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LV-909 "Terrier" Liquid Fuel Engine

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LV-909 "Terrier" Liquid Fuel Engine
Part image
Liquid fuel engine by
Jebediah Kerman's Junkyard and Spaceship Parts Co.
Cost (total) 390.00 Fund
Mass (total) 0.50 t
Drag 0.2
Max. Temp. 2000 K
Impact Tolerance 7 m/s
Research Advanced rocketry.png Advanced Rocketry
Unlock cost 1600 Fund
Since version 0.14.0
Part configuration liquidEngineLV-909
Maximum thrust (1 atm) 14.78 kN
(vacuum) 60.00 kN
Isp (1 atm) 85 s
(vacuum) 345 s
Fuel con­sumption 3.54 units of fuel/s
Thrust vectoring 4 °
On the surface ✓ Yes
On the ocean ✓ Yes
In atmosphere ✓ Yes
In space ✓ Yes
Test by staging ✓ Yes
Manually testable × No

The LV-909 Liquid Fuel Engine is a liquid fuel engine.

Usage

The LV-909 is a liquid fuel engine with thrust vector control, allowing efficient control of the rocket when it is most needed: during ascent, descent, and orbit correction burns. It has a slightly better specific impulse in vacuum than LV-T30 and LV-T45 engines and is much smaller and lighter than them, but it has dramatically less thrust. The low thrust makes the LV-909 unsuitable as a main engine on most lower stages, but the low mass allows for more efficient upper stages. Furthermore, the LV-909 is short enough that LT-1 Landing Struts can extend past it. Because of this, the LV-909 is a good choice for lander engines.

Like LV-T30 and -45, the LV-909 cannot be placed on radial decouplers. The LV-909 must be directly below a non-empty liquid fuel tank, or fed by an fuel line, to produce any thrust.

The thrust vectoring on this engine tends to be less useful than on the LV-T45, due to the LV-909's reduced gimbal range and the fact that it is often used on lighter rockets, which can be turned easily by the SAS torque provided by the command pod or probe body.

Be aware that unlike the LV-T30 and -45, the LV-909 does not produce electric charge.

Product description

The LV-909 is one of the few parts in Kerbal Space Program that is covered in multi-layer insulation.

Pre-0.18 appearance
The 909 model was initially received with some skepticism by spacecraft engineers, as it defied the long-standing convention that "More Power!" is always better. Despite this, the 909 series has found its place in the spacecraft construction world, being particularly useful as a final stage and landing engine.

Changes

0.18
  • New, higher quality model applied.
0.17
  • Max thrust increased from 20 to 50; vacuum ISP reduced from 400 to 390.
0.14.0
  • Initial Release


