The Atlantic Sea Hawk ; A hi-performance 18 meter Zero Carbon Cabin Cruiser with a
top speed of 50 knots.

Her state of the art Solar Hybrid design achieves a 50 to 100% reduction in consumption
and GHG emissions by combining a Plug-in SunPower solar array with an Allison Hybrid
system to produce the cleanest marine propulsion in the world.

Allison Transmission, a division of General Motors, in partnership with the U.S. Depart-
ment of Energy, developed this hybrid system under the DOE’s Advanced Heavy Hybrid
Propulsion System (AH2PS) Program.


Overall Length; 18m
Beam; 4.4m
Draught; 0.75m
Double cabins; 2
Single cabin; 1
Weight; 22t
Hull; Carbon fibre/Kevlar composite
Fuel tank capacity; 2500l
Sewage tank capacity; 2X200l
Battery storage capacity; up to 100kwh (Allison ESS2 Nickel Metal Hydride)
Maximum Power; 3X300kw Allison Hybrid HP50 EPA “on road” Cummins Drive units
Propulsion; 3 Rolls Royce Kamewa FF water jets
Electric power; Plug-in SunPower solar cells generate up to 30kw per day
Maximum speed; 50 knots, 50% reduction in CO2 and fuel consumption
Cruising speed; 30 knots, 75% reduction in CO2 and fuel consumption
Battery powered Zero Carbon cruising range; up to 100nm
Annual Carbon Neutral cruising range; up to 1,000nm

The energy from the solar array, combined with Plug-in power sources charge an Allison
Nickel Metal Hydride storage system that runs Hotel services and powers this express
cruiser to her maximum speed of 50 knots. This same UPS allows her to navigate inland
waterways with zero emissions.

Plugged in the Atlantic Sea Hawk is capable of feeding 11Mwh’s of electricity to the grid.
Enough energy to offset up to 1,000 nautical miles of Carbon Neutral cruising every year


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