DEMO-1 · committed

Demo-1

Sensor qualification flight

Ready to build

Fly a custom Ø40 mm circular sensor stack inside the Andromeda payload bay, logging IMU, magnetometer, barometer, and GPS through boost, coast, apogee, and recovery.

Andromeda leaving the rail on a G80-7T, Florida sky behind the flame — Andromeda · Demo-1 carrier · G80-7T

Andromeda igniting on the rail, flame and smoke on the blast plate — Ignition

Andromeda IV on the pad, US flag and BAS markings — Andromeda IV on the pad

Andromeda IV on the rail, black nose cone and roll pattern — On the rail

Vehicle: BAS Andromeda
Class: Medium power
Motor: AeroTech G80-7T
Apogee: ~1,700 ft
Vmax: ~250 mph
Sweet-spot: ~260 g
PCB: Ø40 mm · 4 boards · 30.4 mm
Avionics mass: ~62 g
Log rate: 200 Hz
MCU: STM32F405 · FreeRTOS

Validates

Custom PCB design and assembly — KiCad to JLCPCB to hand assembly
STM32F405 + FreeRTOS under real flight vibration and acceleration
ICM-42688-P IMU, MS5611 barometer, MMC5983MA magnetometer, u-blox NEO-M10S GPS
200 Hz binary logging to FatFS — the same pattern KEEL-1 inherits

Form: Andromeda · G80-7T
Mass: ~137 g payload
Budget: $331–$456
Timeline: Months 1–4