LV-T45 "Swivel" Liquid Fuel Engine

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LV-T45 "Swivel" Liquid Fuel Engine
Part image
Liquid fuel engine by
Jebediah Kerman's Junkyard and Spacecraft Parts Co

Radial size Small
Cost (total) 1 200.00 Funds
Mass (total) 1.50 t
Drag 0.2
Max. Temp. 2000 K
Volume  ?
Impact Tolerance 7 m/s
Research Basic rocketry.png Basic Rocketry
Unlock cost 3 500 Funds
Since version 0.12
Part configuration liquidEngineLV-T45.cfg
Liquid fuel engine
Maximum thrust (1 atm) 167.97 kN
(vacuum) 215.00 kN
Isp (1 atm) 250 s
(vacuum) 320 s
Fuel consumption 13.70 Units of fuel/s

Thrust vectoring 3 °
Testing Environments
On the surface Yes
In the ocean Yes
On the launchpad Yes
In the atmosphere Yes
Sub orbital Yes
In an orbit Yes
On an escape Yes
Docked No
Test by staging Yes
Manually testable Yes

The LV-T45 Liquid Fuel Engine is an engine which requires fuel from external liquid fuel tanks, and must be either connected beneath them or be on the receiving end of a fuel line.


The LV-T45 is very similar to the LV-T30 Liquid Fuel Engine. It is slightly less powerful and slightly heavier, but it has thrust vectoring. Thrust vectoring means that the engine is able to slightly change the angle it is pointing to, which gives the player the ability to steer the rocket while the engine is burining. This allows efficient control of the rocket when it is most needed - during ascent and orbit correction burns.

Parallel ignition of several LV-T30 and LV-T45 engines at lift-off can lead to maximized thrust without losing control. But keep in mind that having the same specific impulse with less thrust means that it burns slightly longer than the LV-T30 with the same amount of fuel.

Like LV-T30, the LV-T45 cannot be placed on radial decouplers and are typically reserved as a main engine after lift-off. The LV-T45 must be directly below a non-empty fuel tank to produce any thrust.

Product description

The LV-T45 engine was considered another breakthrough in the LV-T series, due to its Thrust Vectoring feature. The LV-T45 can deflect its thrust to aid in craft control. All these added mechanics however, make for a slightly smaller and less powerful engine in comparison with earlier LV-T models.


  • Electricity production increased to 6.0
Pre-0.18 appearance
  • New model and texture
  • Alternator added, engine now gains 1.0 electricity
  • Major CFG revision (most notably Isp added)
  • Initial Release