna be pretty big for a foamie... will you beef it up with carbon rods as spars (recommended as foam this big will be very flexible)? Why does it has to be a foamie??? Built up would be better at this size or veneer over foam would be better (though heavier, it will penetrate better and will fly better as well).
Also do a web search on flying wings and you'll get plenty of good infomation. I had tons when I was making a wing but I trashed it about a week ago (the bookmarks).
As well check out RCsoaring.com and go to the discussion area.

Later
G
Apr 03, 2002, 05:58 AM
Registered User
Michael Heer's Avatar
A giant flying wing was made by taking the Zagi type wing and expanding the size. I know that a number of 8 foot wings were made and have been flown at Los Banos. I also have seen one super size one (16 feet) on what was called it's last flight. It came in four sections and used two receivers and a number of servos to control the elevons. I don't think they made any plans. They just expanded the Zagi template and cut large blocks of foam accordingly. They had to make three templates. One for the center cuts, one for the two middle cuts and one for the end cuts. Hopefully someone with more information will respond. I know the 8 footers I saw had no spar and no sheeting but they had a lot of tape. I have a 4 foot double thick that weighes almost three pounds. It is the maximum size per some combat rules. Very stabile and Zagis bounce off.
Apr 03, 2002, 06:09 AM
Registered User
Devine's Avatar
Thanx

I want to cover it with 1mm balsa and use some carbon rods. I want to make it out of foam because all the wingprofiles have a S shape and I think it is easy to make it out of foam instead of wood.
Apr 03, 2002, 05:30 PM
Registered User
There is a review on ezone where someone put electric power on a Mongo jr wing, I think it was about 2m span. They make bigger ones also. ----Mike
Apr 03, 2002, 09:01 PM
Registered User
emoone's Avatar
If you check the Foamies forum there's a a model called the Zagnutz that a guy developed originally for gliding and later modified for electric. He has a real detailed website on the construction ( its built from fan fold but could modified I'm sure ). Might be a good place to start. I chatted with a guy last night who had built a 66" version of it and loved it.
Apr 05, 2002, 01:17 PM
Making Cuisinarts Fly!!!!
Go here:

http://www.flyingfoam.com/products.html

Look at their mothership. I have been eying it for a while. If you call them they will work with you to make it to your specs.

For a pure thermal ship I would get it made of all 1# EPS. I think you could get the wing loading to be under 5 oz/sq.ft.
Apr 05, 2002, 01:19 PM
[intentionally blank]
fprintf's Avatar

Zagnutz


I built a Zagnutz foam wing and it builds very quickly. I have *no* idea how it flies, however since I am still waiting (thanks for the delay ServoCity) for my radio gear to arrive.

Supposedly it will fly pretty well, although it seems a little heavy for the approx. 48" wingspan.
Apr 08, 2002, 09:50 PM
Registered User
Mega Manta is a decent thermaler. 72" wing span.

Try www.proseth.com.

Also Doug just cut cores for a 8' fllying wing glider.

garyg
Apr 08, 2002, 10:24 PM
Registered User
Andy W's Avatar
Jeff Meyers reviewed the Mega Manta here.. it could be lightened up with smaller cells and motor, and be a great thermal ship..
..a