So far I have found 3 styles of schnorkel head and 3 styles of schnorkel piping. I am drawing them up now and hope to have most of them finish this weekend.
Simon
I wonder. Since I found that U-995 was having her schnorkel retrofitted in Trondheim at the end of the war, and U-711 that I'm building was fitted with her schnorkel in Narvik IIRC, that if the schnorkels weren't installed while being built, that there were just put in by any shop that had the necessary equipment and mechanics, but not necessarily in a proper shipyard, especially a U-boat yard?
In so doing, they exact run of the piping could be different for every boat, especially if it had already been modified for FuMo, Naxos, etc. which might get in the way of a standard piping run?
Since we've already found that such minor things as flooding holes are different from yard to yard, could it not therefore be even more true of schnorkels?
They might get the heads and valves shipped to them from manufacturers in Germany, but the piping would be done on location.