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 <[email protected]> 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 > > > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
