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Old 27th June 2008, 17:03   #7 (permalink)
Jetstream Rider
 
Join Date: Oct 2002
Location: Heathrow
Posts: 289
It is definitely magic.

Sucking the wing panels off is not a problem. The actual force per unit area is not all that much as the wing surface is large. In Mechanics of Flight by Kermode, it says that a typical "suck" required is less than a baby sucking a nipple. Now I've never had my nipples sucked by a baby, but I'm sure it wouldn't take the panels off a jumbo.

According to the Boeing website

Jumbo wing area = 524.9 m^2
Max weight for ER version 412,775Kg = 4,045,195N

Therefore average pressure = 7700 N/m^2 = 0.77N/cm^2

So thats like a load of 1 apple per postage stamp. Hardly going to break the wing. (I realise that calculation is a bit simplistic).

Last edited by Jetstream Rider : 27th June 2008 at 18:13.
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