He said the boat had a single screw. For you landlubbers, that means there is only one prop, i.e., only one engine. Therefore it is highly doubtful it is a reverse rotation engine.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.