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LT-2 Landing Strut

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LT-2 Landing Strut
Part image
Landing gear by
Moving Parts Experts Group
Cost (total) 340.00 Fund
Mass (total) 0.10 t
Drag 0.2
Max. Temp. 2900 K
Impact Tolerance 12 m/s
Research Advanced landing.png Advanced Landing
Unlock cost 4100 Fund
Since version 0.14.0
Part configuration landingLegLT-2
LT-2 Landing Strut extended (left) and folded (right)

The LT-2 Landing Strut is primarily used to land safely on celestial bodies. Prior to its introduction in 0.14, winglets were often the preferred method of providing landing legs for Mün missions.

Usage

The LT-2 Landing Strut is used as a support when landing vertically, or at least attempting to. It is connected radially and extends with the G key (default). It extends much farther than its smaller cousin the LT-1 through a unique telescoping action, making it suitable for landers with larger engines.

Although comparatively long, LT-2 landing struts still need to be placed low on a rocket. They extend far enough to be used with the Poodle, LV-T30, and LV-T45 Liquid Fuel Engines, but cannot reach past the LV-N or Mainsail. A workaround to this is using girders, I-beams, or panels to extend lower on the craft with a landing strut on each to contact the ground.

LT-2 Landing struts can be set to be either extended or retracted at launch. This is done by right-clicking the part in the VAB or SPH and clicking the relevant button. The landing struts can be toggled in flight with the G key or hitting the “extend gear” button on the HUD. While in motion the legs can produce substantial forces, potentially resulting in a several meter “hop”. If the leg collides with another part of the rocket, it can break connections and push that part away.

The maximum safe landing speed for an LT-2 landing strut is ~12 m/s. Landings with massive rockets or on rough terrain may need to be slower to avoid ripping off landing legs.

As of 0.23.5, landing leg mass is counted. This is in contrast to landing gear.

Product description

The LT-2 Landing Strut offers a heavy-duty method for planting yourself firmly on the ground, without the severe consequences that usually accompany planting yourself firmly on the ground.

Changes

0.22
  • Suspension
0.14.0
  • Initial release
Default parts
Jet engines Basic Jet EngineTurboJet EngineR.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 Tank
Liquid fuel engines LV-1 Liquid Fuel EngineLV-1R Liquid Fuel EngineRockomax 24-77Rockomax 48-7SRockomax Mark 55 Radial Mount Liquid EngineToroidal Aerospike RocketLV-N Atomic Rocket MotorLV-909 Liquid Fuel EngineLV-T45 Liquid Fuel EngineLV-T30 Liquid Fuel EngineRockomax "Poodle" Liquid EngineRockomax "Skipper" Liquid EngineRockomax "Mainsail" Liquid EngineR.A.P.I.E.R. EngineKerbodyne KR-2L Advanced EngineLFB KR-1x2S3 KS-25x4 Engine Cluster
Solid fuel rockets Sepratron IRT-10 Solid Fuel BoosterRockomax BACC Solid Fuel BoosterS1 SRB-KD25k
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 MonoPropellant Engine
Jet fuselages Mk1 Fuselage - Jet FuelMk2 to size 1 AdapterMk2 FuselageMk3 to Mk2 AdapterMk3 Fuselage
Fuel transfer FTX-2 External Fuel Duct