If it is what it sounds like at the 1:15 mark, with the wake of the boat hitting the prop, that's going to be an expensive little day on the water for Popeye, the Sailing Karen. Does hitting a boat wake (not
just 'spray') meet the prop strike criteria of the
Lycoming SB? "
Sudden RPM drop on impact to water, tall grass, or similar yielding medium where propeller damage does not usually occur"
What's a teardown and IRAN cost for an IO-540 these days?