let us say for example a type IXC u boat equiped with two type M9 V 40/46 C M.A.N diesel engines with superchargers of the kapsell type delivering 2,200 hp each at 480 rpm with the superchargers engaged and 1,700 hp at 400 rpm without superchargers with both diesels engaged and running at around ten knots the operational range would be roughly 13,500 nm if a boat ran on one diesel at t
Forum: Technology and Operations

i am told that this was to test the effect of turbines as a propusion system for the u boats, with one or two turbines on one shaft, like the type xviiia boats u 792 and u 793 that were tested from their launch in 43 untill the end of the war, none of these test boats saw active sevice, although they had crews of experienced men, they were purely experimental.
Forum: General Discussions

it is an experimental type of schnell boot or s boat designed as a fast attack u boat by walther i think(someone on here will clarify) if you look at the tower on the photo of it on the surface it is similar to the type xx1 and later models
Forum: General Discussions

there were more cases of u boat commanders helping the crews of enemy ships sunk during world war 2 it was at the commanders discresion how he assisted. there are countless recounts of u boats directing survivors to the nearest coastline or even towing them on the surface. sometimes food and medical tratment was given, obviously as u boats are relatively small inside there is not a lot of room
Forum: Movies and Films

as far as i can gather the bells were positioned in every compartment of the boat to alert every member of the crew, and to alert the commander, chief, engine room and crew. they would have been located in the deckhead, with the emergency lighting. i think in the later boats when the alarm dive order was rang down a light also flashed in the engine room spaces, because of the noise from the di
Forum: Technology and Operations