Le 19 avr. 2015 à 22:16, ChrisB <ftog@xxxxxxxxxxxxxx> a écrit :
> Thanks, Philippe and Bill. But adding ribs like that would probably have
> increased the drag.
>
Certainly, yet since it's structurally stronger, it may be built thinner which
might be a good compromise as far as drag is concerned - just a guess of course
- anyway it's quite unusual and must have been designed following trial and
error methods and given up altogether ;-)
Ph
> Chris
>
>> On 19 Apr 15, at 19:48, Bill Pearce <billcpearce@xxxxxxx> wrote:
>>
>> It is a substantial cost saving for the metal to have embossed ridges for
>> needed strength rather than a structure that requires assembly and many
>> parts. It's a remnant of the Ford Trimotor.
>>
>> -----Original Message----- From: ChrisB
>> Sent: Sunday, April 19, 2015 1:35 PM
>> To: Olympus Camera Discussion
>> Subject: Re: [OM] IMG: French Connection
>>
>> That’s another nice shot, Jim.
>>
>> Why would the metal of the fin be ribbed like that? Is it to stiffen thin
>> metal, kept like that for lightness?
>>
>> Chris
>>
>>> On 19 Apr 2015, at 19:14, Jim Nichols <jhnichols@xxxxxxxxxxxxx> wrote:
>>>
>>> In examining the film from the Bessa, I found an example of our
>>> international aircraft, a S.O.C.A.T.A. MS894A that is based here. I'm sure
>>> that, among the sailplanes based here, there are quite a few more from
>>> overseas.
>>>
>>> http://www.gallery.leica-users.org/v/OldNick/French+Connection-1.jpg.html
>>> <http://www.gallery.leica-users.org/v/OldNick/French+Connection-1.jpg.html>
>>>
>>> Bessa R2a with Kodak BW400CN, lens not recorded.
>>
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