[757labs] [757labs_inspace] Space

matthew green chef at 757.org
Fri Oct 28 11:25:01 EDT 2011 

nope not this year, if there is one I don't get it..

On Fri, Oct 28, 2011 at 8:28 AM,  <chad at merritt.org> wrote:
> 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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>>> >> >>> If we knew what we were doing it wouldn't be research.
>>> >> >>>
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>>> >> >>
>>> >> >
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