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  Mounting a Sabre personal alarm
Posted by: Rich Holmes - 06-07-2015, 04:18 PM - Forum: Recovery - Replies (6)

Anyone who's used one of these alarms as a rocket screamer?
[Image: personal-alarms.jpg]
I'm curious what approach you used to attach the alarm body to your rocket.

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  Go Big or Go Home!
Posted by: Rocketman - 06-07-2015, 03:36 PM - Forum: Your Projects - Replies (6)

We have been increasing our offerings of carbon epoxy tubing suitable for airframes.

Here is an image of one in 12 inch.

[Image: 12in.airframe.54.jpg]

They range from 1.125" to 18"++

http://v-serv.com/usr/carbonepoxytube.htm

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  U.S. Rockets Sonic 3100
Posted by: Rocketman - 06-07-2015, 11:26 AM - Forum: Sell it - Replies (1)

I have a NIB USR Sonic 3100-54mm kit available.  It is $99 + $12 shipping.  The manufacturer website for this kit is http://v-serv.com/usr/kits/sonic3100.htm

I also have a NIB USR Stiletto, which has not been available for a few years now and was commanding a lot in auctions.  This Stiletto is $139 + $12 shipping.  http://v-serv.com/usr/kits/stiletto.htm

I have several of each and will combine shipping.

Jerry

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  U.S. Rockets is shipping a wide variety of kits.
Posted by: Rocketman - 06-07-2015, 11:14 AM - Forum: Vendor & Manufacturer Display - No Replies

U.S. Rockets is shipping a wide variety of kits, and has some great dealers.

http://v-serv.com/usr/instaship-visual.htm

Jerry

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  Need Help with the MicroMaxx Forum
Posted by: hcmbanjo - 06-07-2015, 10:21 AM - Forum: Forum Help - Replies (7)

I can't post on the MMX Forum area. 
I just wanted to be the first before it was taken over.  Tongue
I get the message:
"Sorry, but the forum you are currently viewing does not contain any child forums."

Child forums? I know the MMX rockets are small.
I really wanted to test things and see if I could easily post a picture.
Here goes - 

Well, I can't insert a picture without using a URL, you have to attach it outside the copy block.
It'd be easier to drag and drop or inset without going through the extra steps. 
I don't store my pictures online but keep them on the hard drive.
Moot point, I'll just deal with it.

Congrats on starting the new forum.



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  Two shades of grey
Posted by: Rich Holmes - 06-07-2015, 08:39 AM - Forum: Your Projects - Replies (13)

Squirrel Works Callisto
Estes [clone] K-6 Ranger
Binder Design Excel
[Image: img_3839.jpg]
If you look very closely you may notice something nonstandard about that Callisto...

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  Two Recovery forums
Posted by: Rich Holmes - 06-07-2015, 08:29 AM - Forum: Forum Help - No Replies

There seem to be two recovery forums, one under "General Discussions" and one under "Techniques and Tips". Seems kind of redundant and also redundant.

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  3D Rocketry Kits
Posted by: 3DWilly - 06-07-2015, 05:57 AM - Forum: Vendor & Manufacturer Display - Replies (1)

New flyer for 3D Rocketry Kits.



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  Model Rocket Safety: For Educators... A cautionary tale.
Posted by: K'Tesh - 06-07-2015, 02:23 AM - Forum: Beginners Corner - Replies (9)

Towards the end of each school year, Mr. Deller of Ashland Middle School (Ashland, Oregon) would have his science class launch model rockets. It was a fun way to end the year.

In 1983, I was in his class, and we built our rockets. I had a Spin Fin that I had gotten in the class, as well as a Stiletto that I had made from a kit I bought with my allowance. This was my very first time launching model rockets with solid fuel engines, rather than the boring old water rockets we did in summer.

On launch day, he'd pull his truck up onto the field, pop the hood, and the launches would begin.

My rockets did admirably despite the lack of skill I displayed in making them. But one kid's rocket really flew well. After recovery he was being patted on the back by several of the guys for the nice flight and recovery of his rocket. He was only paying attention to the admiration instead of the next rocket being launched. While he was joking around with the guys, he repacked the parachute for his next chance to launch. I however was watching the rocket that the kid who had a reputation for trouble had just launched. A nicely built Nova Payloader.

Rocket goes up, and the we could see the smoke climb up straight, then it stopped, no sign of a parachute deployment. We quickly grasped that the rocket hadn't deployed it's parachute, and was now heading straight down, and I mean STRAIGHT down!

Mr. Deller, starts yelling, as does the rest of us to look out, as it's falling, and FAST!!! 

The kids around the previous launcher hear the alarm, and all look up, then scatter. Suddenly sensing that something was wrong (like the teacher, and 20 boys yelling at him to look out), he finally looks up from his rocket, sees the incoming missile, and falls backwards.

It hit, right where he had been standing. We all rushed to him and the earthworm seeking missile sticking out of the ground between his feet.

The rocket was pulled out, and Mr. Deller inspected it carefully to find the source of the malfunction. It wasn't a malfunction though, it was sabotage. The bad news kid had removed the parachute, and superglued the nosecone into the body tube without anybody catching on. All launches were subsequently stopped, while he was marched into the principals office. He was immediately suspended for two weeks (thus preventing him from advancing w/us). This incident could have seriously hurt someone, and gotten the program banned in our school/city, who knows perhaps even state.


The takeaway from this:

ALWAYS be the one who does the final inspection of the rocket before school sanctioned launches, you should NEVER trust the kids in this matter. If necessary, find another adult to assist you with the launches, I'm sure there's one out there with enough of a kid inside him to still want to help.

Be Safe Out There!
Jim

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  Electronics Forum Request
Posted by: K'Tesh - 06-07-2015, 02:14 AM - Forum: Forum Help - No Replies

Cameras, Altimeters, and GPS...  Oh My!

We could really use a forum dedicated to these kinds of things.

Thanks!
Jim

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