In the great tradition of wandering hither and thither with this greatest of threads, I came across this post on YouTube. It is a talk about the Vultee Aircraft Company, including the Vengeance of course. Yours to dissect with your usual precision, Danny.
https://www.youtube.com/watch?v=Up2HsAh4PXw
Last edited by Chugalug2; 18th Aug 2016 at 12:50.
Reason: Oops! Wrong link!