Design

Sustainer: single separation, dual deploy

Booster: single separation, single deploy

 

Parachutes

Requirements:

  1. Shall deploy at apogee (Booster Main, Sustainer Drogue) or 2000 ft. (Sustainer Main)
  2. Shall bring the rocket down at safe descent velocity (Note: Phoenix requirements state that hardware should be able to survive 30 ft/s impact)
  3. Shall withstand inflation loads

Material:

Ripstop nylon (COTS from Fruity Chutes)

Risks:

Parachute Selection:

 Diameter (ft.)Drag CoefficientDescent Velocity (ft/s)
Booster Main52.215
Sustainer Drogue1.51.670
Sustainer Main42.220


Parachute Packing Procedures

Deployment Bags

Deployment Bag Procedure

Lines

line lengths sheet: https://docs.google.com/document/d/1SKiAfh83ogKPZqLmz7E7ntsD3G2yFT4Yhq7cu9cdZG4/edit?usp=sharing

line construction procedures: Insertion Joints

Lines Diagram

Phoenix Lines Diagram