[757labs] [757labs_inspace] Space

[Trevor Lewis]

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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> >> >>> http://757labs.org/cgi-bin/mailman/listinfo/757labs
> >> >>> If we knew what we were doing it wouldn't be research.
> >> >>>
> >> >>
> >> >
> >> _______________________________________________
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> >> If we knew what we were doing it wouldn't be research.
> >
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> > If we knew what we were doing it wouldn't be research.
> >
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