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(Click for frequent words.) 58 VTOL aircraft 58 ion thrusters 58 ion thruster 57 uncrewed 57 hydrazine thrusters 56 engineless 56 ducted fan 56 quadrocopter 56 gimbaled 56 ramjet 55 underslung 55 kg payload 55 ramjets 55 propeller shafts 55 #kt #km h 54 thrust vector 54 Zenit 3SL 54 parafoil 54 powerpack 54 landing VTOL 54 SpaceShip Two 54 turbopumps 54 electric ion propulsion 54 deorbiting 54 interstage 53 rocket thrusters 53 pusher propeller 53 retrorockets 53 ramjet propulsion 53 propulsion 53 unpressurised 53 pneumatic catapult 53 hypersonic speeds 53 SSPTS 53 hydraulic rams 53 Fregat upper stage 53 hydraulically assisted 53 SSMEs 52 VTOL 52 ballistic parachute 52 bow thruster 52 hydraulic piston 52 cigarette lighter adapter 52 Curiosity rover 52 handwheel 52 Pegasus XL 52 breathing scramjet engine 52 payload fairings 52 drogue chute 52 thruster firings 52 maxon 52 inertial navigation system 52 sideslip 52 skeg 52 supersonic combustion 52 RSRMs 52 bow thrusters 52 unpiloted 52 offboard 52 bi propellant 51 scramjets 51 steerable 51 rfid reader 51 thrust vectoring 51 afterburning 51 sailplane 51 #A #V [002] 51 spacecrafts 51 propellant tanks 51 drogue parachute 51 Lunar Roving Vehicle 51 servo controllers 51 inertial navigation 51 geo synchronous 51 databus 51 STOL 51 throttle levers 51 Pirs docking compartment 51 piezo actuators 51 gimbals 51 Rolls Royce waterjets 51 inertial guidance 51 spacecraft 51 ATV Jules Verne 51 Thrusters 51 torque limiter 51 bathyscaphe 50 Launch Abort System 50 sensor payloads 50 airfoils 50 hydraulically powered 50 AC #U 50 axis perpendicular 50 propeller blade 50 orbiter lander 50 shuttlecraft 50 electrically propelled 50 hydrofoils 50 #km #nm 50 Arwing 50 lunar landers 50 Thruster 50 multifunction displays 50 Automated Transfer Vehicles 50 autopilot disengaged 50 transonic 50 scramjet engine 50 bipropellant 50 tri axial 50 robotic arm Canadarm2 50 thruster 50 SkyCar 50 Parajet Skycar 50 hypergolic 50 unpressurized 50 highly maneuverable 50 #V dc [001] 50 ICC VLD 50 ramjet engine 50 hydraulic actuators 50 turbojet 50 bladed rotor 50 turbojets 50 Parrot AR Drone 50 ST5 50 IBEX spacecraft 50 sidestick 50 SPHERES 50 radiotelephone 50 piezo actuator 50 P#/P# truss 50 Minotaur rocket 50 brushless motor 50 crewless 50 coaxial rotor 50 RPCM 50 servos 50 MPLM 50 vectored thrust 50 Crawler Transporter 50 PSLV rocket 50 automatically disengages 50 electric trolling motor 49 lander 49 electrically powered 49 Vertical Takeoff 49 ARCTUS 49 datalogger 49 pneumatically driven 49 DMSP F# 49 hypersonic scramjet 49 HyFly 49 glider 49 radar altimeter 49 robotic manipulator 49 Descent Module 49 telescopic boom 49 gyrocopters 49 electromagnetic coils 49 H IIA 49 Inertial Navigation System 49 inertial measurement unit 49 pneumatic cylinders 49 MQ 1B Predator 49 gyroscopic 49 piezo electric 49 optionally manned 49 spool valve 49 omnidirectional antenna 49 SpaceLoft 49 Elektron oxygen generation 49 ballistic trajectory 49 ion propulsion 49 motorless 49 airbrakes 49 retroreflector 49 Helios Prototype 49 Unmanned Surface 49 Air Cushion 49 infra red sensors 49 hydraulic pistons 49 servo amplifier 49 geosynchronous orbit 49 synchronous motors 49 MPCV 49 Atlas Centaur 49 para glider 49 rotates clockwise 49 gyroplane 49 Lunar Module 49 homing beacons 49 hypervelocity 49 unstowed 49 laminar flow 49 LCVP 49 