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The ProtoSShot-M Mark III motor:
- Diameter: 3.5" (89 mm)
- Length: 79.5" (2019 mm)
- Dual phase (2 burns separated by a delay)
- Design burn time: 2.54 + 10 s.delay + 2.60 s.
- Design impulse: 13132 N-s. ("N-Class")
- Propellant Type: KNSB (potassium nitrate / sorbitol)
- Propellant load: 23.12 lbs. (10.485 kg.)
Info from Richard Nakka.