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brainstorming: homebuilt aerobatic design



 
 
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  #1  
Old August 25th 05, 03:57 PM
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Default brainstorming: homebuilt aerobatic design

Hi guys,

I am thinking a homebuilt aerobatic plane and am asking for your
opinion on my idea:

The fuselage is of course 4130 steel tubes welded frame.
The point is the wing: I am thinking about using exact the same
Long-EZ's wings technique, i.e. solid form core+fiber glass cover. Why?
Because I think 1)It's much easier and faster to build than other
materials, no expensive mold, no metal forming, no thousands rivets, no
wood cut and making rib afer rib after rib after rib. 2)The Long-EZ
wing is strong. I read Burt Rutan tested the wing structure to 14G and
heard some builders tested the wing to 10G themselves, no failures. The
wings of Cory Bird's Symmetry are made in Long-EZ way and it's +-10G
strong.

So what you think? Is it a good idea to make an aerobatic airplane's
wings in Long-EZ way?

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  #2  
Old August 26th 05, 11:39 PM
Byron Covey
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Default

Heavy.


wrote in message
oups.com...
Hi guys,

I am thinking a homebuilt aerobatic plane and am asking for your
opinion on my idea:

The fuselage is of course 4130 steel tubes welded frame.
The point is the wing: I am thinking about using exact the same
Long-EZ's wings technique, i.e. solid form core+fiber glass cover. Why?
Because I think 1)It's much easier and faster to build than other
materials, no expensive mold, no metal forming, no thousands rivets, no
wood cut and making rib afer rib after rib after rib. 2)The Long-EZ
wing is strong. I read Burt Rutan tested the wing structure to 14G and
heard some builders tested the wing to 10G themselves, no failures. The
wings of Cory Bird's Symmetry are made in Long-EZ way and it's +-10G
strong.

So what you think? Is it a good idea to make an aerobatic airplane's
wings in Long-EZ way?



  #3  
Old August 30th 05, 08:27 PM
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Cory Bird's Symmetry is all composite, fuselage is molded fiberglass.
He claims his Symmetry's wings are + - 10G strong and Symmetry's empty
weight with 200hp engine is less than 1000lbs. With 4130 steel truss
fuselage this aerobatic design will be heavier, but if the empty weight
can be less than 1300lbs, it's still acceptable to me.

 




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