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Hybrid Propulsion - 2015
#1
This is not a propulsion forum without a hybrid thread; what are your hybrid goals for this year?
"He who fights with monsters should look to it that he himself does not become a monster, and if you look long into an abyss, the abyss also looks into you." - Friedrich Nietzsche

The Future is not Solid - Korey Kline
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#2
Jeff Jakob recently reinstalled his http://www.hybriddyne.com website. He uses my igniters in all his hybrid record attempts.

Attached is my hybrid firing. 17k LB 12 sec 18" x 144" chamber. Big Grin

   

Just Jerry
Exemptions not regulations. Please purchase a few rockets from http://v-serv.com/usr/instaship-visual.htm
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#3
Very nice Jerry, what was the fuel used?

I used to participate in the Hybriddyne forum, as Mr. Bill Colburn was there to answer a lot of new-guy questions... glad it is coming back.
"He who fights with monsters should look to it that he himself does not become a monster, and if you look long into an abyss, the abyss also looks into you." - Friedrich Nietzsche

The Future is not Solid - Korey Kline
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#4
86% HTP and HTPB/AP.  Filament fiberglass casing with phenolic liner.

   
Winding the filament case.

   
Fuel grains, mid process.
Exemptions not regulations. Please purchase a few rockets from http://v-serv.com/usr/instaship-visual.htm
Thanks. Support eliminating explosive treatment of slow burning solids by DOT.
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#5
So the largest hurdle for me, which is far surpassing just getting back into rocketry, is trying to acquire my own ground support equipment (GSE). I know it can be cobbled together if I were of the plumbing and electrical wizardness, which I am not, so I am dependent on the few (couple) GSE builders/sellers that are left among us. Of course once I have acquired the gear, I will be the only one in the state of Alabama that can launch hybrids... for that matter, I will probably be the only one in the state of Alabama that even gives a hoot about hybrids... I can live with that... less wait time for the launch pad etc!
"He who fights with monsters should look to it that he himself does not become a monster, and if you look long into an abyss, the abyss also looks into you." - Friedrich Nietzsche

The Future is not Solid - Korey Kline
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#6
The Future is not Solid - Korey Kline

Cute saying.  He was wrong.
Exemptions not regulations. Please purchase a few rockets from http://v-serv.com/usr/instaship-visual.htm
Thanks. Support eliminating explosive treatment of slow burning solids by DOT.
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#7
My goal is to fly my Micro Hybrid...once. I know, I know....this barely counts. Or maybe it doesn't.
Member of MDRA, NAR and NARHAMS;
Level-2 certified but mostly fly G and under;
Volunteer compiler of manufacturer's news for ROCKETS Magazine.
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#8
The Micro-Hybrid fits as far as I know... There are still motor & rocket kits being today. Specifics?
"He who fights with monsters should look to it that he himself does not become a monster, and if you look long into an abyss, the abyss also looks into you." - Friedrich Nietzsche

The Future is not Solid - Korey Kline
Reply
#9
I haven't followed who may sell them nowadays. I got the kit from Rene Caldera and a helpful TRFer machined them for me. He used the materials from Rene's kit and also made me a bunch of extra parts, closures, nozzles and various sized ejectors. Turns out aluminum and even plastic (don't remember which plastic) nozzles work as well as the graphite on these tiny things.

I know Art Applewhite was selling the plans, but it looks like his site is mostly shut down.

I have only flown these in saucer-like objects and one 'boink' rocket. Without a test stand or an altimeter on board I couldn't discern the effects of the different ejectors but tend to go with Rene's baseline as he invented the idea and probably got that right. I flew it about 10 times early on and after that try to use it once a year.
Member of MDRA, NAR and NARHAMS;
Level-2 certified but mostly fly G and under;
Volunteer compiler of manufacturer's news for ROCKETS Magazine.
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#10
(07-22-2015, 09:56 AM)rstaff3 Wrote: My goal is to fly my Micro Hybrid...once.  I know, I know....this barely counts. Or maybe it doesn't.

A micro-hybrid is still a hybrid. Maybe even more impressive to accomplish it so small. Now a micro-liquid would be scarry cool.
Exemptions not regulations. Please purchase a few rockets from http://v-serv.com/usr/instaship-visual.htm
Thanks. Support eliminating explosive treatment of slow burning solids by DOT.
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