Thermals are warm air rising from the ground. Wind can move them, but you need the ground to heat up. Different things heat up more than others, bare dirt or rock heat up good. So does concrete, but i

The good news is that I posted some pictures from the May 14 launch at cia-rocketry.smugmug.com/Local-Launches. The bad news is that AeroTech has raised prices about 6% effective immediately. Christop

Make sure they are the recalled lot number. Then, you can either contact AeroTech customer service, or I can replace them at our next launch.

AeroTech has issued a recall on G80T-14A motors, lot #121321. I don't think I have sold any, but check to make sure if you have any G80T-14A's.

Cia-rocketry.smugmug.com/Local-Launches/2022-Launches/March-272022-CIA-launch-at-Forsyth Christopher Brian Deem NAR 12308 TRA 2256 level 2 Sent from Mail for Windows 10

Over the years, the general consensus among people has been to use a 4 inch diameter rocket on a 29mm motor. Low, and slow, altitude somewhere around 1000 feet. And, if don't already have one, I highl

#Tech

When you decide on a rocket, let me know. I have single use H motors in 29mm and 38mm . The cert form is on the NAR website.

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Yuri has been dead for 54 years. The title of the article was poorly written, it made it sound like Yuri removed his name, not the organizers of the event.

Don't build it stock. Leave out the shock cord anchor that goes in the motor tube, and the stainless steel wire mesh. You might want a longer motor mount tube, leave out the thrust block, and if it ca

I posted a few pictures from Saturday’s launch at https://cia-rocketry.smugmug.com/Local-Launches/2022-Launches. Christopher Brian Deem NAR 12308 TRA 2256 level 2 Sent from Mail for Windows 10

I don't have any reload cases in stock, but I do have some single use. I can get you anything AeroTech and Quest sells. I send in 3 or 4 orders a year.

#Launch

Dodds.

Our next launch is January 22 at Dodds Park, weather permitting.

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Our next launch is January 22 at Dodds Park, weather permitting.

#Tech

What Jonathon said, however, there are single use motors H and above, so it's not necessary to use reloads. It is cheaper in the long run, especially if you fly a lot, but the initial investment can b

#Tech

Baring too much ice, I will be there

#Launch

cia-rocketry.smugmug.com/Local-Launches/2021-launches/2021-launches Christopher Brian Deem NAR 12308 TRA 2256 level 2 Sent from Mail for Windows 10

I made three flights. First, my Solar Probe saucer on an I59. The I59 burns for about 8.5 seconds, which in hobby rocketry terms is two forevers. It was a great flight, but landed out in the muddy, mu

#LaunchReport

Pictures of 5 of 6 students rockets (yes, one was really called “Pride of North Korea”) and some of our rockets are on SmugMug under Outreach and Education. https://cia-rocketry.smugmug.com/Outreach-E

https:cia-rocketry.smugmug.com/Local-Launches/2021-launches/2021-launches