Advanced Reaction Wheel Module, Large

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Advanced Reaction Wheel Module, Large
Part image
Stability Augmentation System by
STEADLER Engineering Corps
Radial size Large
Cost (total) 2 100.00 Funds
Mass (total) 0.20 t
Drag 0.2
Max. Temp. 2000 K
Impact Tolerance 9 m/s
Research Tech tree large control.png Specialized Control
Unlock cost 11 600 Funds
Since version 0.17.0
Part configuration advancedSasModuleLarge
Pitch torque 30.0 kN·m
Yaw torque 30.0 kN·m
Roll torque 30.0 kN·m
Electricity required for torque
SAS level × None

The Advanced S.A.S Module, Large is a toggleable module that provides torque and SAS functionality, a sort of autopilot to stabilize and help keep a rocket on course. Since virtually every command pod in the game already provides SAS, the torque is what will interest most players. Extra torque means that the player's spaceship will rotate faster when ordered to, resulting in a more nimble feel to the craft. The Advanced S.A.S Module, Large is the size 2 reaction wheel. It is expensive, relatively heavy, and provides a very large amount of torque compared to the other reaction wheels.

Product description

After many years of research, STEADLER Corps rocket scientists discovered that Kerbal crewmembers just can't be trusted to keep a spacecraft under control. The Advanced S.A.S Module adresses that issue by correcting flight controls continuously. It is highly recommended that crewmembers are kept unaware of the presence of such a device, as experience shows that many Kerbals will see that as a 'challenge to their flying prowess'.

Before the SAS was redesigned and both ASAS module did the same thing the description said the following:

A larger-scale version of the original STEADLER ASAS module.

STEADLER Engineering Corps


  • Torque increased from 20 to 30
  • Cost reduced from 2200 to 2100
  • Reduced mass from 0.5 to 0.2 tons.
  • Added torque
  • This part only adds SAS functionality now (no torque)
  • (Undocumented) Mass reduced from 0.8 to 0.5 tons.
  • Initial Release