Thanks for looking that up! It had seemed that way to me too ... but I was in a conversation with an older US navy guy, a man who had served on diesel electrics in the 1960s who seemed to suggest that using the con as an airlock was something that could be done "in a pinch." I never got a sense of exactly how much of a pinch it had to be! Anyway, I started wondering if it was an aspe
Forum: Technology and Operations

Another question, in addition to the Salvage Air System questions below, that pertains to this project is whether or not the conning tower of the Type XXI could be flooded and blown in order to allow access to the sub when submerged in shallow water. If anyone has any ideas about this or any sources that I might check I'd be grateful if they would let me know! Thanks to anyone in advan
Forum: Technology and Operations

Hello to all. I am a writer working to complete my father's (Louis L'Amour) last few novels. A couple of years ago I finished his first (circa 1940) novel, No Traveller Returns, a book that contained a good deal of technical maritime detail. The current project is a thriller that deals with certain elements of WWII technology. It is a work of fiction but, of course, I'm trying
Forum: Technology and Operations