Difference between revisions of "Solid rocket booster"

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A '''Solid Rocket Booster''', abbr. '''SRB''', sometimes also called '''Solid Booster''', is a rocket engine powered by [[solid fuel]]. SRBs incorporate engine and fuel in a single part. Once ignited, they cannot be shut down or throttled and will burn at maximum thrust until their entire internal fuel supply is spent. Since Solid Fuel cannot be transferred between parts, a burnt-out Solid Booster cannot be reignited.
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[[File:SRB Compare.jpg|thumb|A size comparison of the available SRB parts]]
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A '''Solid rocket booster''', abbr. '''SRB''', sometimes simply called '''solid booster''', is a [[rocket engine]] powered by [[solid fuel]]. SRBs incorporate engine and fuel in a single part. Once ignited, they cannot be shut down or throttled and will burn at maximum thrust until their entire internal fuel supply is spent. Since solid fuel cannot be transferred between parts, a burnt-out solid booster cannot be reignited. Using [[tweakables]] you can decrease the amount of solid fuel in the booster or limit the amount of thrust at launch and thus decrease the burn time or twr.
  
Compared to other rocket engines, Solid Rocket Boosters offer a high thrust-to-weight ratio, but low specific impulse (fuel efficiency). Therefore they are typically used in the first stage of a rocket when the thrust is needed to get an initially heavy rocket off the ground.
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Compared to other rocket engines, solid rocket boosters offer a high [[thrust-to-weight ratio]], but low [[specific impulse]] (fuel efficiency). Therefore they are typically used in the first stage of a [[rocket]] when the thrust is needed to get an initially heavy rocket off the ground. Boosters are usually mounted on [[radial decoupler]]s so they can be jettisoned as soon as they burn out.
  
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== Available parts ==
 
The following table provides an overview of all SRBs in KSP.
 
The following table provides an overview of all SRBs in KSP.
 
{{Stats Table Solid Fuel Boosters}}
 
{{Stats Table Solid Fuel Boosters}}
  
 
== See also ==
 
== See also ==
*[[w:Solid_rocket_booster|Solid rocket booster]] on Wikipedia
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* {{Wikipedia}}
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[[Category:Parts]]
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[[Category:Solid rocket boosters| ]]

Latest revision as of 22:07, 11 July 2021

A size comparison of the available SRB parts

A Solid rocket booster, abbr. SRB, sometimes simply called solid booster, is a rocket engine powered by solid fuel. SRBs incorporate engine and fuel in a single part. Once ignited, they cannot be shut down or throttled and will burn at maximum thrust until their entire internal fuel supply is spent. Since solid fuel cannot be transferred between parts, a burnt-out solid booster cannot be reignited. Using tweakables you can decrease the amount of solid fuel in the booster or limit the amount of thrust at launch and thus decrease the burn time or twr.

Compared to other rocket engines, solid rocket boosters offer a high thrust-to-weight ratio, but low specific impulse (fuel efficiency). Therefore they are typically used in the first stage of a rocket when the thrust is needed to get an initially heavy rocket off the ground. Boosters are usually mounted on radial decouplers so they can be jettisoned as soon as they burn out.

Available parts

The following table provides an overview of all SRBs in KSP.

Solid Fuel Density is 7.5 kg/unit Mass
(t)
Fuel
(Units of fuel)
Thrust
(kN)
TWR Isp (s) Burn
(s)
Full Empty
Image Part Radial size Cost
(Funds)
Full Empty Max. Temp.
(K)
Tolerance
(m/s)
Tolerance
(g)
atm vac atm vac atm vac atm vac
RT-5 White.png
RT-5 "Flea" Solid Fuel Booster Small, Radial mounted 200
(116)
1.50 0.45 2 000 7 50 140 162.91 192.0 11.07 13.05 36.92 43.51 140 165 8.8
RT-10 White.png
RT-10 "Hammer" Solid Fuel Booster Small, Radial mounted 400
(175)
3.56 0.75 2 000 7 50 375 197.90 227.0 5.66 6.50 26.91 30.86 170 195 23.7
BACC SFB.png
BACC "Thumper" Solid Fuel Booster Small, Radial mounted 850
(358)
7.65 1.50 2 200 7 50 820 250.00 300.0 3.33 4.00 17.00 20.39 175 210 42.2
SRB.png
S1 SRB-KD25k "Kickback" Solid Fuel Booster Small, Radial mounted 2 700
(1 140)
24.00 4.50 2 200 7 50 2 600 593.86 670.0 2.52 2.85 13.46 15.18 195 220 62.8
Sepratron.png
Sepratron I Radial mounted 75
(70.2)
0.0725 0.0125 2 000 7 50 8 13.79 18.0 19.40 25.32 112.51 146.84 118 154 5.0
Mite.png
FM1 "Mite" Solid Fuel Booster Tiny, Radial mounted 75
(51.0)
0.375 0.075 2 200 7 50 40 11.012 12.5 2.93 3.33 14.68 16.66 185 210 49.44
Shrimp.png
F3S0 "Shrimp" Solid Fuel Booster Tiny, Radial mounted 150
(96.0)
0.875 0.155 2 200 7 50 90 26.512 30.0 3.22 3.65 17.1 19.35 190 215 47.44
Thorougbred.png
S2-17 "Thoroughbred" Solid Fuel Booster Large, Radial mounted 9 000
(4 200.0)
70.00 10.00 2 200 10 50 8 000 1 515.217 1 700.0 2.16 2.43 15.15 17.0 205 230 79.6
Clydesdale.png
S2-33 "Clydesdale" Solid Fuel Booster Large, Radial mounted 18 500
(8 660.0)
144.00 21.00 2 200 10 50 16 400 2 948.936 3 300.0 2.05 2.29 14.04 15.71 210 235 85.9


See also