JB> TW> Having ot use a very complex mechanical system was a big drawback.
JB> TW> Plus it was not really preactial for submariens thenselves as it
JB> TW> required a spoetter plant to function. NOW for Surface ships, which
JB> TW> also widel6yy used torpedos i nWWII, it would have been a possability
JB> TW> if it would have been more reliable . The Comming forth of the FULL
JB> TW> electronics system as Sylvania Electronics came up with, Giving credit
JB> TW> to the Lamarr patents by the way, brought the reliability and accuracy
JB> TW> needed. -!-

JB>Now I understand how the line of sight would come into play. My first notion
JB>and perhaps due to overly sensational reporting - made me suspect the patent
JB>had more to do with echo-locating, and ranging in a novel and fantastic way.

Unfortunatly NOT. The development of a "REAL" acoustic Torpedo during
WWII was have bee a GREAT asset.
In those days Surface ships made a lot of Torpedo Attacks on other
surface ships also. In fact in several WWII battles some Destroyers made
attcaks on Battle Ships. It was mostly a diversionary tatic though. And
also in those days all Battle Groups had several ships with Spotter
planes. Most Battle Ships and Cruisers of the had had them.
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 þ SLMR 2.1a þ This note from El Cajon California USA