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The Home of Photos in Dunnunda! Mk I

Old 22nd Jul 2009, 12:13
  #5281 (permalink)  
 
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Just curious, what exactly do you single engine drivers do at such high altitudes?
When IFR, read a magazine, watch a stick flick, browse PPrune etc.



WARBO, you've got a couple of empty holes on the ole' dash!
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Old 22nd Jul 2009, 12:26
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The Ovation has 280 hp
My mistake! The only Ovation I have seen has 310hp painted on the tail.

I'm not happy flying much higher - using a nasal cannula for 02 delivery, I find my blood O2 saturation trends towards at or below safe levels when operating at FL170
OK, I go to FL180 with a cannula with no problem maintaining >90% O2 saturation. That's OK cause I can't get much higher.

I can't be bothered using a full face mask.
Wont argue with that! I dropped $300 on one with a mic - but can't stand wearing it.

Dr
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Old 22nd Jul 2009, 12:43
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WannabeQF wrote:

Just curious, what exactly do you single engine drivers do at such high altitudes?
Monitor progress of the flight, change tanks every 1/2 hour, lookout for flat open spaces just in case, position report as required, try and stay awake - just the usual stuff. I keep binoculars on board, and on a long flight I will explore the terrain as it glides past - great way to pass the time.

A practical way of testing your O2 stats is to do Suduko or a Crossword, and if/when you start to have trouble with the solution you crank the O2 flow up a notch.

FTDK wrote:

My mistake! The only Ovation I have seen has 310 hp painted on the tail.
That's the Ovation 3, and there are none in Australia (yet). Could be one delivered to an owner in QLD in a month or so. If the AUD keeps going up I'd be tempted myself.
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Old 22nd Jul 2009, 12:57
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A practical way of testing your O2 stats is to do Suduko or a Crossword
Oh dear! I can't do either at Sea Level.

Dr
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Old 22nd Jul 2009, 13:00
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A practical way of testing your O2 stats is to do Suduko or a Crossword, and if/when you start to have trouble with the solution you crank the O2 flow up a notch.
The problem with that technique is that you WON'T recognize the symptoms!
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Old 22nd Jul 2009, 13:03
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Yes.....lovely thing to wear those masks.........



For those familiar with the theory of wx radar shielding (where a strong return close by can mask or give the impression that there is an area clear of wx behind it, here is a classic example.......



....and here are two views of the same event.....a storm cell on the scope vs the view out the window.


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Old 22nd Jul 2009, 13:11
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Just curious, what exactly do you single engine drivers do at such high altitudes?
All depends where you are QF. If you're over the Alps in winter at night, you find yourself becoming religious all of a sudden
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Old 22nd Jul 2009, 13:12
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....and the problem with SpO2 monitors is that they are reading SpO2....NOT PaO2; the relationship between the two is not linear, so by the time the SpO2 has fallen to a level below optimal (arguably <98%), the arterial saturation is way lower and the incipient/actual hypoxia can undermine your ability to recognise the problem!

They also cannot differentiate between oxyhaemoglobin saturation and carboxyhaemoglobin saturation - ie they cannot warn you that you are suffering carbon monoxide poisoning, which can be an issue in piston aeroplanes at high level where you need to use cabin heat supplied by either an exhaust muff or a fuel-fired heater........
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Old 22nd Jul 2009, 13:15
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Glad you did not reveal your identity there Jamair!!!

Not much better looking in real life!!!!.......Mind you my Missus thinks you are all right!

But......then again she thinks Chucks a handsome lad too..... so dont get too carried away with it!
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Old 22nd Jul 2009, 13:23
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....yer missus needs a new guide dog......I'm HEAPS hotter than Chuck!

...but seriously, how ferkin' good is this thread; and how freakin lucky are we to work in this environment
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Old 22nd Jul 2009, 14:46
  #5291 (permalink)  

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I hate masks...in Talair we ripped the mask off the end of the tube and stuck the tube in our mouths...worked good
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Old 22nd Jul 2009, 15:08
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Wannabe you crack me up... Isnt 'Heavy metal' your speciality?
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Old 22nd Jul 2009, 15:22
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Try this link, hopefully it works, definitely not a single engine aircraft!

Airbus A380 - cockpit | p a n o r e p o r t a g e | g i l l e s v i d a l
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Old 22nd Jul 2009, 15:39
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Jamair wrote:

....and the problem with SpO2 monitors is that they are reading SpO2....NOT PaO2; the relationship between the two is not linear, so by the time the SpO2 has fallen to a level below optimal (arguably <98%), the arterial saturation is way lower and the incipient/actual hypoxia can undermine your ability to recognise the problem!

They also cannot differentiate between oxyhaemoglobin saturation and carboxyhaemoglobin saturation - ie they cannot warn you that you are suffering carbon monoxide poisoning, which can be an issue in piston aeroplanes at high level where you need to use cabin heat supplied by either an exhaust muff or a fuel-fired heater........
Can you repeat that in plain English?

Seriously, the Ovation has two independent CO detectors, one being a CO Guardian Aero 152A, and the other a Domestic unit (from Home Depot), and Ovation has completed a High Altitude Training course at RAAF Edinburgh.

While I'm at Oshkosh next week (eat your hearts out guys) I've got the CO Guardian Panel Mount Aero 452 14/28V RS232 for MFD on top of the shopping list.
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Old 22nd Jul 2009, 22:15
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While I'm at Oshkosh next week
I hate you......

Short answer: The pulse oximeter is a good bit of kit but has limitations which means users need to be very aware of what they are looking at with the numbers.
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Old 22nd Jul 2009, 23:36
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I apologise in advance for the "drift" away from "More Photos", but there seems to be some interest in CO detection.

Here is a link to an excellent feature on AVWEB showing what happens in real life.

Carbon Monoxide Detectors
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Old 23rd Jul 2009, 05:39
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WannabeQF Wrote -

Yeah i know but i have been made retrenched.
From which company?
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Old 23rd Jul 2009, 05:49
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WannabeQF Wrote -


Quote:
Yeah i know but i have been made retrenched.

From which company?
At a rough guess I would say this one,

Fantasy Airlines
Specialising in Flight SimX and Mastubatory Teenage Dream Charters
14 Acne Boulevard,
PINHEAD, PMPKNHD, 1010


Made retrenched indeed...
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Old 23rd Jul 2009, 06:41
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At a rough guess I would say this one,

Fantasy Airlines
Specialising in Flight SimX and Mastubatory Teenage Dream Charters
14 Acne Boulevard,
PINHEAD, PMPKNHD, 1010
I agree. Sounds like just the place for a specialist in heavy metal who asks about the colourblind test for entry to airlines. mmmm.

Maybe he was retrenched from a non-airline? Let us in on the secret WannabeeQF. Which company?
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Old 23rd Jul 2009, 06:55
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Maybe he was retrenched from a non-airline?
Doubt it, a few months ago he was asking about Bachelor of Aviation degrees
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