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Backyard Rocketry Model, Amatuer, Experimental, and High Power Rocketry. Vehicle and Motor/Engine Design, Physics and Math, Fabrication, Flights, Testing and Evaluation. Share your rocket projects here!

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Old 11-03-2011, 03:18 AM   #16
mojoey
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so its balloon only? or can you use 'flammable' assistance? Id suggest trying to figure in a suitable trajectory... Im thinking that you are launching in the vicinity of Sacramento, if your feeling lucky...and the winds are in your favor, stick floats and a GPS locator on the return package, and put down near the coast and recover it. However if they arent, i cant really help you good luck

Last edited by mojoey; 11-03-2011 at 03:20 AM.
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Old 11-03-2011, 04:09 AM   #17
MaverickSawyer
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No energetic materials, including hydrogen as the lifting gas. We hope to launch from near Winters, past Davis. Winds should carry it towards the Sierra Nevadas, so a low-wind day at high altitude is ideal.
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Old 11-03-2011, 04:34 AM   #18
mojoey
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shoot, i thought you were in the LA area, if you were id suggest hoping for a trajectory for the high desert... however, youre plan will work too, just take a AWD vehicle with you
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Old 11-03-2011, 03:32 PM   #19
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nah, swamp crawler for the rice fields in the causeway
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Old 11-03-2011, 03:35 PM   #20
mojoey
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*rolls eyes* whatever floats your boat
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Old 02-12-2012, 07:24 PM   #21
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Ok, time for a status update. The SPOT tracker has arrived, and we have a payload enclosure for our camera and SPOT tracker. Our launch window closes the week before Easter, which is spring break for us. We found that we need to post a NOTAM before launch, something most people apparently don't do. Hopefully, we'll be able to get a time slot nailed down soon.
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Old 02-22-2012, 02:32 PM   #22
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awesome plan dude good luck
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Old 03-23-2012, 06:09 PM   #23
MaverickSawyer
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Update time!
Payload module is almost complete, and the parachute has been readied. We are looking at the calendar and trying to pick a date and location, and we need to file the NOTAM ASAP, so if anyone knows how long they take, let me know.
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Old 05-01-2012, 03:25 PM   #24
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We have a go for launch!
Our plan is to launch this Saturday at about 9 am local. we are using a Kaymont 600 gram balloon and a 4-foot parachute to launch and recover our camera and SPOT tracker. Right now, the payload masses a meager 500 grams, so our deflated balloon actually weighs more than the payload and parachute combined! needless to say, we are going to be adding some ballast to make it drop faster. Our goal is 19 km, or about 65000 feet. Helium used: 292.2 ft^3. That's over a K bottle worth of helium, which ain't cheap!
Anyways, wish us luck, and frequently starting at 1600 UTC and going until about 1900 UTC!
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Old 05-01-2012, 06:06 PM   #25
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Nice to hear that, good luck! Where is the launch site? Maybe we can have a "guess where it lands" contest on O-F
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Old 05-01-2012, 07:28 PM   #26
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Launch point is still up in the air (pun intended). We're still watching the weather.
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Old 05-04-2012, 08:43 PM   #27
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OK, we are GO for launch!
launch site: 38.5618*N, 121.9712*W.
Launch time: 1700 UTC (9 am local)
payload: 1028 grams of styrofoam, camera, SPOT tracker, parachute, and steel rod ballast.
balloon: kaymont 600 gram.
Parachute: 48" Rocketchute

I will post the landing coordinates tomorrow night.
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Old 05-04-2012, 08:46 PM   #28
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I've participated in three launches and have only recovered one balloon, the problem has been inadequate tracking. The tracking solution that appeals to me the most is trackuino, http://www.trackuino.org/ I'm currently building one...
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Old 05-07-2012, 11:31 PM   #29
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Yeah, we had problems with the SPOT Tracker, so we scrubbed the launch. retry will be one week later.
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Old 05-08-2012, 12:18 AM   #30
NovaSilisko
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I'm tempted to attempt to build one to send up and capture footage of the upcoming solar eclipse - normally, the eclipse would be below the horizon, but with a camera at the edge of space...
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