acv hull 30 blowers 31 blower drive engine 32 blower inlet ducts 40 inlet rcs valves 37 gas flow arrows 36 flexible bow seals 33 and sea surface 34 in this particular arrangement with blowers 31 and inlet rcs valves 37 positioned both port and starboard it is possible to control blower inlet openings or apertures differently on port and starboard sides of the gas cushion 39 the gas cushion 39 can be divided in the case of the air ride boat hull by the center divider 62 or other means such as additional rows of flexible seals now shown that would be positioned aft of the forward row of flexible seals 33 shown fig3 presents a cutaway view taken through line 3 3 of fig1 that illustrates a hull 30 section taken through a midship portion of the gas cushion 39 shown are sea surface waves 34 and wave surfaces 35 that make up the lower surface of the gas cushion 39 this view also shows gas cushion vent rcs valves 38 as they are positioned in ducts 41 that are used to vent pressure pulses from the gas cushion 39 for convenience the controller 45 pressure transducers 43 accelerometer 43 and inclinometer 44 are also shown in this.