Theoretical performance of a MMA-fuelled Surface Effect Ship (SES) in 1975

Dynamic lift. Fuel weight 730.7 LT. Dimensions 245.0 x 105.0 x 19.7 (freeboard) feet. Range 3,100 (at 30 knots)-3,100 (at 50 knots) nautical miles.

Theoretical performance of a representative DFM-fuelled Surface Effect Ship (SES) in 1975. Dynamic lift, weight 2,200 light tons, dimensions 245 (waterline) x 105 (waterline) x -- (ship draft) x 18.9 (ship freeboard) feet. Propulsion waterjet. Horsepower 102,000 hp. Maximum speed 98 knots. DFM fuel weight 775 LT. Cruising speed 80 knots. Range at cruising speed 4,000 nautical miles based on 10 percent fuel reserve rounded to nearest 50 nautical miles.

Surface Effect Ship (SES) general applicable for the next specific warfare areas:

ASMD=self protection against anti-ship missiles

ASW (P)=force protection against subsurface threats

AAW=force attribution of airborne threats

ASUW=warfare against surface ship threats

EW=electronic warfare

CDS=combat direction systems

SURV=surveillance

AMW(L)=amhibious lift capability

NGFS=naval gunfire support

MIW=mine warfare

MLS=mobile logistic support for sea-based forces

SPW=special warfare

Principal mission characteristics

Mission: sea control defense of protected convoy lane

Duration in day: 4.6

Range in nautical miles: 5,200

Mission description: sweep of 2,600 nautical miles protected lane both ways using sprint and draft tactics for submarine search. Sprint 70 knots.

Ship operational parameters

Days in op area: 4.6

Op area day profile in hours: 16

Op area day profile in knots: 70

Op area day profile in nautical miles: 1,120

Total time at speed in hours: 74.2

Total time at speed in knots: 70

Source

Hydrogen. Hearings before the subcommittee of energy research, development and demonstration of the committee on science and technology U.S. House of Representatives. Ninety-fourth congress, first session June 10 and 12, 1975, p. 1027 and further.