IFACN
Topic Author
Posts: 149
Joined: Sun Nov 20, 2005 7:14 am

Hot, Hot Cabin

Sun Jul 29, 2007 11:48 pm

...another "technical" question.

Recently here in Italy has been very hot.

Picking up a C172 parked in the sun for the whole day usually means that the cabin temperature is around 40 Celsius (104 F), but I've seen up to 52 (126 F).

Any suggestions from experienced pilots about how to get some comfort?

On a car usually there's the air conditioner, but those planes only have the forced air outlets over the front seats, and flying with the side window open doesn't seem a good idea...

Regards,
A.
 
zanl188
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RE: Hot, Hot Cabin

Sun Jul 29, 2007 11:55 pm

Put a cover on the windshield. There good for a 5 to 10 deg cooler cockpit
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N231YE
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 12:00 am

The best you can do is taxi with the windows open. Once you are flying, the air out of the vents is usually adequate.

I assume you are a pilot? If so, try to fly higher...the air is much colder up there.

By the way, you can open up the windows in flight, (at least on the -N and -R models I have flown). The only problem; the airflow and noise is very high, and it can get annoying.
 
2H4
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 12:33 am

Quoting IFACN (Thread starter):
Any suggestions from experienced pilots about how to get some comfort?

I met some guys up at Oshkosh who were walking around with "neck cooling devices" around the back of their necks. The devices appeared to be cloth or neoprene. I'm not sure exactly how they work, but I think you soak them in water, and the evaporating water helps to keep you cool. Apparently, they work really well, and might help you out in the airplane.


2H4

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smcmac32msn
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 1:13 am

Quoting 2H4 (Reply 3):
I met some guys up at Oshkosh who were walking around with "neck cooling devices" around the back of their necks. The devices appeared to be cloth or neoprene. I'm not sure exactly how they work, but I think you soak them in water, and the evaporating water helps to keep you cool. Apparently, they work really well, and might help you out in the airplane.


A towel does the same thing. A lot cheaper than these fancy "Oshkosh Gadgets" that these pilots come up with up there.
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futurecaptain
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 1:45 am

Quoting IFACN (Thread starter):
and flying with the side window open doesn't seem a good idea

Why does it not seem like a good idea? I'm suprised your instructor hasn't been doing it if it is that hot outside. It works great to get a little air flow in the cabin.
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zanl188
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 2:03 am

Quoting IFACN (Thread starter):
and flying with the side window open doesn't seem a good idea...



Quoting N231YE (Reply 2):
The best you can do is taxi with the windows open.



Quoting Futurecaptain (Reply 5):
and flying with the side window open doesn't seem a good idea

Why does it not seem like a good idea?

To heck with the open window not seeming like a good idea....

Take the door off...

http://www.qldaviation.com/photography.htm
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2H4
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 2:10 am

Quoting ZANL188 (Reply 6):
To heck with the open window not seeming like a good idea....

Take the door off...

Heck, remove all the windows and fuselage panels while you're at it:


View Large View Medium
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Photo © James Richard Covington
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Photo © Alex R. Lloyd




2H4

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IFixPlanes
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 2:45 am

never tell an engineer he is wrong ;-)
 
9VSIO
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 4:32 am

Well, on my preflight, the first thing I do is open both doors in an attempt to get some fresh cool air into the cockpit. It usually cools down pretty quickly. I don't close the doors till I am on "before engine start", where it specifies doors to b closed. Even then I leave the windows open.
Me: (Lining up on final) I shall now select an aiming point. || Instructor: Well, I hope it's the runway...
 
tlfd29
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 6:47 am

If you ask me doing some low and slow on a hot summer night with the window propped open is an experience that's hard to beat.
 
pilotpip
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 7:36 am

Be careful. Your cessna will have a limitation on opening the window:

RED LINE

Dude, it's hot outside. Open the window. Why isn't it a good idea? It's totally ok wiht the manufacturers. You're not going much faster than a car, and the only thing that's noticably different is the noise.
DMI
 
