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#41
06-13-2020, 11:08 PM
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That’s interesting. Do tell us more. Direct staging or....? As a thought experiment, I can see that it would be more likely to work with a Q-Jet C or D since the nozzles are bigger than the As/Bs and the propellant grain (or at least the bottom of it) is closer to the nozzle.
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Bernard Cawley NAR 89040 L1 - Life Member SAM 0061 AMA 42160 KG7AIE 
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#42
06-13-2020, 11:09 PM
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Yes, direct staging. With tape.
Quote:
__________________
For warranty questions & issues please contact Karl at warranty@aerotech-rocketry.com For customer service questions & issues please contact Jenn at customerservice@aerotech-rocketry.com AeroTech Consumer Aerospace Division of RCS Rocket Motor Components, Inc. 2113 W 850 N Cedar City, UT 84721 435-865-7100 (Ph) 435-865-7120 (Fax) http://www.aerotech-quest.com http://www.rocketmotorparts.com.com http://www.specificimpulse.com
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#43
06-13-2020, 11:14 PM
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Cool!
Dare I ask how reliable that is? I don’t really have any sacrificial two-stage models I’d be willing to try this in off the top of my head, if it’s hit or miss.
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Bernard Cawley NAR 89040 L1 - Life Member SAM 0061 AMA 42160 KG7AIE
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#44
06-13-2020, 11:15 PM
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Cool!  I am going to have to try that. 
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Bob S.A.M. # 0014
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#45
06-14-2020, 08:50 AM
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They tried it successfully a few times, don't have statistics, but I know staging to a 'B' Q-Jet was not reliable for the reasons you noted.
Quote:
__________________
For warranty questions & issues please contact Karl at warranty@aerotech-rocketry.com For customer service questions & issues please contact Jenn at customerservice@aerotech-rocketry.com AeroTech Consumer Aerospace Division of RCS Rocket Motor Components, Inc. 2113 W 850 N Cedar City, UT 84721 435-865-7100 (Ph) 435-865-7120 (Fax) http://www.aerotech-quest.com http://www.rocketmotorparts.com.com http://www.specificimpulse.com
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#46
06-14-2020, 09:02 AM
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This actually is very cool news.
Now if we could get the 18mm C5-0 booster back...
__________________
When in doubt, WHACK the GAS and DITCH the brake !!! Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't ! Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY. ALL systems are GO for MAYHEM, CHAOS, TURMOIL, FIASCOS, and HAVOC !
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#47
06-20-2020, 07:54 AM
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Quote:
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Paul If we weren't all crazy, we would go insane - Jimmy Buffett NAR #87246 www.wooshrocketry.org
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#48
06-23-2020, 09:19 PM
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Karl has completed the certification motors and they will likely be shipped to TMT tomorrow.
Quote:
__________________
For warranty questions & issues please contact Karl at warranty@aerotech-rocketry.com For customer service questions & issues please contact Jenn at customerservice@aerotech-rocketry.com AeroTech Consumer Aerospace Division of RCS Rocket Motor Components, Inc. 2113 W 850 N Cedar City, UT 84721 435-865-7100 (Ph) 435-865-7120 (Fax) http://www.aerotech-quest.com http://www.rocketmotorparts.com.com http://www.specificimpulse.com
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#50
06-24-2020, 07:25 AM
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TMT has had quicker response times, better data and better luck in getting the motors to ignite properly.
I would rather not predict a ship date until the motors are certified. Sometimes we are over impulse with these small motors due to the limitations of our own equipment, and the uncertainty in the estimation of performance resulting from the difference in elevation between the AeroTech and TMT test locations (about 5,600 feet). If that occurs with the C motor, we will need to submit another set of samples. Quote:
__________________
For warranty questions & issues please contact Karl at warranty@aerotech-rocketry.com For customer service questions & issues please contact Jenn at customerservice@aerotech-rocketry.com AeroTech Consumer Aerospace Division of RCS Rocket Motor Components, Inc. 2113 W 850 N Cedar City, UT 84721 435-865-7100 (Ph) 435-865-7120 (Fax) http://www.aerotech-quest.com http://www.rocketmotorparts.com.com http://www.specificimpulse.com
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