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Re: Re: AMSAT Oscar Scott



Why not fly.
There are a few `companies`trying to grab the X prize.
They have to test there lauch system`s.
I gues that most don`t want`s to take the risk with them,
so possibly they are testing launching `dead weight`.
Ever tought of asking them what may be possible?

Regards
Chris PA5RWE

----- Original Message -----
From: "Scott Elliott" <scott@pieh0.co.uk>
To: <amsat-bb@AMSAT.Org>
Sent: Wednesday, May 01, 2002 1:39 AM
Subject: Re: [amsat-bb] Re: AMSAT O-E


> ok, this idea would be quite hard to fit into a pico sat, but may work for
> fo-20 sized sats.
>
> would it be possible to put 2 motors on the solar panels, 1 per panel, and
> have some basic software, where if the v in falls below a certain level,
the
> motors slowly spin the panels to get the best angle.
>
> also, when its in eclipse, the panel's on the main body of the sat can be
> used to tell the software that its in an eclipse, and stops the motors
from
> moving. other wise you will get the motors spining about for quite a long
> time, draining the battery.
>
> my basic grasp on the space enviroment (if i remember rightly, tell me if
im
> not), means that there would be no friction on the motors, if not, then
not
> much.
>
> a simple program on one of the atmel 8501 chips could do this, as it has
> about 8 i/o ports, meaning you could also have a cw beacon and other
things.
> dont know if a pic chip could do the job, but ive had some experiance with
> the atmel 8501's and are quite easy to use and program. like pic's :).
>
> thought of this idea when i was bored, and decided to stick a small screw
> driver in between 2 simms on a memory board.
>
> also, what sort of power would be required to run a tnc and a 2 w hand
held.
> thinking about building a small sat just for the sake of it. not that it
> will ever fly of course :P. just to get an idea of what is involved in
> making a sat. so if anyone has any suggestions (bob ?? :P).
>
>
> Speak to you later.
> Scott Elliott
> Scott@pieh0.co.uk
> 2E1FJB / M1SJE
> ----- Original Message -----
> From: "Robert McGwier" <rwmcgwier@comcast.net>
> To: <G0MRF@aol.com>; <amsat-bb@AMSAT.Org>
> Sent: Tuesday, April 30, 2002 9:30 PM
> Subject: RE: [amsat-bb] Re: AMSAT O-E
>
>
> >
> > How are you going to point them at the sun?
> >
> >
> > -----Original Message-----
> > From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org]On
> > Behalf Of G0MRF@aol.com
> > Sent: Tuesday, April 30, 2002 6:38 AM
> > To: amsat-bb@AMSAT.Org
> > Subject: [amsat-bb] Re: AMSAT O-E
> >
> >
> > It seems that the discussion of putting a 9 inch cube into a high orbit
> and
> > providing FM coverage to huge areas has been concluded, but I'm curious
> > about
> > the 11W (28% efficiency cells etc) limitation on power.
> >
> > The electrical technology going into microsats is evolving and
progressing
> > but isn't it possible to take one step forward on the mechanical side
and
> > have a couple of small thin/lightweight deployable panels strapped to
the
> > side of the satellite at launch?
> >
> > If they fail to deploy in orbit, the satellite would still have its 11W
> and
> > it wouldn't affect the basic mission. After all AO-40 is working very
> nicely
> > with it's panels still securely strapped in place. If it / they did
> deploy,
> > that's an extra 50% of power budget and there is nothing like a big
signal
> > to
> > attract more users / members.
> >
> > BTW  Wasn't it one of last years SSTL microsat missions that was fitted
> with
> > a gas jet thruster for orbital manouvering?
> >
> > 73
> >
> > David  G0MRF     www.g0mrf.freeserve.co.uk/ao-40.htm
> > ----
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> >
> >
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>
> ----
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