9VSIO
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 7:57 am

Would it add much to the drag/fuel burn?
Me: (Lining up on final) I shall now select an aiming point. || Instructor: Well, I hope it's the runway...
 
pilotpip
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 8:00 am

If it did, they'd mention it. Personally, I don't really care when it's that hot outside. I've had the window open doing photography for over two hours and the floats looked like they were at the same point as they would have been with the windows closed.
DMI
 
hangarrat
Posts: 428
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RE: Hot, Hot Cabin

Mon Jul 30, 2007 8:08 am

Quoting 2H4 (Reply 7):

Heck, remove all the windows and fuselage panels while you're at it:

I can recommend it, but only for a short summer afternoon jaunt.

http://www.airliners.net/uf/view.fil...5421&filename=1185749839Z8U7Ia.jpg

I'm in the backseat. The camera, with a wide-angle lens, was mounted with a magic arm on the top of the nosegear strut and I triggered it with a remote. Although credit for pulling this off has to be shared with the photographer who rigged the camera, it was my idea for a feature I reported on the centennial of flight a few years ago. The photog politely declined a ride.

[Edited 2007-07-30 01:14:26]
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T prop
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RE: Hot, Hot Cabin

Tue Jul 31, 2007 4:49 pm

Turn on the big fan up front.  Big grin
 
IFACN
Topic Author
Posts: 149
Joined: Sun Nov 20, 2005 7:14 am

RE: Hot, Hot Cabin

Tue Jul 31, 2007 5:29 pm

Thanks for your comments!

Taxiing with both windows and my door open is my normal procedure.
Opening the cabin air intakes is also my normal procedure.

Opening the window in flight... uhm, opening is not a problem, but maybe closing it back...  Smile

Flying higher is not possible, because our area is limited at 2000 ft AMSL (over there it's the Milan TMA, "A" airspace protecting LIML and LIMC airports). Just a small portion near our airfield limits to 2500 ft AMSL.

I think that a wet towel on my neck should be fine, if this isn't enough I'll try to find a flying school in Scandinavia.

Bye,
A.
 
pilotpip
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RE: Hot, Hot Cabin

Wed Aug 01, 2007 2:32 pm

If you don't have enough strenth to close a cessna window in flight, you don't have enough to operate the yoke and shouldn't be flying. It's really not that tough, even when the screw is out of the stop and the window opens all the way to the top (common configuration when doing photography.
DMI
 
2H4
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RE: Hot, Hot Cabin

Wed Aug 01, 2007 11:28 pm

Don't forget hydration!

On longer/hotter flights, think about bringing a hydration pack (ie: Camelbak). They beat the heck out of bottles of water for two reasons:

1) Filled with ice, the water will stay ice-cold for 4 or 5 hours.

2) If your hydration pack is a decent one, it will be virtually spill-proof.


2H4

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silentbob
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Joined: Tue Aug 15, 2006 1:26 pm

RE: Hot, Hot Cabin

Thu Aug 02, 2007 2:38 am

Quoting Smcmac32msn (Reply 4):
A towel does the same thing. A lot cheaper than these fancy "Oshkosh Gadgets" that these pilots come up with up there.

Throwing a damp towel in the freezer for a couple hours before you leave for the airport wouldn't hurt either.
 
Soku39
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Joined: Fri Nov 03, 2000 7:16 am

RE: Hot, Hot Cabin

Thu Aug 02, 2007 3:08 pm

Well during preflight I open up both doors all the way forward, I do my preflight and by the time I'm done it's usualy cool (or cooler,if the wind is blowing) than the outside air temp. Especialy on Cessnas with those doors opening up all the way to 60 or 70 degrees, it's practicaly an open air cockpit at that point.
The Ohio Player
 
DKCFII
Posts: 22
Joined: Wed Feb 21, 2007 5:49 pm

RE: Hot, Hot Cabin

Fri Aug 03, 2007 8:19 am

As many people have already said, the best thing to do is open the windows while taxiing and throw a wet washcloth on your neck. I find the washcloth works really well, and try to wear some lightweight clothes if you can.

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