Larix Volans - Level 1 Cert Rocket

Built: 2018-12-07 to 2018-12-13

“The flying larch”

Build specifications

Core specifications	-
Final weight (no payload, no motors)	993 g
Fin thickness	0.16 cm
Fin material	G10 fiberglass
Fin adhesive	DevCon 2-Ton epoxy
Body material	QT
Body adhesive (for bulkheads, couplers, mount points)	DevCon 2-Ton epoxy
CP (from nose)	122 cm
Recovery method	single main parachute
Recovery - Drogue trigger	N/A
Recovery - Main trigger	motor delay ejection
Recovery protection	piston eject

Aerotech H123W	-
Motor	Aerotech H123W-10
Launch weight	1271 g (12.5 N)
Average thrust-to-weight ratio	9.8
Predicted rail exit velocity (6ft rail)	20 m/s
Electronics	custom - telemetry (917MHz)/recording only (no flight operations)
CG (from nose)	96.3 cm
Stability	4.47 cal

motor
- motor assembled
- motor installed and retainer tight
payload
- battery attached
- attach electronics to computer, erase flash
- detach electronics from computer, attach to sled
- electronics switch battery power on
- electronics sled installed in payload bay
- nosecone attached (3 screws)
- computer receiving and storing data
- computer displaying data
- handheld receiver preamp on
- handheld receiver displaying data updates
recovery
- parachute opened and inspected
- lines even and untangled
- piston moves freely
- parachute folded, lines wrapped
- shock cord lightly wound and in tube
- parachute in tube
- payload tube inserted into main
- passes shake test
launch prep
- igniter inserted and retained
- igniter attached to launch control
- computer receiving and displaying data updates
- handheld receiver displaying data updates
launch
post-recovery
- handheld receiver displaying data updates
- remove nosecone (3 screws)
- turn off electronics
- download full data to computer

Based on the PML Phobos 38mm kit, minimal modifications.