horsepower. Twin 825 hp MTU Series 60 engines lift her effortlessly from the hole and to top speed in about 18 seconds. Engine options up to 1,015 hp each are available. Her steering is responsive ... and one aft. As a result, the engines look lost in the abundant engineroom space. There is 29 inches ...

with just one of her two engines engaged. She rode the seas so easily that only the panoramic view from her ... between them with a foot of passage on either side. Remote electronic displays monitor the engines' vitals ... are overmatched. Stepped fuel tanks outboard of the engines provide additional mounting areas for compressors ...

was within 40 pounds of the engineer's estimate. They have learned to pay special attention ... Hyer, the engineer whose team designed the 81.5. Sea Force's stringer system stiffens the bottom ... . Stout engine beds of inch-thick steel on foam stringers capped with aluminum are stiff enough to let ...

glassed, not tabbed to the main structure. The stringers are notched and fully glassed in place. Engine ... even with the four aluminum tanks (two saddle tanks in the engine compartment, one in the cockpit ... are conveniently placed. Since each cylinder of the 12V2000 MTUs can be individually serviced, engine hatches ...