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Fao Greta Thunberg
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If aeroplanes didn't have windows they could be 50% lighter, saving fuel and moving quicker.
BBC Radio 4 - the Unbelievable Truth
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https:/ /aviati on.stac kexchan ge.com/ questio ns/1235 9/what- is-the- weight- saving- of-wind owless- fuselag e-for-c argo-ai rcraft
https:/
American Airlines leave their planes unpainted
https:/ /viewfr omthewi ng.com/ america n-airli nes-don e-paint ing-pla nes/
https:/
If you look at the Boeing 747-8 – the final 747 variant which has freight (no windows) and passenger (windows) versions which were developed simultaneously, the “overall empty weight” is about 220 tons for the passenger version and around 197 tons for the freight version. This is a weight difference of just over 10% and I would imagine (though cannot be sure) that a large proportion of this difference would be accounted for in seating, locker space and galley equipment. It is true that the freight version has thicker (and hence heavier) wings and larger fuel tanks. It could be, of course, that the fuselage structure of both is similar in design (to avoid having to design two different versions). But I have always understood that the principle mass of reinforcement required in passenger aircraft stems from the strengthening needed to cope with cabin pressurisation (common to both the passenger and freight versions).
I would be very surprised if the structure needed to facilitate windows in a pressurised aircraft accounted for 50% of its weight.
I would be very surprised if the structure needed to facilitate windows in a pressurised aircraft accounted for 50% of its weight.
the windowless aircraft (if they go ahead) i have heard will have display screens to replace the windows with a screen showing the outside so there's not much weight advantage saved and there has been no structural failure of any aircraft due to having windows EXCEPT of course the first COMET of its type
There have been lots of controversy about aircraft windows;
http:// jdasolu tions.a ero/blo g/techn ical-cl arity-a ircraft -window s/
One unfortunate passenger was part sucked out of the plane when one broke next to her in flight!
http://
One unfortunate passenger was part sucked out of the plane when one broke next to her in flight!
//...EXCEPT of course the first COMET of its type//
And that was caused by the aircrafts' square windows producing stress failures as a result of metal fatigue arising from the movements during the pressurisation/depressurisation processes. This was the first significant manifestation of metal fatigue in aircraft design.
And that was caused by the aircrafts' square windows producing stress failures as a result of metal fatigue arising from the movements during the pressurisation/depressurisation processes. This was the first significant manifestation of metal fatigue in aircraft design.
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