In article <lk75hd9c8cqfkvb2ckh7qiblk9s5v9fnq8@4ax.com>, Stormin' Norman says...
>
>On 2 Jun 2018 06:29:31 -0700, Miloch <Miloch_member@newsguy.com>
>wrote:
>
>
>One of my all time favorite aircraft!
>
>I was fascinated by this part of the design history:
>
>"In this arrangement both propellers would turn upward as they
>approached the center wing, which in theory would have allowed better
>single-engine control. This proved not to be the case when the
>aircraft refused to become airborne during its first flight attempt.
>After a month of work North American engineers finally discovered that
>rotating the propellers to meet in the center on their upward turn
>created sufficient drag to cancel out all lift from the center wing
>section, one quarter of the aircraft's total wing surface area. The
>engines and propellers were then exchanged, with their rotation
>meeting on the downward turn, and the problem was fully solved."
>
>The engineers responsible must have all breathed a giant sigh of
>relief!
>
>
I posted 18 images but only show 3 on my side...hope all 18 made it up.
I'll repost them all if the consensus is no one got more than 3
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