Rocketry

Organizations
	Aero-Pac	Association of Experimental Rocketry of the Pacific
	ARSA	Amateur Rocketry Society of America
	CAR	Canadian Association of Rocketry
	ESA	The European Space Agency
	IEAS	International Experimental Aerospace Society
	NAR	National Association of Rocketry
	NASA	The National Aeronautics and Space Administration
	RRS	Reaction Research Society, for amateur experimental rockets only
	TRA	Tripoli Rocketry Association
Vendors & Manufacturers
	Aerocon Systems	Rocketry Supplies & Resources for Inventors & Experimenters
	Aerospace Specialty Products	Micro to high power rocket kits, & supplies
	AeroTech Consumer Aerospace	Mid to high power rocket engines, kits, & supplies
	Animal Motor Works	54, 75, 98mm motors, reloads, & supplies
	Apogee Components	Model & high power kits, engines, supplies, & software
	Art Applewhite Rockets	Micro to high power rocket engines, kits, & supplies
	Binder Design	High-Power kits, & accessories
	Black Sky	High-Power kits, supplies, & accessories
	Commonwealth Displays	Motors, Kits, Supplies, Online Catalog
	Discount Rocketry	Motors, Kits, Supplies, Online Catalog
	Dr. Rocket	29, 38, 54, 75, 98mm motors & supplies
	Ellis Mountain Rocket Works	29, 38, 54, 75, 98mm SU engines, motors, reloads, & supplies
	Estes Industries	Model rocket engines, kits, & supplies
	High Power Rocket Technologies	Canadian source for high power kits, engines, supplies
	HyperTEK Hybrids	High power hybrid rocket systems, a subsidiary of Cesaroni Technology Inc.
	Launch Pad, The	Extensive line of military scale mid-power rocket kits
	LOC Precision	1" to 7.5" mid to high power rocket kits, parts, & supplies
	Loki Research	38, 54, 76, 98, 114, 152mm motors & supplies
	Magnum Rockets	Motors, Kits, Supplies, Online Catalog
	Maximum Thrust Rocketry	2.5" to 11.5" Rocket Kits, Supplies, Online Catalog
	Missile Works	Model, mid, high power, Kits, Supplies, Online Catalog
	Ozark Propulsion Labs	Experimental Solid Rocket Supplies, Online Catalog
	Public Enemy Rockets	3" & 4" High-Power Rocket Kits
	Public Missiles	High-Power Kits, Supplies, Online Webstore
	R.A.T.T. Works	High-Power Hybrid Rocket Motors
	RCS Rocket Motor Components	24, 29, 38, 54, 98mm motor making supplies
	Rocket High	Experimental rocket kits, & supplies
	Rocketman Enterprises	High-Power rocket kits, supplies, & videos
	Rocketmotion	High-Power rocket kits, motors, & supplies
	Rocket R&D	Mid to High-Power rocket kits, & supplies
	Smokin Rockets	6" & 7.5" High-Power rocket kits, & supplies
	U.S. Rockets	18, 24, 29, 38, 54, 75, 66, 98, 101, 152mm kits, parts, engines, & supplies
Software
	Burnsim	Solid propellant rocket motor performance prediction
	Rocksim	Model Rocket Design & Simulation
	Spacecad	Model Rocket Design & Simulation
Information & Publications
	CP Technologies	Wickman Spacecraft & Propulsion Company
	Encyclopedia Astronautica	Online information on everything space and rocketry
	Extreme Rocketry Magazine	High Power & Experimental Rocketry Monthly Publication
	Gates Brothers Rocketry	High Power Rocket Projects & Photos
	Max Thrust	Model & High-Power Rocketry News & Information
	Rocketry News	Online information for hobby rocketry
	Rocketry Online	Online information for hobby rocketry
	Rocketry.Org	Online information for amateur rocketry
Definitions
	Engine Classes	The impulse range of rocket engines from 1/8 A to HH
	Model Rockets	Rockets using engines size D and below
	Mid-Power Rockets	Rockets using engines size E, F, & G
	High-Power Rockets	Rockets using engines size H and above
	Amateur Rockets	Rockets/engines not conforming to NAR/Tripoli (ie. metal body, liquid fuel)
	Experimental Rockets	Rockets/engines that are mostly or completely scratchbuilt
	Level 1 Certification	NAR/Tripoli rating for a successful flight using a H or I engine.
	Level 2 Certification	NAR/Tripoli rating for a successful flight using a J, K, or L engine.
	Level 3 Certification	NAR/Tripoli rating for a successful flight using a M, N, or O engine.
	Engine	A complete single use solid rocket engine
	Grain	Segment of a solid rocket engine propellant
	Motor	Reusable rocket engine hardware
	Reload	Propellant for a rocket motor of 1 or more grains, nozzle, delay charge