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Rocket Motors

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Castor 120
Castor IV
RSRM
SRMU
Star 37
Star 48
Star 63

   Star 37 - Specifications
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Motor Performance

 

STAR 37FM

STAR 37XFP

Image:

star37fm.gif

star37xfp.gif

Propellant Designation 

TP-H-3340

TP-H-3340
Propellant Formula:

AP - 71%Al - 18%HTPB Binder - 11%

 AP - 71%Al - 18% HTPB Binder - 11%

Propellant Configuration:

Internal-burning,8-point star

 Internal-buring, radial-slotted

Average Thrust (vacuum):

10,625 lbf47.26 kN

 8,550 lbf38.03 kN

Chamber Pressure: (Pc)

540 psia

527 psia 

Effective Isp (vacuum):

289.8 sec

290.0 sec

Burn Time

62.7 sec

66.0 sec

Total Impulse

685,970 lbf-sec3051.3 kN-sec

570,450 lbf-sec2537.5 kn-sec

Nozzle Area Ratio:

43.0

48.7 

Gimbal Capability:

None

None 

Motor Loaded Mass:

2530.8 lb1148.0 kg

2107.1 lb955.8 kg

Maximum Propellant Load

2350 lb1066 kg

1948.2 lb 883.7 kg

Motor Burnout Mass:

162.5 lb73.7 kg

140.3 lb63.6 kg

Engine Size:    Length / Width

66.5 in / 36.8 in168.9 cm / 93.5 cm

59.15 in / 36.73 in150.2 cm / 93.3 cm

Flight Status

Production

Production 

Mission(s):

 FLTSATCOM

GPS, RCA SATCOM 

* Engine performance from Thiokol product data sheet and web page.


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