Originally Posted by Matt
..I'd be concerned about all that weight right at the back - it's gonna be heavier than the equivalent outboard, hanging further off the back.
Well, initially you might think so but the units have their own buoyancy so when floating they will be supporting much of their own weight. When airborne, I guess it's going to depend on how that occurs but under power it's the jet unit that is driving the boat out of the water so the two of them will be flying together. The landings could be good or bad depending on the attitude of the boat. But, as I said earlier, if wave jumping isn't your thing then I feel they could be made to work satisfactorily.
The hardest landings I'd experienced are when in clapotic seas and big hole appears under the boat.
On a bad landing, that could do for them but I guess that applies to an inboard installation too. I know folk who've cracked an engine block in that situation.
It's worth discussing though cos it helps yer brain assess.