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Transporter/crawler question
Does the shuttle, and years ago, the Saturn V's launch right off the
transporter/crawler? I can't imagine some sort of transfer being made at the pad of the spacecraft. But if so, how have these things withstood almost 50 years of the heat generated at launch? And are all the clamps and things that you see around the base of the craft installed for each flight? I was looking at a picture of the crawler earlier and it's just a flat surface when it's empty. Very curious about it. Thanks. |
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Transporter/crawler question
On Sat, 26 Feb 2011 00:14:19 -0500, JF Mezei
wrote: wrote: Does the shuttle, and years ago, the Saturn V's launch right off the transporter/crawler? Yep. No. Brian |
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Transporter/crawler question
On Fri, 25 Feb 2011 22:18:57 -0500, wrote:
Does the shuttle, and years ago, the Saturn V's launch right off the transporter/crawler? I can't imagine some sort of transfer being made at the pad of the spacecraft. But if so, how have these things withstood almost 50 years of the heat generated at launch? And are all the clamps and things that you see around the base of the craft installed for each flight? I was looking at a picture of the crawler earlier and it's just a flat surface when it's empty. Very curious about it. Thanks. Thanks for the replues so far. So is this just the crawler-transporter and the launch platform sits atop of it? The the crawler slips out from beneath it and goes home? I'll have to try and find a picture of the launch platform. Does anyone know of a good, detailed picture book of the whole shuttle process? Thanks again. http://en.wikipedia.org/wiki/File:Cr...ransporter.jpg |
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#8
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Transporter/crawler question
bracht volgend idée uit :
On Fri, 25 Feb 2011 22:18:57 -0500, wrote: Does the shuttle, and years ago, the Saturn V's launch right off the transporter/crawler? I can't imagine some sort of transfer being made at the pad of the spacecraft. But if so, how have these things withstood almost 50 years of the heat generated at launch? And are all the clamps and things that you see around the base of the craft installed for each flight? I was looking at a picture of the crawler earlier and it's just a flat surface when it's empty. Very curious about it. Thanks. Okay, I Googles and found picture of the mobile launch platform. That is one massive assembly. So the transporter raises and lowers (probably hydraulically) the launch platform? What an operation! One last question. When I watch a launch, just before ignition, what are all those sparks that fly around the base of the engines? Thanks again for all the help. I'm just a retired guy with time on his hands to ask questions :-) The shuttle main enginse do not have ignitors them selves, those sparks are ignitors mounted on the MLP itself. (If a main eninge shuts down for whatever reason during liftoff, it will not re-ignite. This happened once during the shuttle program) |
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Transporter/crawler question
On 02/26/2011 02:24 PM, =?ISO-8859-15?Q?Andr=E9 wrote:
bracht volgend idée uit : On Fri, 25 Feb 2011 22:18:57 -0500, wrote: Does the shuttle, and years ago, the Saturn V's launch right off the transporter/crawler? I can't imagine some sort of transfer being made at the pad of the spacecraft. But if so, how have these things withstood almost 50 years of the heat generated at launch? And are all the clamps and things that you see around the base of the craft installed for each flight? I was looking at a picture of the crawler earlier and it's just a flat surface when it's empty. Very curious about it. Thanks. Okay, I Googles and found picture of the mobile launch platform. That is one massive assembly. So the transporter raises and lowers (probably hydraulically) the launch platform? What an operation! One last question. When I watch a launch, just before ignition, what are all those sparks that fly around the base of the engines? Thanks again for all the help. I'm just a retired guy with time on his hands to ask questions :-) The shuttle main enginse do not have ignitors them selves, those sparks are ignitors mounted on the MLP itself. Wrong, wrong, wrong. The SSMEs do have ignitors. The spark ignitors on the MLP are used to burn off any excess hydrogen that may be floating around the back of the vehicle prior to SSME ignition. |
#10
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Transporter/crawler question
On Sat, 26 Feb 2011 15:23:14 -0600, "Jorge R. Frank"
wrote: On 02/26/2011 02:24 PM, =?ISO-8859-15?Q?Andr=E9 wrote: bracht volgend idée uit : On Fri, 25 Feb 2011 22:18:57 -0500, wrote: Does the shuttle, and years ago, the Saturn V's launch right off the transporter/crawler? I can't imagine some sort of transfer being made at the pad of the spacecraft. But if so, how have these things withstood almost 50 years of the heat generated at launch? And are all the clamps and things that you see around the base of the craft installed for each flight? I was looking at a picture of the crawler earlier and it's just a flat surface when it's empty. Very curious about it. Thanks. Okay, I Googles and found picture of the mobile launch platform. That is one massive assembly. So the transporter raises and lowers (probably hydraulically) the launch platform? What an operation! One last question. When I watch a launch, just before ignition, what are all those sparks that fly around the base of the engines? Thanks again for all the help. I'm just a retired guy with time on his hands to ask questions :-) The shuttle main enginse do not have ignitors them selves, those sparks are ignitors mounted on the MLP itself. Wrong, wrong, wrong. The SSMEs do have ignitors. The spark ignitors on the MLP are used to burn off any excess hydrogen that may be floating around the back of the vehicle prior to SSME ignition. Okay, I don't know chemistry or physics, bit if there's hydrogen collecting around the main engines and it gets ignited by these sparks, wouldn't it explode. I mean, obviously not or they wouldn't do this, but how do the sparks get rid of it? |
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