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  1. Got the NC from Ken. Hopefully Nat will come...

    Got the NC from Ken. Hopefully Nat will come through with a fin set.
  2. 3 hrs is nothing. 5 hr drive for me, well worth...

    3 hrs is nothing. 5 hr drive for me, well worth it.
  3. MARS Geneseo,NY Memorial Weekend Launch

    MARS will be holding a launch this weekend at Geneseo,NY site of NSL2012 this weekend (May 25-26).

    Conditions should perfect including a freshly mowed huge GRASS field.

    Info and directions on...
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    Run to the pad the rocket was launched from. The...

    Run to the pad the rocket was launched from. The safest place on the field.
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    NYPOWER at Geneseo is one of the few large rocket...

    NYPOWER at Geneseo is one of the few large rocket launches where you can comfortably walk the flight line (and field) in your bare feet and keep them clean.

    Doug Pratt from Pratt Hobbies will also...
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    Details have to be worked out and we have to be...

    Details have to be worked out and we have to be in compliance with the new NFPA1127 regulations on mass launches (not just a NAR rule).

    If we have 3 or more then the safety distance has to be...
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    It wasn't thermite.

    It wasn't thermite.
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    Now we need to get a motor sponsor. RDH8?

    Now we need to get a motor sponsor. RDH8?
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    Now now, there WILL be rules. This event is...

    Now now, there WILL be rules. This event is hosted by MARS after all.

    Since this was Al's idea, its only fair the I will be the one who will make up the rules.

    Rules so far: (more will be...
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    You're on! I have unfinished business from the...

    You're on! I have unfinished business from the last Fatboy episode.

    (I can imagine Nat RSO sweating bullets and reaching for the Valium as we speak)
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    NYPOWER 17 July 26-28 2013

    The 17th NYPOWER will be held July 26-28 in beautiful Geneseo NY

    NYPOWER returns in July after a 1 year respite while NSL 2012 was held last year at this location.

    NYPOWER Features:
    NAR Rules...
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    Kevin, you are correct that there are no...

    Kevin, you are correct that there are no guarantees. Also you are correct that it 'helps'. Cascade a few good practices together and you can greatly reduce the risk.

    Upper level winds forecast...
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    No one thinks control over these things are...

    No one thinks control over these things are possible. But it is possible to put in procedures to reduce the risk. At our club we have launch procedures in place that assumes all recovery failures. We...
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    In this case 3 faults happened in concert to...

    In this case 3 faults happened in concert to produce a potential tradedy.

    1. A rocket was launched that couldn,t or wasnt tracked even by aided means like binoculars.
    2. A total failure of the...
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    These electronics are not fragile devices which...

    These electronics are not fragile devices which are going to corrode away from ambient humidity. If you really want your altimeters to last a LONG time just never put them in a rocket.
  16. Thread: vender,s

    by jderimig
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    the correct zweigles link is www.zweigles.com...

    the correct zweigles link is www.zweigles.com
  17. Thread: vender,s

    by jderimig
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    http://www.amazon.com/Zweigles-Premium-White-Hots/...

    http://www.amazon.com/Zweigles-Premium-White-Hots/dp/B002CIXDE8

    Stock up when in Rochester area.
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    Don't know about all the MEMs accelerometer chips...

    Don't know about all the MEMs accelerometer chips out there but I have studied the Freescale MMA2202 (analog). In two years observation of 2 samples subjected to constant power on and occasional...
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    Ratings.

    Ratings.
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    I doubt it. But the bridgewire chip construction...

    I doubt it. But the bridgewire chip construction of a commerical ematch looks to me to be a more robust construction.
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    I myself am not a fan of Q2G2 for deployment...

    I myself am not a fan of Q2G2 for deployment duty. I doubt that Quest asks their supplier to add unnecessary costs to implement a rigourous reliability and statistically process controlled...
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    A normal run time meter will not work for you? ...

    A normal run time meter will not work for you?

    http://www.kep.com/catalog/ii/pages/timers.html
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    I think you are very close to a concept that I...

    I think you are very close to a concept that I think might work. Here are the slight changes.

    1. Use a 1 liter bottle to store you source of hydrogen (water).
    2. Use the electrical energy of...
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    Several liters per minute will run an average car...

    Several liters per minute will run an average car engine for about 2 revolutions per minute.

    Hydrogen powered cars (fuel cell) cars store the gas in high pressure cylinders at about 3000 psi. ...
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    Edit: CarVac beat me to it while I was typing. ...

    Edit: CarVac beat me to it while I was typing.

    Yes it does but that energy of formation is spread over a long time and efficiently stored chemically in the propellent. Also the ordinary...
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    Kudo's for the creative thinking. However the...

    Kudo's for the creative thinking. However the gas generator concept will fall victim to the 2nd law of thermodynamics. That is it will take more energy to generate the hydrogen than you will get...
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    Many altimeter firmware implementations inhibit...

    Many altimeter firmware implementations inhibit or don't check for main event unless the apogee event occured.

    This could be remedied by an apogee detect override for baro + accel altimeters. If...
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    How about a fan?

    How about a fan?
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    Use steam.

    Use steam.
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    Known issue with the Ford 3.8. ...

    Known issue with the Ford 3.8.
    http://articles.latimes.com/2000/jan/19/news/hw-55291

    Ford never fixed the root cause of the problem, poor thermal design and differential expansion between the...
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