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

Mikolaj Habryn dichro at rcpt.to
Fri Dec 18 02:10:47 UTC 2009


https://www.noisebridge.net/wiki/Spacebridge is live. Point away.

m.

On Thu, Dec 17, 2009 at 5:59 PM, Mikolaj Habryn <dichro at rcpt.to> wrote:
> ...in classic wiki form, there's a link off the events list that
> points to a non-existent page that he could start filling in? ;)
>
> m.
>
> PS: yes, fine, I'll scribble something in there shortly.
>
> On Thu, Dec 17, 2009 at 5:44 PM, Ani Niow <v at oneletterwonder.com> wrote:
>> 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.
>>>>> _______________________________________________
>>>>> Noisebridge-discuss mailing list
>>>>> Noisebridge-discuss at lists.noisebridge.net
>>>>> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>>>>
>>
>



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