humm, spec the solid motors to put the rocket in the range of 105k to
110k and use an upward-facing RCS system + some software foo to take
that back down to exactly 100k... sounds plausible to me
-d
On Mon, Feb 28, 2011 at 11:14 PM, Josh Triplett wrote:
> On Mon, Feb 28, 2011 at 10:14:21PM -
On Mon, Feb 28, 2011 at 10:14:21PM -0800, Nathan Bergey wrote:
> 100,000 feet is a pretty number. Maybe
> when I get the Trajectory Optimizer working we can do an optimal mass
> problem with it and see just how big it would have to be. Maybe with dart?
> Anyway I wasn't suggesting we go for it just
On Mon, 28 Feb 2011 22:14:21 -0800, Nathan Bergey
wrote:
> From what I gathered in the list this is a competition to get people working
> on reasonable goals. I think they're tired of seeing pie-in-the-sky plans
> that don't get off the ground. Baby steps. Just get to 100,000 feet without
> blow
>
> Hey, now that you mention it, we *do* have the code and public data
> sources to simulate down to the correlator level if we want to. :-)
Ha, no cheating! Too bad we don't have the time or money to do this though
because it would be a fun project. 100,000 feet is a pretty number. Maybe
when I
On Mon, Feb 28, 2011 at 8:54 PM, I wrote:
> So... if this is a height competition, I would think that the sponsor would
> provide the GPS... Mostly because folks like us can produce a GPS log that
> clearly indicates 100,000 ft from my Liberty 4 ;) In fact, I'd bet Dave can
> do it with 2 lines of
Quoting Keith Packard :
On Mon, 28 Feb 2011 15:05:37 -0800, I wrote:
Quoting Nathan Bergey :
> Yes, I think the main goal is to get people to think about GPS on rockets.
> Even if we don't make an attempt this should be fun to watch.
>
> More (selfishly) importantly I've been invited on the
On Mon, 28 Feb 2011 15:05:37 -0800, I wrote:
>
> Quoting Nathan Bergey :
>
> > Yes, I think the main goal is to get people to think about GPS on rockets.
> > Even if we don't make an attempt this should be fun to watch.
> >
> > More (selfishly) importantly I've been invited on the Evadot podcast
On Mon, Feb 28, 2011 at 03:05:37PM -0800, I wrote:
> Quoting Nathan Bergey :
> OEM's have a tracking loop (google Costas loop) typically with a 1Hz
> bandwidth (source: a GPS INS book I have. It's at home at the
> moment). Some OEM units can change the loop bandwidth to something
> higher, but with
Quoting Nathan Bergey :
Yes, I think the main goal is to get people to think about GPS on rockets.
Even if we don't make an attempt this should be fun to watch.
More (selfishly) importantly I've been invited on the Evadot podcast
tomorrow morning to be an "expert" pundit of sorts about the con
>
> We've been assured by skytraq that they treat the ITAR limits as AND, not
> OR. So, that chip should 'just work', aside from issues of kalman filter
> lag.
Thanks Keith.
Now that I'm on the aRocket l can read the thread (but it's kind of
long). Interesting snips here:
> if you succeed and wr
On Mon, 28 Feb 2011 13:53:51 -0800, Nathan Bergey wrote:
> Yes, I think the main goal is to get people to think about GPS on rockets.
> Even if we don't make an attempt this should be fun to watch.
>
> More (selfishly) importantly I've been invited on the Evadot podcast
> tomorrow morning to be
Yes, I think the main goal is to get people to think about GPS on rockets.
Even if we don't make an attempt this should be fun to watch.
More (selfishly) importantly I've been invited on the Evadot podcast
tomorrow morning to be an "expert" pundit of sorts about the contest and
what is hard about
On Mon, Feb 28, 2011 at 9:57 AM, Nathan Bergey wrote:
> http://www.rocketryplanet.com/index.php?option=com_content&task=view&id=3542&Itemid=29
> 100,000 ft is not even space, only a mere 30 km. Note the requirement of
> having GPS. Something we should already know how to do.
Note the requirement
FYI
http://www.rocketryplanet.com/index.php?option=com_content&task=view&id=3542&Itemid=29
100,000 ft is not even space, only a mere 30 km. Note the requirement of
having GPS. Something we should already know how to do.
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