Search found 1911 matches

by air.command
Tue Mar 12, 2019 10:07 am
Forum: Mid/High Powered Rocketry
Topic: L1 Build - Upgraded Loc IV
Replies: 26
Views: 807

Re: L1 Build - Upgraded Loc IV

Very nice! Some tips for the camera: - Throw away the lens cap. (We have a beautiful flight filmed ... all black... because we didn't notice that the lens cap was on) Or at least paint the lens cap bright orange. - Put a piece of tape over the SD card. We've had the card pop out a couple of times af...
by air.command
Fri Mar 08, 2019 7:56 pm
Forum: Mid/High Powered Rocketry
Topic: L1 Build - Upgraded Loc IV
Replies: 26
Views: 807

Re: L1 Build - Upgraded Loc IV

Very Nice build thread and great set of upgrades for the rocket! I think with that tilt switch setup, you'll be able to hear the rocket at burnout if it is not too far away by that shage. How will you access the altimeter to turn it on when it is on the pad?
by air.command
Mon Feb 04, 2019 7:58 am
Forum: Mid/High Powered Rocketry
Topic: Importance of an inner motor tube for high powered rocketry
Replies: 4
Views: 310

Re: Importance of an inner motor tube for high powered rocketry

It's a good question, and I think you could leave it out in some designs. In addition to what OTT said, some other uses for the motor mount tube (MMT) include: 1. In LPR sometimes people will friction fit the motor, and this is easier with a tube than with centering rings. The tube will also commonl...
by air.command
Thu Jan 24, 2019 10:44 am
Forum: Mid/High Powered Rocketry
Topic: Nike Apache Half-Scale Project
Replies: 95
Views: 19344

Re: Nike Apache Half-Scale Project

Sounds like the project is going along well. Really looking forward to seeing this one fly.
by air.command
Tue Dec 11, 2018 5:20 pm
Forum: Air Command Water Rockets
Topic: Flour Rockets
Replies: 5
Views: 1866

Re: Flour Rockets

Cheers guys. :D I was doing a little more research on powder rockets today, and I had no idea that there was research done in this area in the early 70's in injecting powedered propellant (rather than liquids or solids) into a combustion chamber. Here is the research paper done by Bell Aerospace. ht...
by air.command
Mon Dec 10, 2018 8:50 am
Forum: Air Command Water Rockets
Topic: Flour Rockets
Replies: 5
Views: 1866

Re: Flour Rockets

8) Water, Flour, Pyro...... Are you sure you weren't a bread Baker in a past life George.... One of the things we did discuss was that we should have had another rocket with eggs and one with sugar. To top it off a rocket filled with candles, and then a pyro rocket to cook it all and light the cand...
by air.command
Fri Dec 07, 2018 8:42 am
Forum: Air Command Water Rockets
Topic: Flour Rockets
Replies: 5
Views: 1866

Flour Rockets

Had a bit of fun launching some water rockets powered by compressed air and dry flour at the last launch of the year. :D



They do make a bit of a mess on the ground though.
by air.command
Fri Aug 03, 2018 10:58 am
Forum: Higher, Faster, Further
Topic: Vertical Trajectory System (with some 3D printed parts)
Replies: 69
Views: 35856

Re: Vertical Trajectory System (with some 3D printed parts)

The fins look great OTT! Good luck with the flight, I'm very much looking forward to the flight report. How do you think the fins will go on landing?
by air.command
Mon Jul 16, 2018 2:50 pm
Forum: Air Command Water Rockets
Topic: Horizon - 2 Stage Water Rocket
Replies: 11
Views: 25524

Re: Horizon - 2 Stage Water Rocket

Here are the next two parts of the series. Part 5 is about building a test stand to apply forces (up to 10kN) to different components before we subject them to compressed air. v5f0stjvqLE Part 6 describes the overall launcher design and also how we made the release head that holds down the entire ro...
by air.command
Fri Jul 06, 2018 2:01 pm
Forum: Scratch Built
Topic: Steampunk 1
Replies: 35
Views: 2483

Re: Steampunk 1

Sounds like a great design. I will definitely be following the build thread. :D
by air.command
Thu Jul 05, 2018 11:34 am
Forum: Self Introductions
Topic: Greetings
Replies: 14
Views: 26906

Re: Greetings

Hi Derek, Welcome to the forum and back to rocketry. :D
by air.command
Wed Jun 27, 2018 3:09 pm
Forum: Higher, Faster, Further
Topic: Vertical Trajectory System (with some 3D printed parts)
Replies: 69
Views: 35856

Re: Vertical Trajectory System (with some 3D printed parts)

Very interesting update on this project OTT. Wow, 140W is quite a bit power to have on hand when needed. Interesting problem with the negative G-s. How will you determine when it is safe to start trusting sensor after burnout? Also when the servos are in their neutral position, are they actively bei...
by air.command
Fri Jun 22, 2018 11:16 pm
Forum: Air Command Water Rockets
Topic: Horizon - 2 Stage Water Rocket
Replies: 11
Views: 25524

Re: Horizon - 2 Stage Water Rocket

Thanks for the nice words OTT. Dad and I are having fun building this rocket together.
by air.command
Fri Jun 22, 2018 9:23 am
Forum: Air Command Water Rockets
Topic: Horizon - 2 Stage Water Rocket
Replies: 11
Views: 25524

Re: Horizon - 2 Stage Water Rocket

It's been a while since I have updated this thread. We're continuing to make good progress on this rocket, and with Thunda less than a year away we need to push a little more. Here are parts #3 and #4 of the series. Part #5 should be out next week.



by air.command
Fri Jun 08, 2018 7:05 pm
Forum: Scratch Built
Topic: AUK XIII - L2 Build
Replies: 13
Views: 1400

Re: AUK XIII - L2 Build

That's great! Very well done 8) Congratulations on your L2!

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