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Static System Icing

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kearney

Joined: 20 Sep 2008
Posts: 563

Posted: Mon Jan 30, 2017 1:00 pm Post subject: Static System Icing

Hi



A few days ago I was flying for a couple of hours in -7c wx (19F for those south of the 49th). Everything was uneventful until I was on a downwind to land when my static line became blocked. 



Fortunately my annual was only a couple of days away so I checked things out when I had everything opened up for inspection. I found a 1/4" column of water in the static line low point in the tail cone. As it was well below freezing there the line must have frozen thereabouts. 



A quick blast of air (from the panel end of the line) and the water was gone.



I thought I'd mention this as something to watch for.



Cheers



Les

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Dave Saylor

Joined: 11 Jan 2015
Posts: 210
Location: GILROY, CA

Posted: Mon Jan 30, 2017 5:29 pm Post subject: Static System Icing

Yeah, it's bad enough dealing with erroneous information ourselves, but in these days of powerful autopilots, you have to make sure it doesn't get confused either.



--Dave

On Mon, Jan 30, 2017 at 1:00 PM, kearney <kearney(at)shaw.ca (kearney(at)shaw.ca)> wrote:

 	  Quote: 	
		  --> RV10-List message posted by: "kearney" <kearney(at)shaw.ca (kearney(at)shaw.ca)>

 

 Hi

 

 A few days ago I was flying for a couple of hours in -7c wx (19F for those south of the 49th). Everything was uneventful until I was on a downwind to land when my static line became blocked.

 

 Fortunately my annual was only a couple of days away so I checked things out when I had everything opened up for inspection. I found a 1/4" column of water in the static line low point in the tail cone. As it was well below freezing there the line must have frozen thereabouts.

 

 A quick blast of air (from the panel end of the line) and the water was gone.

 

 I thought I'd mention this as something to watch for.

 

 Cheers

 

 Les

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=465577#465577

 

 

 

 

 

 

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_________________
--Dave
KWVI

gengrumpy

Joined: 07 May 2013
Posts: 131
Location: Tullahoma, TN

Posted: Mon Jan 30, 2017 7:08 pm Post subject: Static System Icing

Most interesting.  Wonder how that got there?  Condensation??  Rain???

grumpy

do not archive

 	  Quote: 	
		  On Jan 30, 2017, at 7:28 PM, David Saylor <saylor.dave(at)gmail.com (saylor.dave(at)gmail.com)> wrote:

Yeah, it's bad enough dealing with erroneous information ourselves, but in these days of powerful autopilots, you have to make sure it doesn't get confused either.

--Dave



On Mon, Jan 30, 2017 at 1:00 PM, kearney <kearney(at)shaw.ca (kearney(at)shaw.ca)> wrote: 	  Quote: 	
		  --> RV10-List message posted by: "kearney" <kearney(at)shaw.ca (kearney(at)shaw.ca)>  Hi  A few days ago I was flying for a couple of hours in -7c wx (19F for those south of the 49th). Everything was uneventful until I was on a downwind to land when my static line became blocked.  Fortunately my annual was only a couple of days away so I checked things out when I had everything opened up for inspection. I found a 1/4" column of water in the static line low point in the tail cone. As it was well below freezing there the line must have frozen thereabouts.  A quick blast of air (from the panel end of the line) and the water was gone.  I thought I'd mention this as something to watch for.  Cheers  Les     Read this topic online here:  http://forums.matronics.com/viewtopic.php?p=465577#465577       ==================================== -List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigator?RV10-List ====================================  FORUMS - eferrer" target="_blank">http://forums.matronics.com ==================================== WIKI - errer" target="_blank">http://wiki.matronics.com ==================================== b Site -           -Matt Dralle, List Admin. rel="noreferrer" target="_blank">http://www.matronics.com/contribution ====================================

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