README.md

N4 rocket portal

Specification

Rocket	N-4 (Names TBD)
Airframe material	Fibreglass
Length	254 cm
External diameter	109 mm
Dry mass	13.1 kg
Total mass	25.8 kg
Simulated apogee	3,540 m
Propellant	KNSB
Simulated total impulse	8,315 [N•s] (M2410 motor)

General information

Component	Link
Rocket measured data
Rocket photos

Airframe

Component	Link
OpenRocket simulation file
Airframe CAD data
3D Print data (Nose cone, launch lugs)
Avionics bay design data
Parachute design data
Fin design data

Recovery

Component	Link
Flight computer PCB design (Wifi-based. 3 of 4 N-3 rockets use this design)
Flight computer PCB design (LoRa-based. 1 of 4 N-3 rocket uses this design)
Ejection PCB design
Flight computer firmware
Ground station dashboard

Propulsion

Component	Link
Solid rocket motor design calculation
OpenMotor simulation file	link
Casing CAD data	link
Casing drawing	link
Nozzle CAD data	link
Nozzle drawing (No mounting holes)
Bulkhead CAD data
Bulkhead drawing (No mounting holes)
SRM casting video

Static test stand

Component	Link
Ignitor design
Ignition circuit design data
Ignition controller PCB design data
Ignition controller firmware
Static test stand design calculation
Static test stand CAD data

Testing

Component	Link
Static test data
Static test videos
Pop test data
Pop test video
Parachute test video
Drone test data

Launch preparation documents

Component	Link
Launch procedure
Dry run
Participants list

Launch data

Component	Link
Sensor telemetry data
Video from onboard camera
Photos for launch