S3 KS-25 "Vector" Liquid Fuel Engine/Box

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S3 KS-25 "Vector" Liquid Fuel Engine
Part image
Liquid fuel engine by
Kerbodyne
Radial size Medium
Cost (total) 18 000.00 Funds
Mass (total) 4.00 t
Drag 0.2
Max. Temp. 2000 K
Impact Tolerance 20 m/s
Research Tech tree very heavy rocketry.png Very Heavy Rocketry
Unlock cost 115 000 Funds
Since version 1.0.5
Part configuration SSME
Maximum thrust (1 atm) 936.51 kN
(vacuum) 1 000.00 kN
Isp (1 atm) 295 s
(vacuum) 315 s
Fuel consumption 64.74 Units of fuel/s


Thrust vectoring 10.5 °
Testing Environments
On the surface ✓ Yes
In the ocean ✓ Yes
On the launchpad ✓ Yes
In the atmosphere ✓ Yes
Sub orbital × No
In an orbit × No
On an escape × No
Docked × No
Test by staging ✓ Yes
Manually testable ✓ Yes