[amsat-bb] I want this. I want that. Here comes another FM LEO sat.

Bryce Salmi bstguitarist at gmail.com
Tue Jul 22 17:41:29 UTC 2014

Being involved in the power system, I personally am hoping to get this
included in the near future on some of the next Fox's. We will see!

On Tue, Jul 22, 2014 at 10:19 AM, Jerry Buxton <amsat at n0jy.org> wrote:

> On 7/22/2014 9:21 AM, Paul Stoetzer wrote:
>> Off the top of my head:
>> AO-51 - Battery failure (Problem fixed in Fox series - shorted
>> batteries will be cut loose from the circuit and the satellite will
>> operate when in the sun)
> This is an original conops for Fox-1 that did not make it to reality.  In
> fact this requirement was removed over a year ago because it could not be
> suitably implemented to fit in the space available on the PCB.  You see, at
> that time new inhibit requirements that were received from the launch
> providers caused us to have to re-engineer the battery board.  Moving the
> battery fail feature to another board was not possible because we could not
> afford to be redesigning the whole satellite, moving things around from
> each board to another to find room, in the time left to delivery (at that
> point the launch had not yet slipped to 2015 and we were due to deliver in
> March 2014).  The choice had to be made to cut the battery fail protection
> from the battery board in order to incorporate the inhibits, to make the
> launch.
> The removal of this feature was brought forth at the Symposium last year,
> but the tale lives on.  Yes, it was an outstanding feature but as has been
> pointed out in some of the other emails going on right now, there is a real
> limit to what we can fit in a 1U CubeSat and in the time and under the
> provisions allowed by our rideshare.
> Don't think it didn't get cut without a fight! :-)
> The Fox-1A Engineering Unit is sitting on the official AMSAT test table in
> my shack right now, having arrived FedEx this morning after some time "in
> the shop" for fixes to hardware that we found in the first round of EU
> testing and having a new IHU all installed.  I'm getting ready to load new
> software with the latest DSP and flight features.  Stay tuned...
> Jerry Buxton, NØJY
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