U.S.A.: First Rotary Engine For Outboard Speedboat Use Successfully Tested In Florida 1973
Click on Link Below for short Video of the Rotary Public Launch.
https://www.britishpathe.com/…/VLVA40Z6…/query/speedboat
Reuters News.
U.S.A.: First Rotary Engine For Outboard Speedboat Use Successfully Tested In Florida 1973