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avionics cooling fan

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cgroote1(at)yahoo.com
Guest

Posted: Mon Apr 16, 2007 8:24 am Post subject: avionics cooling fan

I can't find much on the search engine for avionics

cooling fans.  Is there a consensus of opinion whether

it would be wise to install one in an IFR fitted

machine?  I understand that some people do and some don't.



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stein(at)steinair.com
Guest

Posted: Mon Apr 16, 2007 9:06 am Post subject: avionics cooling fan

It actually has more to do with what you are installing in the stack then

whether it's IFR or not.  For example, things like Chelton screens, GNS-480

and some others have cooling fans built into them.  Other things do not.  If

you only have one radio like an ICOM installed by itself in the stack,

you're unlikely to need a cooling fan.  But, if you ahve a full Garmin

stack, then it's a good idea. Some of the Garmin stuff has cooling ports

cast into the racks.  The cooling fans are relatively cheap compared to the

cost of your avionics stack (somewhere around $150-250) and it's cheap

insurance for a $20-30K stack of avionics.



Perhaps of equal importance is not to just have a cooling fan, but some sort

of "vent" holes in the glareshield to let the hot air escape from.  Do that

and you'll be in pretty good shape.  So, in the end my recommendation is

that depending on your stack you may or may not need to install one.



Cheers,

Stein.



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rleffler

Joined: 05 Nov 2006
Posts: 680

Posted: Mon Apr 16, 2007 9:38 am Post subject: avionics cooling fan

Probably wise to install in any aircraft.



Just put a thermometer on your glare shield in the summer.  You can assume it's considerably warmer where your radios are.  Keeping them cool may prolong their life.



Depending on your region, you may be able to get by with just an outside air vent circulating air to keep the radios cool.  Most places, especially in the summer, there should be a dedicated fan for cooling the radio stack.



I'll stay away from the debate on whether or not just to use a standard computer type box fan, or a dedicated TSO'd avionics fan.

 	  Quote: 	
		   

 From: curtis groote <cgroote1(at)yahoo.com>

 Date: 2007/04/16 Mon AM 11:24:10 EST

 To: rv10-list(at)matronics.com

 Subject: avionics cooling fan

 

 

 

 I can't find much on the search engine for avionics

 cooling fans.  Is there a consensus of opinion whether

 it would be wise to install one in an IFR fitted

 machine?  I understand that some people do and some don't.

 

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_________________
Bob Leffler
N410BL - Phase I
http://mykitlog.com/rleffler

dc71(at)netspace.net.au
Guest

Posted: Mon Apr 16, 2007 2:42 pm Post subject: avionics cooling fan

The Dynons under Australian summer conditions definitely need cooling  

fans to prevent overheating!

Indran



On 17/04/2007, at 12:24 AM, curtis groote wrote:



 	  Quote: 	
		   



 I can't find much on the search engine for avionics

 cooling fans.  Is there a consensus of opinion whether

 it would be wise to install one in an IFR fitted

 machine?  I understand that some people do and some don't.



 __________________________________________________

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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wayne.e(at)grandecom.net
Guest

Posted: Tue Apr 17, 2007 2:58 am Post subject: avionics cooling fan

I installed them and they work great on the ground.  Not flying yet.

  

 Wayne Edgerton #40336

 do not archive

   [quote][b]

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wayne.e(at)grandecom.net
Guest

Posted: Tue Apr 17, 2007 3:10 am Post subject: avionics cooling fan

Curtis,

  

 In my haste I just realized, after reading Steins  post, that you said Avionics cooling fans and I mistakenly read defrost fans.  Stein had told me the same answer for the Avionics cooling. 

  

 Got to open my eyes wider when it's so early in the  morning :>}

  

 Wayne Edgerton #40336

 do not archive

  

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