Ok, not airplanes but they do fly, so to avoid another thread...
Drove to Alamosa on Saturday to watch some of the National Association of Rockery's annual National Sport Launch (this year, AKA "Spudnik" as an homage to the potato farming in the area). I understand they had clearance up to 30,000 feet.
Everything from small Estes kits to, let's call 'em BFRs.
Growing up I did Estes rockets, but I didn't do kits. I always liked designing and building my own. My most complex rocket was a 2 stage with a 3 engine booster which recovered under parachute (as well as the upper stage, of course).
Engines are lettered depending on total impulse. Common small model rocket engines are A, B and C. Estes came out with a D engine shortly before I got out of rocketry. I believe I heard that there were some O engines on site for this launch event.
To give you an idea of the size of some of the rockets:
This was a prototype engine launch from one of the far pads:
This was a mid-sized (probably 3-4 feet tall) rocket launch from one of the near pads:
Looked like everyone was having a good time. I take it back, not everyone...
Lots of nerdy kids running around. Took me back...
O2






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