----- Original Message ----- From: "Peter Guelzow" <peter.guel...@kourou.de> To: <amsat-bb@amsat.org> Sent: Wednesday, September 26, 2012 11:53 PM Subject: [amsat-bb] Propulsion on Phase-3 Satellites.. > > > > Hi, > > > > Since you brought up "politics"...all I know is that trying the same > > thing over and over usually ensures getting the same results. I dont > > think we are going to see an AO-10,13 or 40 again because of the > > propulsion issue. > > I doubt any group is going to let a pyalod on with a motor unless there > > are "real rocket scientist" doing the job...the record has not been all > > that sterling. > > > >
> Just for clarification: > > AMSAT P3-A on Ariane-1 L02 together with Firewheel. > AMSAT P3-B / AO-10 on Ariane-1 L06 with ECS-1 first European > Communication Satellite. > AMSAT P3-C / AO-13 on Ariane-401 with Panamsat-1 and METEOSAT-P2. > AMSAT P3-D / AO-40 on Ariane-507 with Panamsat PAS-1R and STRV-1C, > STRV-1D for DERA. > > AMSAT was also flying explosive Bolt-cutters for the clamp-bands on > these missions. > For one of the earlier launchers AMSAT-DL designed and build > Separation-Sequencers for the non-AMSAT payload/adapters as part of some > "launch compensation". > The SBS on P3-D was provided by AMSAT and it was carrying the heaviest > primary payload on Ariane-5 at that time. Was this "too risky" for the > paying primary payload? > No, because we delivered and went through all required quality gates.. > > The propulsion system always had to go through several Safety > Submissions Phases in which we had to certify and demonstrate that the > launch configuration of critical software and hardware commands is in > conformity with the CSG safety regulations and has been tested as an > effective inhibit to all the potential hazardous commands (means also > propulsion). > > The command inhibit circuits (hardware and software) dedicated to > hazardous systems have been tested and validated and they are working > properly. > A system check was successfully performed at CSG (Center Spatial > Guyanaise) facilities before loading with fuel. > > There were 7 Levels of Safety Barriers (hardware and software) to > ensure this !!! > > So don't even think or believe that any P3-Satellite would have ever > been launched without them (the launch provider) knowing what we were > doing! > > Neither CSG (also responsible for the safety of the people at the launch > center), or ESA or Arianespace or any of the other Payloads and > Customers would do that.. > > We have been already discussing P3-E in details and there was no doubt > about it concerning all pre- and post-launch operations, even after the > fate of AO-40!! > What happened to AO-40 later are two completely different shoes.. And > even this was discussed with them in lengthy and they were not > concerned... Shit happens.. > We were told to be still satisfied since our bird was alive for more > than 4 years (!) compared to other commercial satellites they have been > launching and which failed only days later for even more stupid reasons.. > > > So let's stop this kind of destructive assumptions making and > conclusion making, if you don't know what you are talking about.. > > > *** The Launch is the problem... not the propulsion !! *** > > If we bring enough money, they will for sure take P3-E into orbit as > soon as possible.. > > > The rough number of 10 Million Euro is indeed the commercial value, > nothing we paid in the past or will be in the future.. > We always have to look for "compensation"... > > > So, we will continue to fight for it and to find ways to launch P3-E. > > > 73s Peter DB2OS > > There is a saying: Where there's a will, there's a way. A firm belief in > the feasibility of a case involving the feasibility of an idea is the > basis of all creative thought and action.... > If you don't even try and keep your goals low, you will never get beyond > earth surface... > > Hi Peter, DB2OS Thank you very much to remember the story of Propulsion of Phase-3 AMSAT satellite to people that absolutely don't know what they are talking about. 73" de i8CVS Domenico _______________________________________________ Sent via AMSAT-BB@amsat.org. 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
