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  #1  
Old 01-01-2018, 03:46 PM
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donaziza donaziza is online now
 
Join Date: Jun 2007
Location: Atlanta
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Question Avionics sitting in cold weather??

Anyone know if long periods of sitting in cold weather is harmful to avionics? Nothing exotic, just a Garmin 496 and a Dynon 180. Obviously, the 496, I can take home, the Dynon, no. Also got a Nexus 9 Android which I always take home, as Garmin Pilot is always putting out updates.

Just wondering.
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  #2  
Old 01-01-2018, 07:03 PM
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RV8JD RV8JD is offline
 
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I see you're in Atlanta ... cold, huh? (Just kidding, just kidding!)

Anyway, check out pages 11-8 and 11-11 from the D180 Pilot's User Guide:
"Operating Temperature: -22° to 122° F (-30° to 50° C)"
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Last edited by RV8JD : 01-01-2018 at 07:09 PM.
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  #3  
Old 01-01-2018, 07:26 PM
BobTurner BobTurner is offline
 
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If it's cold enough, your Li ion back up batteries may stop working. But it doesn't get that cold in Atlanta.
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Old 01-01-2018, 07:33 PM
DNeufeld DNeufeld is offline
 
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Leave a 60w trouble light on in the closed cockpit.
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Old 01-01-2018, 07:36 PM
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Mel Mel is offline
 
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Quote:
Originally Posted by DNeufeld View Post
Leave a 60w trouble light on in the closed cockpit.
Be very careful doing this. Make sure that the bulb cannot touch anything flammable like upholstery or carpet.
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  #6  
Old 01-01-2018, 07:41 PM
pa38112 pa38112 is offline
 
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It does not hurt for them to sit in the cold, but if you try to use them in the cold it can cause the display to cut out. Most avionics that are temperature sensitive have an internal heater, but I try to get them up to 50 degrees before turning them on.
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Old 01-01-2018, 09:13 PM
Rallylancer122 Rallylancer122 is offline
 
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Location: Oconto, WI
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I heard that on some of the older Apollo/Garmin GPS's the LCD's could freeze. My Dad left one in an unheated hanger for a few years (Wisconsin) and when I put power to it last year it powered up but the screen was kaput. These were late 90's era, and I'm told more modern stuff is ok.

That being said it always seems like the mechanical gyros make more noise starting up when it's really cold out. If it's that hard on the bearings in our engines (which we religiously preheat), how is it better for them? I've resorted to throwing a space heater in the cockpit as part of preflight.

I would never leave any heat generating source in the cockpit unattended.

DEM
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Old 01-01-2018, 11:12 PM
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donaziza donaziza is online now
 
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Quote:
Originally Posted by RV8JD View Post
I see you're in Atlanta ... cold, huh? (Just kidding, just kidding!)

Anyway, check out pages 11-8 and 11-11 from the D180 Pilot's User Guide:
"Operating Temperature: -22° to 122° F (-30° to 50° C)"

Yeah, but I grew up in Milwaukee---and one doesn't forget 15 below----even if the airplane is not technically there.
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Old 01-02-2018, 08:00 AM
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Skid Skid is offline
 
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Quote:
Originally Posted by donaziza View Post
Yeah, but I grew up in Milwaukee---and one doesn't forget 15 below----even if the airplane is not technically there.
I wish I could forget. It’s -12*F this morning here off the west end of Lake Geneva this morning, a bit warmer in Milwaukee.
However the airplane is in a 55* F hanger
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Old 01-02-2018, 07:35 PM
vic syracuse vic syracuse is offline
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Quote:
Originally Posted by Skid View Post
I wish I could forget. It’s -12*F this morning here off the west end of Lake Geneva this morning, a bit warmer in Milwaukee.
However the airplane is in a 55* F hanger
Be very careful when moving them out of a heated hangar into really cold air. I had a canopy crack on me one morning due to the very rapid temp change. Probably my fault in closing it too hard. Just move things very slowly and carefully.

Vic
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