48-7S "Spark" Liquid Fuel Engine

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48-7S "Spark" Liquid Fuel Engine
Part image
Liquid fuel engine by
Rockomax Conglomerate
Radial size Tiny
Cost (total) 240.00 Fund
Mass (total) 0.10 t
Drag 0.2
Max. Temp. 2000 K
Impact Tolerance 7 m/s
Research Propulsion systems.png Propulsion Systems
Unlock cost 2800 Fund
Since version 0.21
Part configuration liquidEngine48-7S
Maximum thrust (1 atm) 16.88 kN
(vacuum) 20.00 kN
Isp (1 atm) 270 s
(vacuum) 320 s
Fuel con­sumption 1.27 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 × No
In an orbit × No
On an escape × No
Docked × No
Test by staging ✓ Yes
Manually testable ✓ Yes

Originally from the KSPX parts mod, the 48-7S "Spark" Liquid Fuel Engine is the non radial version of the 24-77 "Twitch" Liquid Fuel Engine.

Usage

Like the 24-77, LV-1 Liquid Fuel Engine, and LV-1R Liquid Fuel Engine, the 48-7S is intended to propel probes and small crewed craft, using light weight command pods and small fuel tanks large amounts of delta v can be achieved with little mass. Due to its relatively high Isp and thrust to weight ratio, the 48-7S is remarkably capable in ascent, transfer, and lander roles. Its thrust to weight ratio is second only to the Kerbodyne KR-2L Advanced Engine and the S3 KS-25x4 Engine Cluster

Product description

The 48-7S may be small, but it packs quite a punch for its size. This little engine is a testament to how larger does not always means more advanced, at least according to Rockomax's marketing department. The box it comes in is pretty cool, in any case.

Rockomax Conglomerate, 1.0.2

Changes

1.2
  • De-nerfed to 20 kN and 320 specific impulse in vacuum.
  • Cost increased from 200 to 240.
1.0.0
  • Nerfed all the way down to 18kN.
0.22
  • Thrust increased from 20 to 30 kN, description changed.
0.21
  • Initial release