I found Jim’s point about the protruding ribs interesting – that they had a
tendency to crack.
Chris
> On 19 Apr 15, at 21:28, Philippe <philippe.amard@xxxxxx> wrote:
>
>>
>> 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
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