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S.A.S Module

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This article is about the S.A.S Module in the demo. For the the renamed part since 0.21, see Inline Reaction Wheel.
S.A.S Module
Part image
SAS module by
O.M.B. Demolition Enterprises
Radial size Small
Cost (total) 600.00 Fund
Mass (total) 0.07 t
Drag 0.2
Max. Temp. 3400 K
Impact Tolerance 9 m/s
Research Unknown
Unlock cost {{{unlock cost}}} Fund
Since version 0.7.3
Part configuration sasModule
Torque 10
Integral 0.0
Proportional 5.0
Derivative 3.5

The S.A.S Module is a toggleable module that provides SAS functionality, a sort of Autopilot to stabilize and help keep a rocket on course. It is one of the parts featured in the demo version of the game.

Description

SAS: Stability Augmentation System, Spin Auto-Stabilizer, Sickness Avoidance Solution. Whatever you choose to call it, it makes the ship stop spinning around.

O.M.B. Demolition Enterprises

Usage

S.A.S modules do not have to be placed anywhere in particular to function. However, it will cease to function if jettisoned. They appear to function on a stability:mass ratio, and the effect can be enhanced by adding additional S.A.S. modules. Often a single S.A.S. module isn't enough.

Each S.A.S module adds 0.07 to the mass of your ship; if you require a lot of S.A.S modules to get a large ship off the ground, consider dropping them with your earlier stages when you no longer need them.

Changes

0.18
  • Retextured
  • (Undocumented) Mass reduced from 0.8 to 0.07, cost reduced from 2300 to 600
  • (Undocumented) Torque increased from 10 to 20, Ki/Kp/Kd changed from 1.0 / 3.0 / 5.0 to 0.0 / 5.0 / 3.5
0.11
  • (undocumented) SAS now use angular momentum instead of angular velocity - takes into account inertia momentum of the ship [1]
0.9
  • (undocumented) Tweaked Kd, Ki and Kp parameters
0.8.5
  • Exposed Kd, Ki and Kp parameters for tuning the SAS module
0.8
  • SAS toggle with T key
0.7.3
  • Initial Release