" If that cannot be done then the option is to launch ARISSat as is and let it run off the solar panels."
pleased to be wrong here but I dont think that is an option. I "THINK" (and you know that really could be wrong) that the battery is essential for the 15 minute "silent" period on launch Robert WB5MZO > From: [email protected] > To: [email protected] > Date: Sun, 17 Apr 2011 02:47:09 -0400 > Subject: [amsat-bb] Re: ARISSat-1 - Battery Failure > > On 16 Apr 2011 10:47:57, John P. Toscano, W0JT wrote: > > >Subject: [amsat-bb] Re: ARISSat-1 - Battery Failure > > >One small consolation is that if the ISS crew can't get it working before > >tossing it into space, it could (possibly) be brought back to Earth on a > >future return trip to be diagnosed and repaired on the ground. > > >But let's hope it is something simple to fix up on the ISS and that someone > >on the crew can take a little time to fix it. > > >But I also understand that none of those 3 scenarios are guaranteed (easy > >to fix, time to fix it, or return it to Earth). > > >John P. Toscano, W0JT > > > > I can think of a somewhat darker scenario... > > On April 14, 2011, Clint K6LCS posted: > > > >Message-ID: <[email protected]> > >Content-Type: text/plain; CHARSET=US-ASCII > > >RadioSkaf's Alexander, RA3WOK, just wrote me that they do, indeed, suspect > >battery failure of the ARISSat-1. > >Investigation and plans for deployment continue. > > >"According to preliminary information the problem is a failure of the > >battery ... " > > >"In the near future, batteries will be on Earth. It cannot be kept on the > >ISS." > > >"The situation will improve in June and July, when scheduled launching of > >ARISSat-1." > > > > If the batteries cannot be kept on the ISS, there are three opportunities to > return them > (intact) to earth before the Russian EVA #29 now scheduled for July 27, 2011: > -On STS-134 returning to earth May 12(?), 2011 > -On Soyuz TMA-20 returning to earth May 16, 2011 > -On STS-135 returning to earth July 12, 2011 > > Someone will have to remove the battery from ARISSat, and place it on one > these vehicles... > assuming the time and down mass capacity to this can be found. Replacing the > battery > with another becomes the next issue. Is there a spare on board? > > If that cannot be done then the option is to launch ARISSat as is and let it > run off the > solar panels. > > If the desire is to get the battery off the ISS as quickly as possible, then > it goes on > the Progress M-09M, which is to be de-orbited April 26, 2011. If time cannot > be found > to remove the battery from ARISSat, then the simplest thing to do is to put > ARISSat, > battery and all, on the Progress and de-orbit it. > > Of course, we could all be surprised and it could be deployed by the STS-134 > crew, > but they are going to be plenty busy as it is. > > This is just idle speculation on my part... It's a gloomy rain day in > Michigan. :-) > > 73 Armando, N8IGJ > > > > > _______________________________________________ > 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
