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The team has built a variety of nozzles in various sizes over the years. Known examples are linked below
| Nozzle | Outer Diameter | Throat | Fate |
|---|---|---|---|
| All American Nozzle | 54mm |
| 13 x 54mm firings. Flew on Zach B's All American at MDRA August 2016. Survives in lab | |
| 1G Z-Nozzle | 98mm |
Cracked during Characterization Static Fire #2, previously survived 6 98mm firings. | ||
| 4G Z-Nozzle | 98mm |
Undetected Stress Concentrator broke the nozzle during XB-98-4G #1 | ||
| 4G Z-Nozzle Rev 2 | 98mm |
| New design survived RUD of XB-98-4G #2 and successfully fired during XB-98-4G #3 and OW-98-FIN1, broken during removal from case after finocyl test | |||
| Characterization Nozzle #1 | 3.62 in | .42 in | Destroyed during Characterization Static Fire #1 |
| Characterization Nozzle #2 | 3.62 in | .42 in | Survives in lab. Unused, will probably RUD if you use it. |
| Characterization Nozzle #3 | 3.62 in | .48 | An angry lathe ate this nozzle when it was parted off. A little dinged on the edges. |
| Characterization Nozzle #4 | 3.62 in | .5 in | No diverging section. Used for Characterization Static Fire #5 |
| 152mm Nozzle Insert #1 | 5.01 in | 1.357 in | Successfully fired in OW-152-4G #1 but cracked after firing, rendering it unusable for future tests |
| 152mm Nozzle Insert #2 | 5.01 in | 1.150 in | Successfully fired in OW-152-4G #2 |
| 152mm Nozzle Insert #3 | 5.01 in | 1.655 in | Fired on OW-152-8G #1. Failed axially at T+2.9s |
| 152mm Nozzle Insert #4 |
| Fired on OW-152-8G #2 | |||
| 152mm Nozzle Insert #5 |
| Flown on Hermes Flight 1 | |||
| Medusa Nozzles |
| Being used in the experimental P-Motor. Yet to be fired |
O-Ring Gland Calculations:
https://www.applerubber.com/oring-gland-calculator/
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