Reaction Wheels

Tier Legend

Tier	Meaning
⚪	Representative or theoretical wheel layout/defaults.
🔵	Wheel axis/layout and authority limits are traceable or explicitly stated.
🟣	Blue-tier information plus source-backed or clearly inferred wheel inertia or momentum data.
🟡	Purple-tier information plus source-backed actuator noise and bias/error model defaults.

Tier	Model	Factory	Documentation	Source	Missions	Notes
🟣	BRITE/SFL reaction wheel	create_sfl_reaction_wheels	Factory	GNB report	BRITE-Austria	Preliminary design values; not flight-calibrated.
⚪	CubeWheel Small+	create_cubewheel_smallplus_rw	Factory		BeaverCube 2	Layout + wheel defaults.
🟣	LightSail 2 momentum wheel	create_sinclair_interplanetary_momentum_wheel	Factory	doi:10.3390/aerospace10070579	LightSail 2	+Y wheel; inertia inferred from momentum/speed.