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

[Mikolaj Habryn]

...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
>>>
>