clearly the motors are there just cuz the owner can afford them. you could power that raft with one just fine.lol thats a piece of art work i wanna see that thing in the water though.
Hate to be logical... But that looks like a ferry to me. The weight of all those engines and the stern platform in addition to ballasts, would counter-balance the weight of automobiles. Swapping outboards when necessarry would mean minimal downtime while the problematic one gets repaired. Just my guess.
Right off, i think this is an outboard motor test, much akin to the sort of things that the Underwriters Lab people do. Cool pic. How did you sneak tour camera in there?
With that much weight, the hole shot must suck. Trim tabs wouldn't work at all, but definately the poster story for a Doelfin......that is one on each motor.