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scottjaco

DC-9 Jet at Perris

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28 thou? So we can do HALOs from it, right? Yeah, so I can dream.... :| :P



You wanna go up to that altitude with the door off?! :o ;)

ltdiver


If it was a commercial airliner it probably still has oxygen masks. It would also allow you to cool the beer for later. Just put the case somewhere near the door ;)
HF #682, Team Dirty Sanchez #227
“I simply hate, detest, loathe, despise, and abhor redundancy.”
- Not quite Oscar Wilde...

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28 thou? So we can do HALOs from it, right? Yeah, so I can dream.... :| :P



You wanna go up to that altitude with the door off?! :o ;)

ltdiver


If it was a commercial airliner it probably still has oxygen masks. It would also allow you to cool the beer for later. Just put the case somewhere near the door ;)



Yes, it still has oxygen masks that drop down from the ceiling (our flight attendants nicely demonstrated this for us, as well as how to fasten and unfasten our seat belts...:P ).

I'm just not accustom to (-) 30 degrees on the way to altitude! :|

ltdiver

Don't tell me the sky's the limit when there are footprints on the moon

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>I'm just not accustom to (-) 30 degrees on the way to altitude!

-39 actually (on Monday morning.) Remember that you can close the 'interior' door on the tail exit even if the external stairway door is open.



Wouldn't the issue be more of the exit speed at that alti?
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you can burn the land and boil the sea, but you can't take the sky from me....
I WILL fly again.....

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>I'm just not accustom to (-) 30 degrees on the way to altitude!

-39 actually (on Monday morning.) Remember that you can close the 'interior' door on the tail exit even if the external stairway door is open.



okay....well, it would -still- be cold because the cabin wouldn't be pressurized. :P

ltdiver

Don't tell me the sky's the limit when there are footprints on the moon

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it still has oxygen masks that drop down from the ceiling



Those are chemical oxygen generators, they make it from a chemical reaction, and they don't last long at all. Very few airlines pay the extra money to have bottled emergency oxygen for the passengers, and I think it might only be available for larger planes. I only remember British Airways ordering it for their 777s.
People are sick and tired of being told that ordinary and decent people are fed up in this country with being sick and tired. I’m certainly not, and I’m sick and tired of being told that I am

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I assume you can't use the emergency oxygen that's currently on-board due to the fact that it's chemically generated oxygen.

Wonder if they are gonna install a gaseous O2 system for HALO jumps later?



No they are not for HALO jumps. I was just mentioning that we had them for their regular flights....not skydiver flights.

ltdiver

Don't tell me the sky's the limit when there are footprints on the moon

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>well, it would -still- be cold because the cabin wouldn't be pressurized.

Just because the cabin's not pressurized doesn't mean you have to turn the heat off (despite Ben's reluctance to heat the airplane on the way over.) We went to 26K in an unpressurized Otter in Eloy that was pretty toasty.

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>Wonder if they are gonna install a gaseous O2 system for HALO jumps later?

There are two kinds of O2 systems used in skydiving aircraft now - supplemental and HALO. The supplemental type is the kind most skydivers are familiar with; an orifice-metered plenum that works OK most of the time. The HALO type are 100% demand closed systems that cost on the order of $700 a station. Pretty safe to bet that at most you'll see a supplemental system on that plane. I doubt even that; what's the benefit of jumping from a jet at 22,000 feet over, say, a King Air? It's not like you can launch bigways from it.

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>well, it would -still- be cold because the cabin wouldn't be pressurized.

Just because the cabin's not pressurized doesn't mean you have to turn the heat off (despite Ben's reluctance to heat the airplane on the way over.) We went to 26K in an unpressurized Otter in Eloy that was pretty toasty.



How cold was in on Monday morning, at altitude, in Mullen's King Air?

ltdiver

Don't tell me the sky's the limit when there are footprints on the moon

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>How cold was in on Monday morning, at altitude, in Mullen's King Air?

Very cold where I was! There was ice on the door and windows. 20F maybe? I was envious of the guys in the front near Mullins; you know he was keeping himself comfy (he had only a shortsleeve shirt on.)

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>Wonder if they are gonna install a gaseous O2 system for HALO jumps later?

There are two kinds of O2 systems used in skydiving aircraft now - supplemental and HALO. The supplemental type is the kind most skydivers are familiar with; an orifice-metered plenum that works OK most of the time. The HALO type are 100% demand closed systems that cost on the order of $700 a station. Pretty safe to bet that at most you'll see a supplemental system on that plane. I doubt even that; what's the benefit of jumping from a jet at 22,000 feet over, say, a King Air? It's not like you can launch bigways from it.



I have a feeling Beerlight is familiar with HALO or console O2 systems.:)
Sparky
My idea of a fair fight is clubbing baby seals

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3 1/2 hours from door to door going East. 4 hours (with a fuel stop in Pueblo, CO) coming home.



I heard there was a story behind this (no fuel stop on first leg). Care to share?
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3 1/2 hours from door to door going East. 4 hours (with a fuel stop in Pueblo, CO) coming home.

The scenery below was amazing. Crossing over the Rockies at 28,000' was spectacular.


ltdiver



Wow, nice. It took us 12 hours each way in the DC-3 a few years ago with about 4 stops each way. Most for oil and not fuel:ph34r:. We did get to share some tator tots with the local folk.

Of course we crossed the rockies at only 13,000 feet. Most of the ride was at 12~11,000 feet.

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>I have a feeling Beerlight is familiar with HALO or console O2 systems.

Oh, sorry.

Story from Monday - I was listening to a HALO guy talk about the system. At one point he said " . . . and then you'll switch from the 100% O2 aircraft system to your own system which is 22% oxygen."

"22%?" I asked. "Isn't that about the same mix as normal air? 22% oxygen and the rest nitrogen?"

"Yep, that's the point," he said.

"I mean, isn't the air in the plane 22% oxygen too? The mixture stays pretty constant up to 30,000 feet, doesn't it?"

"No! There's almost no oxygen up there!"

"Well, yeah, but isn't that because there's less of _everything_ up there?"

"Nope, there's just less oxygen."

"OK," I said. I picked up the bailout bottle. "But this has 100% oxygen, not compressed air in it, right?"

"Right."

"OK."

I think we got confused on the difference between partial pressure of oxygen in the mix and percentage of oxygen total. But for a few seconds there I thought he was telling me they were putting people out on compressed air.

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"No! There's almost no oxygen up there!"



You have the same % of O2 at 30,000 feet as you do at sea level. It just spread out more. :P

I don't think I would do "high altitude" with this guy running the show.:S

Sparky
My idea of a fair fight is clubbing baby seals

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The HALO type are 100% demand closed systems that cost on the order of $700 a station.

$700? That is for an O-ring, right?:P

The 8 station console is around $13,000 and it is about $3,700 per complete unit for each person with a single 80cu in. bottle.
Time and pressure will always show you who a person really is!

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