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#1
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Woot! Clean launch. Go Endeavor!
Some problems with flash evaporators but other than that, all seems well. Also glad to see those ECO sensors issues seem like a thing of the past. The new photo strobes during ET separation were nifty. Anyone know where they're mounted? Are the photos being made of teh shuttle's belly or of the ET itself? Oh, and is it just my opinion or did the CNN International guy who was covering the launch come off like a complete doofus? It reminded me a bit of the movie Best in Show and the punchy commentator played by Fred Willard who makes all the painfully obvious comments opposite the commentator who actually knows who actually knew what was going on. Best Regards, -- Todd H. http://toddh.net/ |
#3
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Woot! Clean launch. Go Endeavor!
"Brian Gaff" wrote in
m: Are these not pretty standard Nikon units in the umbilical wells? An attempt at clarification: Recent Shuttle flights have been using a video camera mounted on the ET; it continues to transmit video even after ET separation. There may indeed be still cameras located in the umbilical wells. The ET camera shows all kinds of interesting events, especially weird-looking out-gassing around the Shuttle. That's what we've been discussing. (There are multiple cameras mounted on the SRBs as well, but are not part of the video downlink; these are available after SRB recovery.) Tonight's launch was in total darkness after SRB separation, except for a very faint glow from the SSMEs, the OMS engines, possibly from the APU exhaust, and intermittent flashes possibly from a strobe system during ET separation. I watched the replay video and can only discribe it as a glowing and pulsing nimbus of light, often greenish, to the aft of the orbiter during powered ascent which expands as the Shuttle climbs out of the atmosphere and into vacuum. At some points the orbiter itself seemed to be enveloped in this nimbus, which I assume was from the APU exhaust which continue to run for a while after SSME shutdown and ET separation. Some of it was downright spooky. --Damon |
#4
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Woot! Clean launch. Go Endeavor!
On Mar 11, 5:27*am, Damon Hill wrote:
"Brian Gaff" wrote . com: Are these not pretty standard Nikon units in the umbilical wells? An attempt at clarification: Recent Shuttle flights have been using a video camera mounted on the ET; it continues to transmit video even after ET separation. *There may indeed be still cameras located in the umbilical wells. *The ET camera shows all kinds of interesting events, especially weird-looking out-gassing around the Shuttle. *That's what we've been discussing. (There are multiple cameras mounted on the SRBs as well, but are not part of the video downlink; these are available after SRB recovery.) Tonight's launch was in total darkness after SRB separation, except for a very faint glow from the SSMEs, the OMS engines, possibly from the APU exhaust, and intermittent flashes possibly from a strobe system during ET separation. I watched the replay video and can only discribe it as a glowing and pulsing nimbus of light, often greenish, to the aft of the orbiter during powered ascent which expands as the Shuttle climbs out of the atmosphere and into vacuum. *At some points the orbiter itself seemed to be enveloped in this nimbus, which I assume was from the APU exhaust which continue to run for a while after SSME shutdown and ET separation. Some of it was downright spooky. --Damon I didnt know about the strobes . . . that explains what seemed to be changes in camera settings . . . which just didnt make any sense to me. Thanks for the clarification. John |
#5
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Woot! Clean launch. Go Endeavor!
Todd H. wrote:
Some problems with flash evaporators but other than that, all seems well. Also glad to see those ECO sensors issues seem like a thing of the past. The new photo strobes during ET separation were nifty. Anyone know where they're mounted? In the orbiter's ET umbilical well. Are the photos being made of teh shuttle's belly or of the ET itself? The ET. |
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