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RequirementDescriptionComponentCompliance
3.1Dual Deploy CONOPSArchitectureVehicle is Single-Separation Dual-Deploy
3.1.1Apogee EventAvionicsSystem can accurately detect Apogee
3.1.1Drogue Descent RateDGB ParachuteDescent velocity is between 75-150 ft/s. Compliance is TBD
3.1.2Main EventAvionicsEvent Shall be no higher than 1500 ft AGL. Exemption Obtained. 2,000 ft AGL acceptable for larger parachute
3.1.2Main Descent RateMain ParachuteLanding velocity is less than 30 ft/s.
3.1.4Torsion ReliefSwivelsSwivels are implemented to relieve recovery system to airframe torsion
3.1.5Drogue ColorDGB ParachuteDrogue is orange and white
3.1.5Main ColorMain ParachuteMain Is red and black.
3.5 (4.0)Energetic DevicesFireboltTBD
3.5 (4.0)Energetic DevicesTender DescenderTBD
3.6Testing ComplianceProceduresEHS and MIT Facilities procedures followed during all testing
3.6.1Successful Ground TestArchitectureFlight components have a successful ground test prior to flight
3.6.2Successful Flight TestArchitectureFlight Test Indefinitely Postponed
4.2SRAD Pressure VesselPistonTBD
6.2.2Recovery Attachment PointsU-BoltsU-bolt made of steel other than stainless steel

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The design considerations associated the Hermes recovery system are summarized in the following pages:

Procedures

Testing

Component Level Testing

Ground Testing

A general description of ground tests can be found here.

Analysis

Failure Tree