Skynet 5C 49 EPIRBS 49 overspeed 49 electrohydraulic 49 VASIMR 49 Waverider 49 Xerus 49 supersonic cruise 49 Winglets 49 orbital rendezvous 49 self tacking jib 49 supersonically 49 gyroscopic sensor 49 roller furling 49 orbital maneuvering 49 Sky MAXX 49 handlebar mounted 49 gravitational slingshot 48 ejectable 48 inboard engine 48 propellors 48 neutrally buoyant 48 electro hydraulic 48 hydraulic motors 48 sailplanes 48 inboard motors 48 millimeter wave radar 48 ascender 48 arrester 48 highly manoeuvrable 48 liquid propellant 48 Orbital Express 48 slot PXI chassis 48 roller conveyor 48 Millenium Falcon 48 xenon propellant 48 Ion propulsion 48 variator 48 brushless servo motor 48 ultrasonic motors 48 Progress resupply 48 thrusters 48 aerofoil 48 flapless 48 axial flux 48 Air Cushion LCAC 48 permanent magnet synchronous 48 Merlin 1C 48 GPS chartplotter 48 yaw damper 48 motorized gliders 48 airbrake 48 Titan IVB 48 hydraulically driven 48 NextSat 48 Canada PW#A engines 48 electro hydraulically 48 linearly polarized 48 station Pirs docking 48 suction cup mount 48 turbofan engine 48 MZ 3A 48 RS# interface 48 DC1 Docking Compartment 48 jib crane 48 echo sounder 48 S6 truss segment 48 MTOW 48 drogue 48 electrically driven 48 groundspeed 48 contra rotating 48 +# VDC 48 capacitive coupling 48 servomotor 48 ac induction 48 Solid Rocket Boosters 48 autogiro 48 SH #B Seahawk 48 gyro stabilized 48 RS# port 48 scramjet engines 48 SOLO TREC 48 laser altimeter 48 reboost 48 ornithopter 48 centrifugal clutch 48 Technology Demonstrator 48 vertical stabilizers 48 remotely controllable 48 omni directional antenna 48 servomotors 48 Pressurization 48 autothrottle 48 Predator UAV 48 hexapod 48 linear axes 48 Zvezda module 48 sterndrives 48 hydro pneumatic 48 S#/S# truss 48 Super Cub 48 Jules Verne ATV 48 tail dragger 48 gliders 48 compressed gaseous hydrogen 48 TACAN 48 localiser 48 hydraulic actuator 48 xenon ion 48 RoboSwift 48 Scramjets 48 sponsons 48 boresight 48 Variable Specific 48 boats canoes kayaks 48 wingsail 48 actuator 48 gimbal 48 LEAP X1C 48 subsonic speeds 47 Divine Vessel 47 Solar Sail 47 Solid Rocket 47 unpowered glide 47 spindle motor 47 AC synchronous 47 main rotor blade 47 TIE Fighters 47 magnetos 47 #LC 47 NanoSail D 47 Via Australis 47 Electric Propulsion 47 toroidal 47 anchor windlass 47 OMS pod 47 planetary gears 47 Glonass K 47 thruster rockets 47 Solar Impulse HB SIA 47 SMEMA 47 ballscrew 47 turbofans 47 Soyuz FG 47 davit 47 Foton spacecraft 47 launchable 47 #kW electric 47 9V battery 47 roller conveyors 47 watermakers 47 Lunar Rover 47 repressurization 47 LRO LCROSS 47 MARSIS radar 47 geosynchronous 47 GE Honda HF# 47 combiner 47 rotary piston 47 SpaceX Dragon 47 PPTC 47 Stratoliner 47 electro optical sensor 47 Cessna Caravans 47 electromagnetically 47 bladed propeller 47 shunt resistors 47 cryocoolers 47 triode 47 retrorocket 47 midcourse phase 47 Aeroscraft 47 redock 47 HB SIA 47 vortex generators 47 GSAT 5P 47 Solid Rocket Booster 47 SpaceLoft XL 47 auxiliary hydraulics 47 SAWs 47 inertial measurement 47 ARBS 47 hydraulically actuated 47 Mars landers 47 gyroplanes 47 payload 47 Orbital Module 47 Globalstar constellation 47 Wankel engine 47 radioisotope thermoelectric generator 47 Rockot 47 PID controller 47 Proba 47 GSLV Mk III 47 BITS2 47 Sport Chrono package 47 ailerons 47 Crawl Control 47 rudder pedals 47 submersible craft 47 maneuvering thrusters 47 