[Space] Rocket launch at Black Rock this weekend

Christie Dudley longobord at gmail.com
Tue Jun 15 14:59:38 PDT 2010


Hm.  People have been talking about a traditional "rockoon" where you launch
a rocket from a balloon, but I've been thinking a lot about launching
balloons from rockets.

What I'm thinking would be that at 11K' you'd be able to start with a
balloon that has a negative buoyancy at sea level, wouldn't you?  Since your
envelope would be much smaller (not having to expand up to 11K), you
theoretically would be able to go much, much higher, as the growth is
non-linear.

What you'd need to be able to launch, though, is all the gas you need
compressed, with a mechanism to release the gas into the envelope (quickly!)
and release the canister when it's been emptied.

So am I totally off my nut?

Christie
_______
"Great spirits have always found violent opposition from mediocrities. The
latter cannot understand it when a man does not thoughtlessly submit to
hereditary prejudices but honestly and courageously uses his intelligence."
-- Albert Einstein


On Tue, Jun 15, 2010 at 12:38 PM, Erik Ebert <eebert at gmail.com> wrote:

> This might conflict with your night balloon launch, but if anybody is
> interested in coming out and watching (or participating in) our club's
> next launch, it's coming up this weekend (June 18-20) out at Black
> Rock:   www.aeropac.org
>
> If you've never been out to Black Rock before, please read the Black
> Rock section of the website.  We supply porta-potties, everything else
> is up to you. Sunscreen and lots of water are musts.  It's the same
> general area as Burning Man, but a couple of miles further along the
> playa.  GPS coordinates are on the website.
>
>
> No 27k for me this time, but I will be sending my workhorse ARLISS
> (www.arliss.org) payload rocket up to 11k or so.  I know it's not
> 100k, but if anybody has a payload they want to send up, the space is
> available.  The payload compartment is 6" diameter by 10" long, and
> will be enclosed within the rocket for the up part of the flight.
> You supply the parachute and tracking.   Once I dump you out at 11k,
> you are on your own.
>
> If nobody has a payload they want to send up, I will revert to the
> traditional payload of Guinness.
>
>
> The next launch after that is August 6-8.  Rumor has it there may be a
> couple of rockoon groups showing up to that one.
>
>
> Hope to see some of you this weekend!
>
>  -- Erik
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