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#11
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On Mon, 24 May 2004 05:59:12 GMT, Paul wrote:
The item in the photo at the link below was found impacted on the desert floor .... anyone seen anything like this before? Please excuse the shadow - the photographer wasn't paying attention. 121KB http://home.earthlink.net/~jpa_2/wreckage_sm.jpg I wonder if that smooth piece towards the bottom is the piece of fairing on an afterburner that butts up against the skin of the aircraft and the cylinders are the actuators for expanding and contracting the nozzle on the afterburner. |
#13
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![]() "Kevin Willoughby" wrote in message ... The shadow of the photographer is a pretty good hint. The crisp edges of the shadow imply something close to life-size. So the image is roughly six foot high. Image width is maybe nine feet. Too big to drag for half an hour back to the car, then ![]() |
#14
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![]() Mary Shafer wrote: Yeah, not exactly like, but it's pretty obviously aircraft debris. I mean, it hasn't reentered the atmosphere, since there's no melting and the paint is still there, so it's not part of a satellite or spacecraft. Not necessarily the case; recon satellite film return buckets jettison their heatshield before landing to lessen the weight the recovery parachutes have to bear. For some reason, I keep thinking F-4. I don't know why, though. RF-4s carried a parachute-dropable film-return pod mounted in the underside of the nose. How about some dimensions and materials? A picture may be worth a thousand words, but a picture with dimensions and some words is worth a lot more. I've been thinking about it at work...remote-controlled tail turret assembly off of a bomber? Pat |
#15
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In article , Scott Ferrin wrote:
On Mon, 24 May 2004 05:59:12 GMT, Paul wrote: The item in the photo at the link below was found impacted on the desert floor .... anyone seen anything like this before? Please excuse the shadow - the photographer wasn't paying attention. 121KB http://home.earthlink.net/~jpa_2/wreckage_sm.jpg I wonder if that smooth piece towards the bottom is the piece of fairing on an afterburner that butts up against the skin of the aircraft and the cylinders are the actuators for expanding and contracting the nozzle on the afterburner... ....and I wouldn't sweat the shadow, myself, Paul; do you realize how many MER images we have of beautiful sweeping Martian landscapes and raw, pitted lava rocks taken in early morning or late afternoon, where the rover had the sun at her back and you can see the shadow of her "head" in the picture? -- "All over, people changing their votes, along with their overcoats; if Adolf Hitler flew in today, they'd send a limousine anyway!" --the clash. __________________________________________________ _________________ Mike Flugennock, flugennock at sinkers dot org Mike Flugennock's Mikey'zine, dubya dubya dubya dot sinkers dot org |
#16
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In article , Kevin Willoughby
wrote: In article , says... How about some dimensions [...]? A picture may be worth a thousand words, but a picture with dimensions and some words is worth a lot more. The shadow of the photographer is a pretty good hint. The crisp edges of the shadow imply something close to life-size. So the image is roughly six foot high. Image width is maybe nine feet... Hmm. I'm not so sure. Was Paul leaning over very far when he imaged this debris? from the way the shadow is formed, I suspect he was standing up, towards mid-day, when this was shot. On a slightly-related subject, Opportunity seems to have spotted her old backshell again in http://marsrovers.jpl.nasa.gov/galle...B118R1_br2.jpg ....in the left third of the pan, at about ten o'clock from the low-gain mast. And I'll bet there's _still_ some engineer at JPL who's wishing like hell he could steer over there and get some nice clean close-ups of the effects of atmospheric entry and the subsequent five months of weathering. -- "All over, people changing their votes, along with their overcoats; if Adolf Hitler flew in today, they'd send a limousine anyway!" --the clash. __________________________________________________ _________________ Mike Flugennock, flugennock at sinkers dot org Mike Flugennock's Mikey'zine, dubya dubya dubya dot sinkers dot org |
#17
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In article ,
Pat Flannery writes: Mary Shafer wrote: Yeah, not exactly like, but it's pretty obviously aircraft debris. I mean, it hasn't reentered the atmosphere, since there's no melting and the paint is still there, so it's not part of a satellite or spacecraft. Not necessarily the case; recon satellite film return buckets jettison their heatshield before landing to lessen the weight the recovery parachutes have to bear. Of course, we haven't been doing any return capsule stuff for nearly 30 years. For some reason, I keep thinking F-4. I don't know why, though. This may sound a bit odd - but I'm wondering if it isn't the lower seat/motor structure of an ejection seat. Somebody mentioned manifolds & nozzles before. Some rocket seats use a system where the gas generators (motors) feed into a manifold woth a whole slew of nozzles to give better stabilization on the way out/up, and also make a thinner rocket, since height is more precious than width in an airplane cockpit. RF-4s carried a parachute-dropable film-return pod mounted in the underside of the nose. And abandoned it right off the bat. They found that the big time sink in Photo Recon is Photo Interpretation. (Which takes place in comfy air-conditioned rooms back at the Big Air Base, rather than some grimy TOC in the middle of the Boonies. WHile troops in thefield like timely information, the way to get it turns out not to be dropping several thousand feet for delicate film into the lap of a Brigade S-2, which then has to be gone over by magnifier & stereoscope to make head or tail out of. I've been thinking about it at work...remote-controlled tail turret assembly off of a bomber? I don't think so - it's too small, and not enough wires. Check out Radio Research (Found through the Thomas Register) for what would be involved. Pat - I've already got dibs on the B-47 radar/turret combination. -- Pete Stickney A strong conviction that something must be done is the parent of many bad measures. -- Daniel Webster |
#18
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![]() "Mike Flugennock" wrote in message ... ...and I wouldn't sweat the shadow, myself, Paul; do you realize how many MER images we have of beautiful sweeping Martian landscapes and raw, pitted lava rocks taken in early morning or late afternoon, where the rover had the sun at her back and you can see the shadow of her "head" in the picture? Don't rub it in, mate. She's feeling down enough as it is ![]() http://www.livejournal.com/users/opp...rrl/12041.html |
#19
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In article ,
says... "Mike Flugennock" wrote in message ... ...and I wouldn't sweat the shadow, myself, Paul; do you realize how many MER images we have of beautiful sweeping Martian landscapes and raw, pitted lava rocks taken in early morning or late afternoon, where the rover had the sun at her back and you can see the shadow of her "head" in the picture? Don't rub it in, mate. She's feeling down enough as it is ![]() http://www.livejournal.com/users/opp...rrl/12041.html I'm getting a little worried about Spirit Girl, though -- she hasn't posted to her livejournal in more than a month. Doug |
#20
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In article ,
says... snip On a slightly-related subject, Opportunity seems to have spotted her old backshell again in http://marsrovers.jpl.nasa.gov/galle...B118R1_br2.jpg ...in the left third of the pan, at about ten o'clock from the low-gain mast. That's not the backshell -- that's the heatshield. And I'll bet there's _still_ some engineer at JPL who's wishing like hell he could steer over there and get some nice clean close-ups of the effects of atmospheric entry and the subsequent five months of weathering. Steve Squyres said as much during the last press conference -- he'd REALLY like to see the effects of entry on the shield. And, like I've been saying for some time, it's obvious that the heatshield's impact dug a hole that's deeper than any other fresh hole at the landing site. Squyres really wants a look into that hole, too. So, I'll betcha we get to visit the heatshield before it's all over... Doug |
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