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#21
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Skydiving and FAA regs
On Tue, 26 May 2009 10:53:34 -0400, Mike Ash wrote:
And there is of course an entire sport dedicated to this called paragliding. I believe their parachutes are somewhat different, but that just means it's harder to thermal a skydiving parachute, not impossible. Despite some similarities in appearance and construction, a paraglider is COMPLETELY different from a skydiving parachute. A paraglider is a wing (PG pilot's don't call them "parachutes"), designed solely for gliding flight, and cannot be used for jumping (the shock of a free fall opening would destroy it). But yes, it's just [barely] possible to thermal a skydiving parachute. And there are some horror stories of people who have bailed out into thunderstorms and reached alarming altitudes... -Dana -- When you get it right mighty beasts float up into the sky When you get it wrong people die -Roger Bacon (c1384) |
#22
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Skydiving and FAA regs
On Tue, 26 May 2009 13:46:36 +0000, good grief wrote:
Best I can tell he was humorously alluding to the fact that skydivers cannot go back up and that "climbing" would be some sort of altitude violation (or at the very least a violation of the laws of physics.) ;-) Of course I could be wrong...... You were right. Oh, well; *I* thought it pretty funny. - Andrew |
#23
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Skydiving and FAA regs
In article ,
Dana M. Hague wrote: On Tue, 26 May 2009 10:53:34 -0400, Mike Ash wrote: And there is of course an entire sport dedicated to this called paragliding. I believe their parachutes are somewhat different, but that just means it's harder to thermal a skydiving parachute, not impossible. Despite some similarities in appearance and construction, a paraglider is COMPLETELY different from a skydiving parachute. A paraglider is a wing (PG pilot's don't call them "parachutes"), designed solely for gliding flight, and cannot be used for jumping (the shock of a free fall opening would destroy it). What do they think the "para" in "paragliding" comes from, then? Good information about the opening shock. I had no idea about that. -- Mike Ash Radio Free Earth Broadcasting from our climate-controlled studios deep inside the Moon |
#24
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Skydiving and FAA regs
In article ,
Dana M. Hague wrote: On Tue, 26 May 2009 10:53:34 -0400, Mike Ash wrote: And there is of course an entire sport dedicated to this called paragliding. I believe their parachutes are somewhat different, but that just means it's harder to thermal a skydiving parachute, not impossible. Despite some similarities in appearance and construction, a paraglider is COMPLETELY different from a skydiving parachute. A paraglider is a wing (PG pilot's don't call them "parachutes"), designed solely for gliding flight, and cannot be used for jumping (the shock of a free fall opening would destroy it). But yes, it's just [barely] possible to thermal a skydiving parachute. And there are some horror stories of people who have bailed out into thunderstorms and reached alarming altitudes... "The Man Who Rode the Thunder", Lt. Col. William Rankin, USMC, for one. |
#25
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Skydiving and FAA regs
"Andrew Gideon" wrote in message ... On Tue, 26 May 2009 13:46:36 +0000, good grief wrote: Best I can tell he was humorously alluding to the fact that skydivers cannot go back up and that "climbing" would be some sort of altitude violation (or at the very least a violation of the laws of physics.) ;-) Of course I could be wrong...... You were right. Oh, well; *I* thought it pretty funny. - Andrew I wan smile was about the best I could do, but you do have a point--on some days, this NG does look like the home of the profoundly humor impaired... :-( Peter |
#26
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Skydiving and FAA regs
On May 27, 9:22*am, Mike Ash wrote:
In article , *Dana M. Hague wrote: On Tue, 26 May 2009 10:53:34 -0400, Mike Ash wrote: And there is of course an entire sport dedicated to this called paragliding. I believe their parachutes are somewhat different, but that just means it's harder to thermal a skydiving parachute, not impossible. Despite some similarities in appearance and construction, a paraglider is COMPLETELY different from a skydiving parachute. *A paraglider is a wing (PG pilot's don't call them "parachutes"), designed solely for gliding flight, and cannot be used for jumping (the shock of a free fall opening would destroy it). What do they think the "para" in "paragliding" comes from, then? Good information about the opening shock. I had no idea about that. -- Mike Ash Radio Free Earth Broadcasting from our climate-controlled studios deep inside the Moon Yep. One of the most realistic moments in the latest Star Trek film was the ad hoc tandem jump of Kirk and Sulu. Upon deployment Kirk's canopy is immediately ripped away. Although (IIRC) the film indicated a riser-harness (french links! those *******s!) failure it is more likely that a riser connection would fail or seams would rip leading to a 'blown out' canopy. That's one of the reasons tandem jumps use drogue chutes. |
#27
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Skydiving and FAA regs
On May 27, 9:11*pm, "Peter Dohm" wrote:
"Andrew Gideon" wrote in message ... On Tue, 26 May 2009 13:46:36 +0000, good grief wrote: Best I can tell he was humorously alluding to the fact that skydivers cannot go back up and that "climbing" would be some sort of altitude violation (or at the very least a violation of the laws of physics.) ;-) Of course I could be wrong...... You were right. *Oh, well; *I* thought it pretty funny. - Andrew I wan smile was about the best I could do, but you do have a point--on some days, this NG does look like the home of the profoundly humor impaired... :-( Peter If only someone here understood what you were trying to say.... ;-) |
#28
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Skydiving and FAA regs
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#29
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Skydiving and FAA regs
On May 28, 7:06*am, "Steven P. McNicoll"
wrote: wrote: Yep. *One of the most realistic moments in the latest Star Trek film was the ad hoc tandem jump of Kirk and Sulu. *Upon deployment Kirk's canopy is immediately ripped away. *Although (IIRC) the film indicated a riser-harness (french links! those *******s!) failure it is more likely that a riser connection would fail or seams would rip leading to a 'blown out' canopy. *That's one of the reasons tandem jumps use drogue chutes. That "realistic" tandem jump was preceded by a jump from orbit. Actually, if you paid attention to the dialog (albeit brief) the mining platform was not 'in orbit' but was rather 'in hover'. Thus the jump was not 'from orbit' and was not subject to re-entry conditions. Instead it was more akin to Joe Kittinger's jump in 1960 from 102,000 feet in a balloon. http://www.aerospaceweb.org/question...cs/q0243.shtml |
#30
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Skydiving and FAA regs
Yep. One of the most realistic moments in the latest Star Trek film
was the ad hoc tandem jump of Kirk and Sulu. Upon deployment Kirk's canopy is immediately ripped away. Although (IIRC) the film indicated a riser-harness (french links! those *******s!) failure it is more likely that a riser connection would fail or seams would rip leading to a 'blown out' canopy. That's one of the reasons tandem jumps use drogue chutes. That "realistic" tandem jump was preceded by a jump from orbit. Actually, if you paid attention to the dialog (albeit brief) the mining platform was not 'in orbit' but was rather 'in hover'. Thus the jump was not 'from orbit' and was not subject to re-entry conditions. Instead it was more akin to Joe Kittinger's jump in 1960 from 102,000 feet in a balloon. http://www.aerospaceweb.org/question...cs/q0243.shtml Boy! that'd be a bitch to "spot"!........ with the DZ moving at 1000 mph below you and the surface dragging the atmosphere with it. I guess you could drop some streamers. ;-) I wonder how you'd do the "hover" thing? Also, I haven't seen the movie yet but WTF could they possibly be mining in open space? Dark matter? ~ tp |
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