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Future efforts could faster-burning igniters (pyrogen or BKNO3), higher surface area propellants (pixie dust), or additional mechanical retention. While chuffing represents a minor issue on this flight, successful, rapid, and complete ignition is a necessary technical milestone for multistage flight. Care must still be taken to not over-pressurize the case or clog the nozzle with a large igniter.
Recovery
For a complete Recovery analysis, please visit the Hermes I Recovery Analysis.
The Telemetrum was configured as the primary altimeter, and the Raven was configured to fire 2 seconds after the Telemetrum for drogue, and 500 ft lower for the main. This was seen reflected in the post flight data.
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