unguided bombs 47 module Zvezda 47 EZ Rocket 47 Air Missile AMRAAM 47 EMALS 47 piezoelectric crystals 47 deorbit 47 Orbital Maneuvering System 47 rotary vane 47 capstan 47 Ariane 5G 47 starfighters 47 Landing Tactical Unmanned 47 geo synchronous orbit 47 repelling magnets 47 Foton M3 47 flexible gooseneck 47 AGVs 47 airbag module 47 VTOL vertical 47 Triflex R 47 SolarEagle 47 manned spaceships 47 graphite epoxy 47 ATV Johannes Kepler 47 Minotaur IV 47 #mph [003] 47 Wingsuit 47 earth orbiting satellites 47 autoland 47 pulleys levers 47 powerhead 47 blade propeller 47 7V 47 tail rotor blades 47 spindle bearings 47 Draganflyer 47 pitot static 47 autonomous robotic 47 Pirs Docking Compartment 47 telescoping mast 47 Distronic 47 PGM FI 47 EP 3E 47 drogues 47 Orlan spacesuit 47 lbf thrust 47 Audi A1 e tron 47 electro optic sensors 47 Vehicle ATV 47 paramotor 47 klystron 47 unmanned Progress 47 steering wheel tilts 47 Brushless 47 quadricopter 47 supercruise 47 manpowered 47 teleoperated 47 Thrust reversers 47 Briz M 47 laser designator 47 FASTSAT 47 electro pneumatic 46 Reusable Launch Vehicle 46 Chelton EFIS 46 Progress #P 46 shunt resistor 46 composite rotor blades 46 Vertical Landing STOVL 46 robotic rovers 46 WORF 46 Early Ammonia Servicer 46 Propulsion System 46 navigational beacons 46 unpiloted aircraft 46 Earth orbit LEO 46 Falcon 1e 46 PWM output 46 external stowage 46 gyrocompass 46 instrumented 46 particle separator 46 Huygens Probe 46 altimeters 46 aeroshell 46 stepper motors 46 #HT [002] 46 vertical takeoffs 46 Globalstar satellites 46 tail rotors 46 D#A [001] 46 treadles 46 torque multiplication 46 SkyRouter 46 propulsion motors 46 electro-optical/infrared sensor 46 microrobot 46 Yinghuo 1 46 hyperspace 46 General Electric CF6 46 #.#hp 46 mains socket 46 electric trolling motors 46 Turbomeca Arriel 46 GE CF6 engines 46 vacuum gripper 46 airframe parachute 46 parachute deploys 46 APKWS II 46 heavier payloads 46 double bladed paddle 46 orbital inclination 46 autogyro 46 outboard 46 Motorised 46 Minn Kota ® 46 onboard telemetry 46 Eurocopter X3 46 Oceanic Discoverer 46 Philae lander 46 twin rudders 46 electrically 46 asynchronous motors 46 hoverboard 46 Land Rover Terrain Response 46 pneumatically operated 46 matter antimatter annihilation 46 twin hulled 46 magneto 46 electric propulsion 46 tokamaks 46 scramjet 46 reversers 46 bearingless 46 slotless 46 servo motor 46 SQUIDs 46 marinized 46 electro magnetically 46 SpaceshipTwo 46 DA# NG 46 infra red sensor 46 F4U 46 radioisotope thermoelectric generators 46 vernier 46 BLDC motor 46 ultrasonic sensor 46 WhiteKnightTwo WK2 46 microswitch 46 Remotely operated 46 System ARBS 46 autonomous rendezvous 46 propeller 46 Vans RV 46 hydraulic braking 46 midships 46 HTV2 46 SARJ 46 thermostatically 46 Rockot launch 46 Dyna Soar 46 stripline 46 infinitely adjustable 46 GPS IIF 46 Ejection Seat 46 LCACs 46 twin engined aircraft 46 breathing supersonic combustion 46 speedometer tachometer 46 ROV remotely 46 Automatic Transfer 46 aileron 46 vibroseis 46 Moon Impactor Probe 46 orbital velocity 46 WhiteKnightTwo carrier 46 SSM# 46 aircraft Solar Impulse 46 towline 46 unflyable 46 dipole antenna 46 inflatable tubes 46 DIN rail 46 #kN [002] 46 Soyuz launcher 46 inductive loads 46 #AX# 46 multiaxis 46 roadable 46 Russian Zvezda module 46 Virgin Galactic unveils 46 elevons 46 DUTs 46 circularize 46 SpaceShip 46 depth sounders 46 