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Just machined bulkheads / centering rings and nose cone shoulder from Delrin® Acetal Resin. It was selected due to the following properties: Moisture resistance Wear-resistants Ability to hold tight tolerances High strength and rigidity Maintainability On the down side, we failed to find a...

I'm having trouble getting OR to open. I've gone into OR Properties and set it to "Allow executing files as program." still nothing. What am I missing?

With WP support ending, I decided to look into alternatives. So rather than $120-$200 to update XP to Win 8.1, I decided to look into Linux. So far, the more I look, the more I like. There’s even a full blown Office that’s nearly indistinguishable from MS Office. The only missing piece is...

The Red Max, MARK II, A-20 Demon and renegade were perhaps my favorite rockets as a kid. So about a year ago, I decided to upscale all four at the same time. I sat down with my favorite program, Open Rocket, and commenced with the work. All of the rockets were originally scaled at 1:1, then...

I hear that if you capture one, he has to give you his keg of beer.

I love the snow:

Terminal Supply carries a wide range of connectors, wire and terminals https://terminalsupplyco.com/default.aspx Many of us are familiar with Molex connectors https://terminalsupplyco.com/Store/Default.aspx?CAT=TERM090&PCAT=61820#Categories Delphi& Packard, including Weather Pack &...

Ok, Top Ramen started a thread for Cats and Rockets. So we need one to honor Man’s Best Friend. Meet Koji the rocket dog. This guy loves to fly rockets. He gets excited when he hears the continuity tone, and when the rocket takes off he follows it. It won’t be lost either...

https://www.youtube.com/watch?v=t039p6xqutU

Another thread got me thinking about my old Estes Mark II that I built in 1971. It cost a whopping $1.00. Here’s a link from Ninfinger of the 1971 Estes Fall Catalog.https://www.ninfinger.org/rockets/catalogs/estes712/712est56b.html It’s not my first rocket, lost that one on it’s first...

This is NOT my paint room. My paint room has no ventilation, and only humidity control. No, this paint room belongs to a friend of mine who's in the Automotive Repair Biasness. It's both temperature and humidity controlled, well lit, and even on low speed, the fans make a respirator...

I’ve been leading a 4-H Aerospace club for a few years now, and the rockets these kids build continue get bigger each year. Last year, my daughter wanted to build a Pterodactyl Jr. as her project, and I didn’t want to spend that much on a rocket that she would refuse to fly. So we...

Did anyone get pictures or video of the night launch? Specifically looking for pics and vid of Nuclear Fallout.

At what altitude do I need to be concerned with venting the airframe?

I wanted to score a Pro Series II Nike, but all they had was a Leviathan. All the Pro Series II engines about $16. Not sure if this a good deal, but thought I’d pass it on. You can get the 40% discount coupon here: https://hobbylobby.com/weekly/weekly.cfm Clearance items are 50%...

The following technique for finishing a rocket is not for everyone. For that matter, it may not be for anyone. Introduction: Shortly after I became hooked on model rocketry, I began to question the value of finishing my rockets with Testors enamel and a brush. Occasionally I would get my...

My daughter wanted to build “something different” for 4-H this year. We started playing with ideas last September. By March, she had the electrical system mocked-up for testing. By the end of May the entire rocket was assembled without finish, and on July 11 it was finished...

I bought a Bad Azz Myzztic about a year ago. Thought it would be neat to have a night launcher. The kit was missing a part used to tether the nose cone base to the chock cord. no biggie, I substituted some Kevlar ribbon cannibalized from a worn out cruise control unit. The Myzztic is an...

I bought a Bad Azz Myzztic about a year ago. Thought it would be neat to have a night launcher. The kit was missing a part used to tether the nose cone base to the chock cord. no biggie, I substituted some Kevlar ribbon cannibalized from a worn out cruise control unit. The Myzztic is an...