[757labs] [757labs_inspace] Space

[chad at merritt.org]

Isn't there a seperate list for the space project??  how'd it cross over
again??

Chad

> Just remember, the balloon is going to expand the higher it gets, so
> overfilling (over expanding) it to get a faster ascent is likely to reduce
> the max altitude it reaches. A bigger balloon, gives us the best of all
> worlds, larger volume, potential for more lift, and higher max altitude.
>
> On Thu, Oct 27, 2011 at 10:33 PM, matthew green <chef at 757.org> wrote:
>
>> ok, I think I have a helium fill adapter for a party tank (might
>> work).. I shall find it...
>>
>> On Thu, Oct 27, 2011 at 10:29 PM, Almost_There at COX.Net
>>  <Almost_There at cox.net> wrote:
>> >
>> > Matt;
>> >
>> >    Okay, I'll get two 800g's then.  I have some 30g pilot balloons I
>> bought
>> > a long time ago ('fore I knew what I was doing) that we can use for
>> > test-fills if you want (the necks are much smaller than the full sized
>> > balloons so we'd need different fill-adapters.)
>> >
>> >
>> >    Good Luck!
>> >    Ken_S.
>> >
>> > At 10:17 PM 10/27/2011, you wrote:
>> >>
>> >> we May NEED 2 Balloons as one may burst while filling (we should also
>> >> buy small ish ones for test fills)
>> >>
>> >> On Thu, Oct 27, 2011 at 9:54 PM, matthew green <chef at 757.org> wrote:
>> >> > Looking I think we may get a good deal at
>> http://kaymontballoons.com/
>> >> >
>> >> > can you call them and see if we can get the 800 gram one for about
>> $45
>> >> >
>> >> > On Thu, Oct 27, 2011 at 9:50 PM, matthew green <chef at 757.org>
>> wrote:
>> >> >> I stated 1000 gram so we go faster but 800 gram should work
>> >> >>
>> >> >> On Thu, Oct 27, 2011 at 9:29 PM, Almost_There at COX.Net
>> >> >> <Almost_There at cox.net> wrote:
>> >> >>>
>> >> >>> 757 Labs in Space;
>> >> >>>
>> >> >>>>I need feedback from the group, please vote: 800 gram balloon?
>> >> >>>
>> >> >>>     So far I've gotten zero feedback.  Should I buy the 800g
>> tomorrow,
>> >> >>> or
>> >> >>> hold of until we get some group consensus?
>> >> >>>
>> >> >>>
>> >> >>>     Good Luck!
>> >> >>>     Ken_S.
>> >> >>>
>> >> >>> At 07:12 PM 10/27/2011, you wrote:
>> >> >>>
>> >> >>>
>> >> >>> 757 Labs in Space;
>> >> >>>
>> >> >>>>What still needs to be done?
>> >> >>>
>> >> >>>     * Jean has donated a new cooler to use, it's roughly the same
>> size
>> >> >>> (judging by eye) but maybe a little taller; I think it's a little
>> >> >>> lighter
>> >> >>> too.
>> >> >>>
>> >> >>>     * If we're using the new camera (see other thread for
>> details)
>> we
>> >> >>> need
>> >> >>> someone to hack it for External Control (I have messed up every
>> >> >>> surface
>> >> >>> mount PCB I've taken a soldering iron to.)  If we're using the
>> old
>> >> >>> one,
>> >> >>> that's already done.  (Also need to decide - Video, Still
>> Pictures,
>> a
>> >> >>> little
>> >> >>> of both...)
>> >> >>>
>> >> >>>     * Jean has started playing with the Landing Zone prediction
>> >> >>> software, I
>> >> >>> taught her everything I learned from last year (I was off by
>> something
>> >> >>> like
>> >> >>> 14 miles, and I challenged her to make a more accurate prediction
>> this
>> >> >>> year!)
>> >> >>>
>> >> >>>     * If we all agree, I will order an 800 gram balloon tomorrow.
>>  I
>> >> >>> think
>> >> >>> that's what we used last year; differences - expecting a little
>> heaver
>> >> >>> at 2
>> >> >>> pounds (last year was 1.8 pounds), we're using Hydrogen which is
>> >> >>> slightly
>> >> >>> more efficient at lifting.  Those two are (roughly) a wash, so we
>> >> >>> should use
>> >> >>> same balloon; agree?
>> >> >>>
>> >> >>>     I need feedback from the group, please vote: 800 gram
>> balloon?
>> >> >>> Discussion...
>> >> >>>
>> >> >>>
>> >> >>>     Good Luck!
>> >> >>>     Ken_S.
>> >> >>>
>> >> >>> At 12:10 AM 10/27/2011, you wrote:
>> >> >>>
>> >> >>> I would like to know how everyone is coming along and also do we
>> have
>> >> >>> :
>> >> >>> * Estimated Weight (I am thinking 2 lb)
>> >> >>> * Is the PCB MADE
>> >> >>> * Have we gotten Hydrogen?
>> >> >>> * What still needs to be done?
>> >> >>>
>> >> >>> I would like to try and have every thing ready by 11/11/11 so we
>> can
>> >> >>> do a launch in the near future
>> >> >>> _______________________________________________
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>> >> >>> 757labs at 757labs.org
>> >> >>> http://757labs.org/cgi-bin/mailman/listinfo/757labs
>> >> >>> If we knew what we were doing it wouldn't be research.
>> >> >>>
>> >> >>> _______________________________________________
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>> >> >>> http://757labs.org/cgi-bin/mailman/listinfo/757labs_inspace
>> >> >>> Our bits are in the mile high club!
>> >> >>>
>> >> >>> _______________________________________________
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>> >> >>> If we knew what we were doing it wouldn't be research.
>> >> >>>
>> >> >>
>> >> >
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>> >
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>> >
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