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![]() "Mike Rapoport" wrote in message ink.net... "Doug" wrote in message ups.com... Where do you come up with this BS? There is no relationship between climb rate and over temping. Mike MU-2 Well never mind where I got it initially, but it's all on the NTSB website now. There are even the cockpit data recorder info online. They are looking at climb SPEED (they climbed for 15 minutes at slower than the speed called for in the manual, which is in one of the files on the NTSB website), they STALLED the aircraft at 41k (or so). They failed to do a restart. And they are looking at seized engines. It doesn't actually say yet, the engines seized, but they have some reports on engine core lock in the display documents. There is a rather gripping, blow by blow transcription of everything the pilots and ATC said, as well as their struggle to unsuccessfully restart the engines. They aren't looking at fuel or pressurization issues. If you want to actually find out what happened check it out at: http://www.ntsb.gov/events/2005/Pinnacle/exhibits/ The idea about the cooling "cycle" (getting behind the cooling curve), is not there yet and I didn't see engine temperatures in the data recording file. Don't know why. There may be more coming out on that one. Maybe not. Anyway, if the engines DID seize, both of them, there is something peculiar going on with the GE engines, probably related to the speed at which they climbed. But this is all preliminary and obviously not conclusive. This one is going to be interesting. OK that is totally different. Forward speed while climbing in a turbine aircraft near max altitude is critical not only because of l/d but also becasue turbine engines produce more power as higher airspeeds as inlet pressure is higher. Sounds like the pilots of this aircraft operated outside the airplanes flight envelope and then were unfortunate enough to have the engines sieze after they flamed out. Darwinism at work again |
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