[ccolor=blue]
There were three basic lower unit (Gearcase) designs for Speeditwins. from about 1932 to 1942 they used an Elto patern, very streamlined.During WW2 the Stormboat motor {Made by modifying the 460 racing motor} used a beefed up model that could be run up on coral beaches. It had wings to protect the propeller. After the abrupt end of the war, Evinrude had thousands left they used on the larger outboardsThose ran out in 1`9438 and The one with the “O” ring gasket came out. Last models added a water scoop on the exhaust outlet behind the propeller.[/color]
_________ 1940 ____________
_________1946 ____________
_________1949 ___________
