I own a Mark 8 Torpedo. If you know anything about how the torpedo was powered, armed, navigated or guided, and how the radial engine was started and operated, I would really like to hear from you. Steve, Sydney Australia.
hopefully you already have seen this Bliss–Leavitt Mark 8 torpedo - Wikipedia The Pacific War Online Encyclopedia: British Mark VIII Torpedo Pre-World War II Torpedoes of the United States of America - NavWeaps let me know what you have found since you posted. also where did you get it?
http://www.ibiblio.org/hyperwar/NHC/NewPDFs/USN/USN Manuals and Reports/USN.Torpedo.Studies.pdf http://www.ibiblio.org/hyperwar/NHC/NewPDFs/USN/USN Admin Histories/USN.Bureau.Ordnance.WWII.pdf
This one uses the War Damage Reports, some of which include analysis of torpedo damage, such as with West Virginia, et al. http://www.sname.org/HigherLogic/Sy...tFileKey=0433fcd0-ccd3-48a7-ac9c-1dee42214c17