feedline 46 TIE fighter 46 hydraulic winch 46 mosfet 46 Mil Std 46 Priz AS 46 Skycrane 46 autorotation 46 lander rover 46 hydraulically activated 46 6kW 46 passenger VTOL 46 carry heavier payloads 46 VMS Eve 46 Recon Scout 46 synthetic aperture 46 HH #C 46 microlite 46 SMA connector 46 ac motors 46 engineer Oleg Kotov 46 intensifier pumps 46 stators 46 mounted transversely 46 tailcone 46 Rolls Royce Merlin 46 Kibo JPM JEM Pressurized 46 Multi Purpose Logistics 46 solenoid coil 46 Kayaks canoes 46 laminar 46 Ultrasonic sensors 46 Liferafts 46 robotic Canadarm 46 triac 46 hydraulic actuation 46 HyShot 46 dockable iPod 46 Garmin GNS 46 U 2S 46 SpaceLoft XL rocket 46 manpack 46 DeHavilland Beaver 46 volt AC 46 furler 46 Gearless 46 FSBs 46 westbound Piper Pawnee 46 windlass 46 hydrostatic transmission 46 DART spacecraft 46 Volna rocket 46 sensorless 46 MQ 8B 46 arrestor 46 Proton Breeze M 46 propellor 46 propeller blades 46 RMMV 46 stabilizing gyroscopes 46 snubber 46 emergency locator transmitters 46 electromagnet 46 thyristor 46 rotor shaft 46 lunar orbit 46 simulate weightlessness 46 Continuously variable 46 RR# engine 45 GLAST spacecraft 45 Landing CTOL 45 Z1 truss 45 #kg payload 45 Discovery Robonaut 45 Inertial 45 piezo resistive 45 laser illuminator 45 cowl flaps 45 cam lobe 45 thermoelectric cooling 45 slewing 45 Seakeeper 45 orbital altitude 45 Payload 45 PWM pulse width modulation 45 powershift transmission 45 escooter 45 circular orbit 45 S1 truss 45 turbo prop airplane 45 planetary rovers 45 Landing VTOL 45 Payloads 45 Rockot launcher 45 gearless 45 KillerBee 45 Remote Manipulator System 45 actuation systems 45 hardpoints 45 datalinks 45 RT LAB 45 feller buncher 45 multipin 45 PSLV C# 45 monopropellant 45 hydraulic pump 45 dc motors 45 Shepherding Spacecraft 45 CH #D 45 hypersonic glider 45 modulated laser 45 EKV 45 dihedral 45 wing monoplane 45 rotating turret 45 trunnion 45 Mini Thermal Emission 45 SkySat 45 SUAS 45 stratospheric airship 45 Impactor 45 idler arm 45 hypersonic jet 45 USOS 45 sondes 45 SBSS satellite 45 electromagnets 45 omni directional 45 magnetron 45 transversely 45 overhead catenary 45 J 2X engine 45 MX4 45 superconducting coils 45 TDRSS 45 volt socket 45 Foton M2 45 compressed nitrogen 45 interferometers 45 volt adapter 45 oscillator frequency 45 Fregat 45 hydraulic ram 45 passive sonar 45 #bar [002] 45 Tropospheric Emission Spectrometer 45 Passive tags 45 Orbiter Processing Facility OPF 45 trimaran hull 45 Orbiter 45 dropsondes 45 SRMS 45 Martian orbit 45 CHIPSat 45 motorized 45 rigid airship 45 #/#Hz [001] 45 dc dc conversion 45 depower 45 air cushion LCAC 45 Orbital Minotaur 45 PkhO 45 Automated Transfer Vehicle 45 Packet Optical Platform 45 unmanned undersea 45 Picatinny rail 45 inertial reference 45 cantilever deflection 45 sinewave 45 SPOT HUG 45 X#B 45 Space Capsule 45 Avro RJ# [001] 45 Unmanned Combat Air 45 stator windings 45 Intrinsically safe 45 SDACS 45 Highly Adaptable Satellite 45 retractable cords 45 aeromodelling 45 ISS robotic arm 45 crosshead 45 Arabsat 5A 45 Mars Pathfinder lander 45 catapult launcher 45 F#GS 45 brushless electric 45 stratospheric balloon 45 telemetry instrumentation 45 triplane 45 aerofoils 45 RQ 4A 45 baseplate 45 induction motors 45 cryocooler 45 SpaceX Dragon capsule 45 delta winged 45 spinning rotors 45 NFIRE 45 Thales avionics 45 telemeter 45 Poisk 45 Magnetic levitation 45 pneumatic hydraulic 