Adrian

are there any repositories of known HPR webshops? I'm considering the possibilities of starting yet another HPR-based web business, and the next step is estimating the cost of advertising. www.rocket...

Mine will be similar, at 18"x18"x6'. I'm concerned about not having enough convection for mine, too. You may want to do an experiment with the thermometer at different places. Where did you get you...

What are you using for a heat source, and do you have a fan in your oven? I'm building an oven now, myself, and I'm working on rigging up an external motor that turns an internal fan blade.

You should cure Aeropoxy at a temperature that is close to the service temperature you're planning to use, if you want it to have full strength when it's hot. I have post-cured Aeropoxy to 225 in my ...

Wow, that's some careful painting.

Uh oh... called to the principal's office again.

Somebody needs to tell these guys about AltusMetrum, or for that matter any reasonably high frequency GPS logger. Has to be a way to certify and doesn't require someone to stand in front of a flying ...

Welcome, and thank you!

Thanks, Joe.

With the December launch canceled, is the annual meeting our next get-together? When is it? Is there a January launch planned? If so, it's not on the CO rocketry calendar.

Getting back to the original topic.... Adrian: I appreciate your perspective and insight on this mission. It's interesting to hear about the pros & cons of the various approaches. But, even spea...

The U.S. is borrowing (currently with an interest rate of about 2%, pretty much the same as the inflation rate, so zero real cost) 39% of what it is spending. We went from a surplus at the end of the...

If it doesn't work, you can blame me for part of that. When I was working on the Mars Exploration Rovers at the Jet Propulsion Laboratory, I got frustrated with how inefficient the airbag system was, ...

Thanks again for posting your list, Rockoon. Different people get hooked on rocketry for different reasons. For me, the idea of flying a rocket higher than anyone else has flown for that motor class ...

I share My 'Rocket Room' With: Washer/Dryer. Three Cats. Furnace.Hot Water Heater. Computer. All my rockets have cat hair someplace in the paint, or glue. It mayjust make them stronger. Great MOON ou...