Difference between revisions of "Small Inline Reaction Wheel"

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This is the default config file for the S.A.S Module
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{{:Inline Reaction Wheel/Box}}
<nowiki>// this is a sample config file, for determining a good file format for defining part parameters
 
// comment line - ignored by cfg parser
 
// empty lines, or lines without a '=' sign are also ignored
 
// all other lines are split at the '=' sign, and the left operand is used to know what parameter we are setting
 
// diferent parameters require data in different formats (see docs), and each module has it's own parameters (again, see docs)
 
// each assignment must be in a single line. Lines without assignments will be ignored. (You CAN turn on word wrap, though)
 
// each keyword here relates to an existing variable in the assigned module. If the keyword isn't found, it is ignored.
 
// conversely, if a keyword is left unassigned (as in not in the file), it will be initialized with it's default value
 
// This is done automatically, so any public variable defined in the loaded module can be accessed this way (provided it's value can be parsed)
 
  
  
// --- general parameters ---
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The '''Small Inline Reaction Wheel''' (previously named '''Inline Reaction Wheel''') is a toggleable [[reaction wheel]] that provides torque to a craft.  Extra torque means that the player's spaceship will rotate faster when ordered to, resulting in a more nimble feel to the craft.  The Inline Reaction Wheel is the 'Tiny' size reaction wheel.
name = sasModule
 
module = SASModule
 
author = Il Carnefice
 
  
// --- asset parameters ---
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== Usage ==
mesh = sasModule.DAE
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{{quote|The placement does matter for [[reaction wheel]]s. Generally speaking they can cause some problems if placed far from the [[center of mass]]. Imagine you are grabbing that point and rotating it. That is what the reaction wheels will try to do. You'll get offcenter rotation anywhere other then near the [[Center of mass|COM]].|[http://forum.kerbalspaceprogram.com/entries/740-Updated-Information-on-SAS-in-0-21-1#comment_4254 comment] by C7, in his blog entry “[http://forum.kerbalspaceprogram.com/entries/740-Updated-Information-on-SAS-in-0-21-1 Updated Information on SAS in 0.21.1]”}}
scale = 0.1
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However, this is not actually correct with rigid spacecraft. A reaction wheel should provide the same torque regardless of placement. However, off-center reaction wheels will cause very long vehicles, especially with docking ports, to bend, which can cause instability.
texture = sas_main.png
 
specPower = 0.1
 
rimFalloff = 3
 
alphaCutoff = 0.5
 
  
// --- node definitions ---
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== Product description ==
// definition format is Position X, Position Y, Position Z, Up X, Up Y, Up Z
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{{Quote|The inline reaction wheel system uses a series of spinning discs that are going "Very Fast", to generate the torque necessary to control a spacecraft without wasting any propellant. Please do not attempt to service this device while it is running.|manufacturer=SEC}}
node_stack_bottom = 0.0, -2.84541, 0.0, 0.0, 1.0, 0.0
 
node_stack_top = 0.0, 2.47453, 0.0, 0.0, 1.0, 0.0
 
  
// --- FX definitions ---
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== Trivia ==
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* The small inline reaction wheel seems to resemble HAL 9000 from the 1968 movie ''2001: A Space Odyssey''.
  
 +
== Changes ==
 +
;[[0.90]]
 +
* No longer has any SAS functionality - only provides torque
 +
;[[0.25]]
 +
* Renamed “Inline Reaction Wheel” into “Small Inline Reaction Wheel”
 +
* Resized model and [[radial size]] from small to tiny
 +
* Mass decreased from 0.12 to 0.05
 +
* Torque decreased from 8 to 5
 +
* Required electricity decreased from 24.0/min to 15.0/min
 +
;[[0.24]]
 +
* Mass decreased from 0.3 to 0.12
 +
* Torque decreased from 20 to 8
 +
;[[0.21.1]]
 +
* Increased torque (3 → 20)
 +
* Mass decreased from 0.5 to 0.3
 +
;[[0.21]]
 +
* Renamed from “S.A.S Module” into “Inline Reaction Wheel”
 +
* Mass increased from 0.07 to 0.5
 +
* Costs electric charge
 +
;[[0.18]]
 +
* New model and texture
 +
* (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 [http://forum.kerbalspaceprogram.com/index.php?topic=2905.msg31614#msg31614 ]
 +
;[[0.9]]
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* ''(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 {{Key press|T}} key
 +
;[[0.7.3]]
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* Initial Release
  
