Sustainer and Its Cross-Section View
The 3-d drawings for the sustainer and its cross-section view can be found below.
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Figure 1: Sustainer.
Figure 2: Cross-section view of the sustainer.
Thrust Curve
Here, the thrust curve for the sustainer can be found.
Figure 3: Sustainer thrust curve.
Motor Specifications and the Nozzle
This is an M1329 motor, with a total impulse of 5.8 kNs.
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The divergence and convergence half angles are 15.0 and 60.0 degrees, respectively. A close-up 3-d drawing of the nozzle can be found below.
Simulator Files
Figure 4: Cross-section view of the sustainer nozzle.
For reference, the motor simulation file can be found here: 5.8KNs_M1300_24in.ric
Grains
The propellant used in both motors of the rocket is the Cherry Limeade.
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- Bates: This grain has a core diameter of 0.75 in, with an outer diameter of 2.56 in and a length of 8.0 in. It has a mass of 2.285 lbs.
- Bates: This grain has a core diameter of 0.85 in, with an outer diameter of 2.56 in and a length of 8.0 in. It has a mass of 52.827 224 lbs.
3. Finocyl: This grain has a cire diameter of 10.3 85 in, with 4 fins. Each fin has a width of 0.25 20 in and a length of 0.85 65 in. The outer diameter of the grain is 32.56 in with a total length of 108.0 in. It has a mass of 41.713 968 lbs.
Simulator Files
For reference, the motor simulation file can be found here: 5.8KNs_M1300_24in.ric