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#1
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High wings and structural strength
When I look at pictures of high-wing aircraft, I don't see anything
between the wings that would provide structural strength--in some aircraft there's even a window in the top of the cockpit between the wings. What provides rigidity and structural strength in high-wing aircraft? I somehow expect a sturdy metal beam across the wings on top to withstand the stresses put upon them, but instead they seem to be glued onto the skin of the fuselage on either side. How do such planes hold together? -- Transpose mxsmanic and gmail to reach me by e-mail. |
#2
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High wings and structural strength
"Mxsmanic" wrote in message news When I look at pictures of high-wing aircraft, I don't see anything between the wings that would provide structural strength--in some aircraft there's even a window in the top of the cockpit between the wings. What provides rigidity and structural strength in high-wing aircraft? I somehow expect a sturdy metal beam across the wings on top to withstand the stresses put upon them, but instead they seem to be glued onto the skin of the fuselage on either side. How do such planes hold together? Come on Anthony your mister research. Look it up. |
#3
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High wings and structural strength
On 2006-11-22, Mxsmanic wrote:
When I look at pictures of high-wing aircraft, I don't see anything between the wings that would provide structural strength--in some aircraft there's even a window in the top of the cockpit between the wings. What provides rigidity and structural strength in high-wing aircraft? I somehow expect a sturdy metal beam across the wings on top to withstand the stresses put upon them, but instead they seem to be glued onto the skin of the fuselage on either side. How do such planes hold together? Funnily enough, a sturdy metal beam across the fuselage (usually two - one at the front, where the main spar attaches, and one at the rear). Windows can still be put in the roof. For a light aircraft 'sturdy' doesn't mean 'massive'. -- Yes, the Reply-To email address is valid. Oolite-Linux: an Elite tribute: http://oolite-linux.berlios.de |
#4
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High wings and structural strength
Dylan Smith writes:
Funnily enough, a sturdy metal beam across the fuselage (usually two - one at the front, where the main spar attaches, and one at the rear). Windows can still be put in the roof. For a light aircraft 'sturdy' doesn't mean 'massive'. It sure is hard to see anything in photos. Are high-wing designs stronger, weaker, or about the same as low-wing designs? Do they have cost or safety advantages/disadvantages? -- Transpose mxsmanic and gmail to reach me by e-mail. |
#5
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High wings and structural strength
Mxsmanic wrote: Dylan Smith writes: Funnily enough, a sturdy metal beam across the fuselage (usually two - one at the front, where the main spar attaches, and one at the rear). Windows can still be put in the roof. For a light aircraft 'sturdy' doesn't mean 'massive'. It sure is hard to see anything in photos. Are high-wing designs stronger, weaker, or about the same as low-wing designs? Do they have cost or safety advantages/disadvantages? *** On a strut-braced high wing airplane, the wing, the strut, and the fuselage form a triangle, which is inherently a strong shape. With a low-wing airplane, the same loads have to be borne by a spar inside the wing. The lift is trying to bend the spar. Another advantage of high-wing airplanes is that they require less dihedral, because the fuselage center of gravity is below the wing. OTOH, the struts are draggy. Don't know if they're more or less draggy than the thick wing root that you have to have without them. - Jerry Kaidor |
#7
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High wings and structural strength
Bolts to the spar carry through structure
BT "Mxsmanic" wrote in message news When I look at pictures of high-wing aircraft, I don't see anything between the wings that would provide structural strength--in some aircraft there's even a window in the top of the cockpit between the wings. What provides rigidity and structural strength in high-wing aircraft? I somehow expect a sturdy metal beam across the wings on top to withstand the stresses put upon them, but instead they seem to be glued onto the skin of the fuselage on either side. How do such planes hold together? -- Transpose mxsmanic and gmail to reach me by e-mail. |
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