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13th Dec 2021, 07:28

#2609 (permalink)

BEagle

Join Date: May 1999

Location: Quite near 'An aerodrome somewhere in England'

Posts: 26,850

Received 328 Likes on 115 Posts

OK - Open House!

it was the concept for the XR-12 airliner, based on the Republic XF-12 Rainbow:

The XF-12 had 4 engines and could cruise at 400 mph at 40000ft for 4,000 miles. Hence 'flying on all fours'!

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