Subject:
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Re: New entry for ISCC: "Missing in Action" - Ju 52 airplane
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Newsgroups:
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lugnet.adventurers, lugnet.general
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Date:
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Wed, 19 Dec 2001 15:31:43 GMT
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Viewed:
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3088 times
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In lugnet.adventurers, Reinhard "Ben" Beneke writes:
> In lugnet.adventurers, Fredrik Glöckner writes:
> > "Scott A" <eh105jb@mx1.pair.com> writes:
> >
> > > Every time I see it I always wonder why the fuselage and wings are
> > > covered in corrugated iron(!) - a feature you have kept in your
> > > models. The only reason I can come up with is that the designers
> > > thought it would reduce skin friction? Does anyone know?
> >
> >
> > I think it was to save materials cost and weight. The corrugated
> > shape of the metal made it more rigid. Hence, less metal was needed
> > to preserve the rigidity of the surface.
>
> That is exactely right. Corrogated sheets of metal have a much better
> weight / bending-strengthness ratio than flat ones.
The Ford Trimotor (perhaps the most important US airplane of the 1920s) used
corro as well. Not too surprising, since some say it was a copy of an
earlier Fokker. The Ju 52 looks somewhat like it as well.
http://www.geocities.com/CapeCanaveral/Lab/4515/ford.htm
http://www.photovault.com/Link/Technology/Aviation_Commercial/Aircraft/FordTrimotor.html
http://www.panamair.org/Aircraft/fordtrimotor.htm
http://www.fordtrimotor.org/
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