// --- editor parameters ---
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== Notes ==
cost = 2300
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<references />
category = 1
 
subcategory = 0
 
title = S.A.S Module
 
//manufacturer = O.M.B. Demolition Enterprises
 
description = SAS: Stability Augmentation System, Spin Auto-Stabilizer, Sickness Avoidance Solution. Whatever you choose to call it, it makes the ship stop spinning around.
 
  
// attachment rules: stack, srfAttach, allowStack, allowSrfAttach, allowCollision
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{{Parts}}
attachRules = 1,0,1,1,0
 
  
// --- standard part parameters ---
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[[Category: Reaction wheels]]
mass = 0.8
 
dragModelType = default
 
maximum_drag = 0.2
 
minimum_drag = 0.2
 
angularDrag = 2
 
crashTolerance = 9
 
maxTemp = 3400
 
 
 
// --- SAS parameters ---
 
 
 
maxTorque = 10
 
 
 
// ----- DO NOT EDIT BELOW THIS POINT ------
 

Latest revision as of 00:36, 12 July 2021

Small Inline Reaction Wheel
Part image
Stability Augmentation System by
Found lying by the side of the road

Radial size Tiny
Cost (total) 600.00 Funds
Mass (total) 0.05 t
Drag 0.2
Max. Temp. 2000 K
Volume  ?
Impact Tolerance 9 m/s
Research Tech tree advanced flight control.png Flight Control
Unlock cost 3 200 Funds
Since version 0.7.3
Part configuration inlineReactionWheel.cfg
Pitch torque 5.0 kN·m
Yaw torque 5.0 kN·m
Roll torque 5.0 kN·m
Electricity required for torque
0.050
s·kN·m
SAS level × None


The Small Inline Reaction Wheel (previously named Inline Reaction Wheel) is a toggleable reaction wheel that provides torque to a craft. Extra torque means that the player's spaceship will rotate faster when ordered to, resulting in a more nimble feel to the craft. The Inline Reaction Wheel is the 'Tiny' size reaction wheel.

Usage

The placement does matter for reaction wheels. Generally speaking they can cause some problems if placed far from the center of mass. Imagine you are grabbing that point and rotating it. That is what the reaction wheels will try to do. You'll get offcenter rotation anywhere other then near the COM.

comment by C7, in his blog entry “Updated Information on SAS in 0.21.1

However, this is not actually correct with rigid spacecraft. A reaction wheel should provide the same torque regardless of placement. However, off-center reaction wheels will cause very long vehicles, especially with docking ports, to bend, which can cause instability.

Product description

The inline reaction wheel system uses a series of spinning discs that are going "Very Fast", to generate the torque necessary to control a spacecraft without wasting any propellant. Please do not attempt to service this device while it is running.

STEADLER Engineering Corps

Trivia

  • The small inline reaction wheel seems to resemble HAL 9000 from the 1968 movie 2001: A Space Odyssey.

Changes

0.90
  • No longer has any SAS functionality - only provides torque
0.25
  • Renamed “Inline Reaction Wheel” into “Small Inline Reaction Wheel”
  • Resized model and radial size from small to tiny
  • Mass decreased from 0.12 to 0.05
  • Torque decreased from 8 to 5
  • Required electricity decreased from 24.0/min to 15.0/min
0.24
  • Mass decreased from 0.3 to 0.12
  • Torque decreased from 20 to 8
0.21.1
  • Increased torque (3 → 20)
  • Mass decreased from 0.5 to 0.3
0.21
  • Renamed from “S.A.S Module” into “Inline Reaction Wheel”
  • Mass increased from 0.07 to 0.5
  • Costs electric charge
0.18
  • New model and texture
  • (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

Notes