Related by context. Frequent words. (Click for all words.) 49 hydrodynamic 48 cavitation 46 backpressure 46 hydrodynamics 46 aerodynamic drag 46 laminar flow 44 venturi 44 torsional 44 torques 43 outboard 43 deflectors 43 unpowered 43 intake valve 42 planktonic 42 furling 42 propellers 42 boat hulls 42 impellers 42 inboard 42 drogue 42 hydrostatic 42 lubrication 41 airfoil 41 variable geometry 41 vibration 41 maneuverability 41 blowholes 41 reefing 41 decompression sickness 41 outboards 41 unpressurized 41 Pressurized 41 fin 40 servomotors 40 propeller 40 bilge pump 40 viscosity 40 cornering speeds 40 torsion 40 propulsion 40 fins 40 suction 40 hydraulic pump 40 hydraulic 39 Thruster 39 airflow 39 rudder 39 antigravity 39 inlet 39 laminar 39 daggerboard 39 forelimb 39 inboard engines 39 luff 39 intercoolers 39 swim fins 39 corrosion resistance 39 bend radius 39 jet propulsion 39 liferafts 38 snorkels 38 intake manifolds 38 highly maneuverable 38 pressurisation 38 longline 38 radome 38 bowsprit 38 valvetrain 38 freeboard 38 towline 38 solenoid valves 38 aerodynamically efficient 38 overpressure 38 trawl nets 38 combustion chambers 38 detent 38 impeller 38 hulls 38 outrigger 38 canting keel 38 variable valve 38 unsprung weight 38 rudders 37 computational fluid dynamics CFD 37 foredeck 37 longline fishing 37 pectoral fins 37 torpedo tubes 37 noise vibration 37 corrosive environments 37 ionisation 37 VTOL 37 mainsail 37 trimarans 37 abrasion resistance 37 hull 37 Flotation 37 spiny dogfish 37 osteolysis 37 actuator 37 stiffness