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Rocket Motors

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Castor 120
Castor IV
RSRM
SRMU
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   Solid Rocket Motor Upgrade (SRMU) - Specifications
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Motor Performance

Solid Rocket Motor Upgrage

Propellant 

 88% HTBP

Propellant Segments:

3

Average Vacuum Thrust:

1,700,000 lbf 771,107 kN

Chamber Pressure: (Pc)

 1260 psia

Effective Isp (vacuum):

285.6 sec

Burn Time

137.8 sec

Total Impulse

234,260,000 lbf-sec 1,042,040 kN-sec

Nozzle Area Ratio:

16 

Gimbal Capability:

±6 degrees

Motor Loaded Mass:

770,000 lb 349,266 kg

Maximum Propellant Load

688,000 lb 313,000 kg

Engine Size:     Length / Width

112 ft / 10.5 ft 34.1 m / 3.2 m

Flight Status

Production

Mission(s):

 Titan IVB

  * Engine performance from Alliant web page.


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