[Noisebridge-discuss] spacebridge? hackers(in)space?

[Ani Niow]

Will do. Is there a wiki page yet I could point him to?


-Ani

On Dec 17, 2009, at 5:35 PM, Mikolaj Habryn <dichro at rcpt.to> wrote:

> If someone can point him at this thread, or let him know about Sunday,
> that'd be excellent.
>
> (links to/summaries of his talk would be even better, for those of us
> who won't make 5mof tonight)
>
> m.
>
> On Thu, Dec 17, 2009 at 5:23 PM, Ani Niow <v at oneletterwonder.com>  
> wrote:
>> I hear there's someone from the Space Tourism Society giving a talk  
>> about
>> similar things tonight at 5MoF. Also hear that he is wanting to  
>> involve
>> Noisebridge with some projects of his.
>>
>> Sounds like some cross pollination could be made.
>>
>>
>> -Ani
>>
>> On Dec 16, 2009, at 9:14 PM, Mikolaj Habryn <dichro at rcpt.to> wrote:
>>
>>> There's been lots of articles of late about school kids sending
>>> weather balloons with cameras up to 100,000 feet for peanuts and
>>> getting amazing pictures. These projects kinda lack ambition -
>>> although I'll confess to being grudgingly impressed nonetheless.
>>>
>>> By contrast, these guys are my heros -
>>> http://www.members.shaw.ca/sonde/ - they carry a glider up with a
>>> home-built autopilot that navigates back to where they're waiting  
>>> for
>>> it (sometimes upside-down). Their stories are the reason that I  
>>> have a
>>> 2.6m r/c glider in my cube at work (that I'm too scared of to  
>>> actually
>>> fly).
>>>
>>> Also, a friend pointed out on the weekend that http://jpaerospace.com/
>>> have somewhat stolen my thunder, but, dammit, I still think there's
>>> some fun to be had here.
>>>
>>> Things I'm keen to work on:
>>>
>>> Buoyancy control for high-altitude balloons - most of these guys  
>>> send
>>> balloons up until they burst and then recover payload under a
>>> parachute. It shouldn't be too hard to build something that can hold
>>> altitude by moving gas between envelope and rigid container (a full
>>> day-night cycle might be hard, but you never know - at lower  
>>> altitudes
>>> you could potentially condense water vapor and electrolyze to
>>> replenish hydrogen supplies). Talking to the blimpduino guys at  
>>> maker
>>> faire a year or two back, they were also interested in the idea of
>>> having a buoyancy control system at the smaller scale, but didn't
>>> think it could be done in their weight budget. I think they're  
>>> wrong,
>>> and I even had the parts to prove it at one stage.
>>>
>>> 1kg of batteries has enough energy to accelerate a 10g weight to
>>> orbital velocity.  I had a napkin once that claimed that a  
>>> reasonably
>>> efficient motor could achieve that by spinning a reasonable length
>>> tether at reasonable g forces, but I think I got the numbers wrong  
>>> at
>>> the time :P OTOH, yesterday I saw a tech talk by the quick launch  
>>> guys
>>> (giant hydrogen cannons ftw) where they mentioned trivially
>>> g-hardening consumer electronics to 3200g, so maybe there's still a
>>> way of doing it with a reasonable length of practical tether - not
>>> that I know *what* tether, how it will behave when the outer section
>>> of it is travelling at transonic speeds, drag losses at 100k feet,  
>>> and
>>> what kind of interesting payload you can fit into 10 grams, but  
>>> these
>>> are implementation details.
>>>
>>> Um. I had other ideas, but can't think of them right at the moment.
>>> Anyone else have related projects or want to play? I intend to grab
>>> some weather balloons from ebay, a cylinder of hydrogen and maybe  
>>> some
>>> ardupilots and carefully skirt various FAA regulations in the next
>>> couple of months.
>>>
>>> m.
>>>
>>> PS: and Black Rock City Spaceport - 'coz fuck steampunk.
>>> _______________________________________________
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>>> Noisebridge-discuss at lists.noisebridge.net
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>>