Parachutes:

  • Sustainer (estimated weight: 15.8 lbs)

    • 1 drogue: 18 inch diameter (approx 1.16 oz 18, 6.4 in^3 packing volume)

    • 1  main: 48 inch diameter (approx 7.5 oz, 41.5 in^3 packing volume) 

  • Booster (estimated weight: 103 lbs)

    • 1 drogue: 36 inch diameter (approx 3.3 oz, 18 in^3 packing volume)

    • 1 main: 96 inch diameter (approx 25 oz, 139.5 in^3 packing volume)

  • Goal terminal velocity: 30 ft/sec, main parachute Cd: 2.2

  • Research on parachute manufacturers:

    • The Rocketman (most viable alternative)

      • https://the-rocketman.com/

      • many different options with appropriate sizes

        • “standard”, “Rocketman High Performance CD 2.2 Parachutes”, ultra light options, etc.

        • also offers customization/modifications

      • apparently has been used by Harvard, Yale, Berkeley, Caltech, etc. before

      • standard 8 ft: $75.50, 4 ft: $50.50

      • “high performance” 8 ft, $260, 4 ft: $115

        • lines: 250 lbs flat nylon

      • ultra light high performance 96”: $470, 48”: $155.07

        • 200 lbs Spectra coated with PTFE

    • Top Flight Recovery

    • Spherachutes

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