45 hang glider 45 geo synchronous transfer 45 Automatic transmissions 45 #VAC [002] 45 Inertial Navigation 45 SmartDeck 45 MK1 45 Quick Disconnect 45 Optus D3 45 #km h [003] 45 Spacehab module 45 radio altimeter 45 laser designators 45 propellers 45 towbars 45 assembly disassembly 45 servo hydraulic 45 AC #H Spectre 45 autoclavable 45 MC #P 45 collapsible steering column 45 stubby wings 45 pilot ejects 45 LZ# [002] 45 watermaker 45 gradiometer 45 turbopump 45 STSS satellites 45 Entry Descent 45 MH #S helicopter 45 mounted paddle shifters 45 ammeter 45 ultralite 45 piston rod 45 dropsonde 45 orifice plates 45 SIXAXIS motion 45 overhead conveyors 45 experimental payloads 45 rebuildable 45 Xcor Lynx 45 HC #J 45 Axio Imager 45 crewed spacecraft 45 pneumatically controlled 45 unmanned 45 Jiaolong 45 Rosetta orbiter 45 MQ 5B 45 tractive effort 45 weightlessly 45 Soleckshaw 45 SSRMS 45 Mosfet 45 DAGR 45 piston pumps 45 Neuera 45 flyby spacecraft 45 impedances 45 hydrostatic transmissions 45 sleek aerodynamic 45 JPADS 45 turbojet engines 45 vibration isolators 45 supersonic combustion ramjet 45 davits 45 Z axis 45 Garmin G# integrated 45 hydraulically operated 45 Omni directional 45 OBSS 45 #lb [003] 45 polyphase 45 hp outboard 45 ballscrews 45 Kibo robotic arm 45 XH# 45 Actuation 45 Axio Observer 45 Gossamer Condor 45 Infrared sensors 45 GPS IIF satellite 45 LSAM 45 Manned Maneuvering Unit 45 B #H Stratofortress 45 Gibbs Aquada 45 heatpipe cooling 45 electrically isolated 45 twin fuselages 45 Isolators 45 Earth Orbit LEO 45 intratheater airlift 45 submarine sonar 45 JaguarDrive Selector 45 reusable spacecraft 45 nosewheel 45 supercooled liquid 45 airlock module 45 PID controllers 45 STOVL F 45 PSLV C8 45 Huygens lander 45 shuttle aft compartment 45 de Havilland Tiger Moth 45 Fishfinder 45 InSb 45 airbag deploys 45 geosynchronous satellite 45 synchronous motor 45 DIN rails 45 Vertical Landing 45 turbojet powered 45 manoeuvrable 45 subrack 45 Unmanned aerial 45 CMGs 45 starboard truss 45 midship 45 TE# [001] 45 turbofan jet 45 Buttkicker 45 reciprocating piston 45 poppet valves 45 Maritime Prepositioning Force 45 Wallops Island Va. 45 compensator 45 payload fairing 45 dewars 45 electromagnetic motors 45 turbojet engine 45 VR3 45 Garmin G# [001] 45 winches 45 PSLV 45 BNC connector 45 binnacle 44 orbital 44 turboshaft 44 Garmin Zumo 44 helos 44 EELVs 44 BF# [003] 44 Pirs airlock 44 microlights 44 MQ 4C 44 Honda i VTEC 44 Radar Altimeter 44 GPWS 44 laser altimetry 44 brake actuation 44 DC1 44 Advanced Capability 44 Elektron O2 generator 44 unpressurized cargo 44 Kosmos 3M 44 motorbikes scooters 44 JIMO 44 Picco Z 44 Stearman biplane 44 Kounotori2 44 Silver Dart 44 FADEC controlled 44 Sineva missiles 44 detent 44 minehunting 44 sine wave output 44 KTAS 44 unairworthy 44 Aerial Refueling Boom 44 Bluetooth dongle 44 rotary winged 44 STP S# 44 hydropneumatic 44 locater beacon 44 kneeboard 44 VeeLo NextGen 44 Joint Helmet Mounted 44 Rigid Hull 44 XLR outputs 44 IR emitters 44 catamaran hull 44 tailplane 44 afterburner 44 equatorial orbit 44 inlet manifold 44 inertial 44 Shenzhou spacecraft 44 OG2 satellites 44 liquid oxygen LOX 44 interplanetary spacecraft 44 Wide Area Augmentation 44 reusable hypersonic 44 mA output 44 transimpedance amplifier 44 Virtual Cockpit 44 NASA rovers 44 planing hull 44 parabolic trajectory 44 Maglev trains 44 velocity vector 44 hydraulically controlled