Default parts
Jet engines J-33 "Wheesley" Basic Jet EngineJ-X4 "Whiplash" Turbo Ramjet EngineCR-7 R.A.P.I.E.R. Engine
Liquid fuel tanks Oscar-B Fuel TankROUND-8 Toroidal Fuel TankFL-T100 Fuel TankFL-T200 Fuel TankFL-T400 Fuel TankFL-T800 Fuel TankRockomax X200-8 Fuel TankRockomax X200-16 Fuel TankRockomax X200-32 Fuel TankRockomax Jumbo-64 Fuel TankKerbodyne S3-3600 TankKerbodyne S3-7200 TankKerbodyne S3-14400 TankC7 Brand Adapter - 2.5m to 1.25mC7 Brand Adapter Slanted - 2.5m to 1.25mNCS Adapter
Liquid fuel engines LV-1 "Ant" Liquid Fuel EngineLV-1R "Spider" Liquid Fuel Engine24-77 "Twitch" Liquid Fuel Engine48-7S "Spark" Liquid Fuel EngineMk-55 "Thud" Liquid Fuel EngineT-1 Toroidal "Aerospike" Liquid Fuel EngineLV-N "Nerv" Atomic Rocket MotorLV-909 "Terrier" Liquid Fuel EngineLV-T45 "Swivel" Liquid Fuel EngineLV-T30 "Reliant" Liquid Fuel EngineRE-L10 "Poodle" Liquid Fuel EngineRE-I5 "Skipper" Liquid Fuel EngineRE-M3 "Mainsail" Liquid EngineKerbodyne KR-2L+ "Rhino" Liquid Fuel EngineLFB KR-1x2 "Twin-Boar" Liquid Fuel EngineS3 KS-25x4 "Mammoth" Liquid Fuel Engine
Solid fuel rockets Sepratron IRT-5 "Flea" Solid Fuel BoosterRT-10 "Hammer" Solid Fuel BoosterBACC "Thumper" Solid Fuel BoosterS1 SRB-KD25k "Kickback" Solid Fuel Booster
Monopropellant fuel tanks Stratus-V Cylindrified Monopropellant TankStratus-V Roundified Monopropellant TankFL-R1 RCS Fuel TankFL-R10 RCS Fuel TankFL-R25 RCS Fuel TankMk2 Monopropellant TankMk3 Monopropellant Tank
Monopropellant engines O-10 "Puff" MonoPropellant Fuel Engine
Jet fuselages Mk1 Liquid Fuel FuselageMk2 to 1.25m AdapterMk2 to 1.25m Adapter LongMk2 Liquid Fuel FuselageMk2 Liquid Fuel Fuselage ShortMk2 Rocket Fuel FuselageMk2 Rocket Fuel Fuselage ShortMk2 Bicoupler2.5m to Mk2 AdapterMk3 to 2.5m AdapterMk3 to 2.5m Adapter SlantedMk3 to 3.75m AdapterMk3 to Mk2 AdapterMk3 Liquid Fuel FuselageMk3 Liquid Fuel Fuselage ShortMk3 Liquid Fuel Fuselage LongMk3 Rocket Fuel FuselageMk3 Rocket Fuel Fuselage ShortMk3 Rocket Fuel Fuselage Long
Fuel transfer FTX-2 External Fuel Duct
Xenon propulsion IX-6315 "Dawn" Electric Propulsion SystemPB-X50R Xenon ContainerPB-X150 Xenon ContainerPB-X750 Xenon Container
Ore storage Small Holding TankLarge Holding Tank
Landing gear LY-10 Small Landing GearLY-50 Medium Landing GearLY-99 Large Landing GearLY05 Steerable Landing GearLY-01 Fixed Landing GearLT-05 Micro Landing StrutLT-1 Landing StrutsLT-2 Landing Strut
Parachutes Mk2-R Radial-Mount ParachuteMk16 ParachuteMk16-XL ParachuteMk25 ParachuteLaunch Escape SystemMk12-R Radial-Mount Drogue Chute
Ladders Pegasus I Mobility EnhancerTelus Mobility EnhancerTelus-LV Bay Mobility Enhancer
Powered wheels RoveMax Model M1RoveMax Model S2RoveMax Model XL3TR-2L Ruggedized Vehicular Wheel
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Batteries Z-100 Rechargeable Battery PackZ-400 Rechargeable BatteryZ-200 Rechargeable Battery BankZ-1k Rechargeable Battery BankZ-4K Rechargeable Battery Bank
Lamps Illuminator Mk1Illuminator Mk2
Space station parts Clamp-O-Tron Jr.Clamp-O-Tron Docking PortClamp-O-Tron Shielded Docking PortClamp-O-Tron Sr. Docking PortInline Clamp-O-TronAdvanced Grabbing UnitPPD-10 Hitchhiker Storage ContainerMk2 Crew CabinMk3 Passenger Module
Cargo bays Mk2 Cargo Bay CRG-04Mk2 Cargo Bay CRG-08Mk3 Cargo Bay CRG-25Mk3 Cargo Bay CRG-50Mk3 Cargo Bay CRG-100Service Bay (1.25m)Service Bay (2.5m)
Ore processing 'Drill-O-Matic' Mining ExcavatorISRU Converter