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		pilotdds(at)aol.com Guest
 
 
 
 
 
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				 Posted: Sun Jan 30, 2011 6:27 am    Post subject: defroster/defog | 
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				Does anybody flying have a schematic or a description on how they created a defroster for the wind screen?
    
  
  
    
     	  | Quote: | 	 		  
 get=_blank>http://www.matronics.com/Navigator?RV10-List
 p://forums.matronics.com
 blank>http://www.matronics.com/contribution
 
 
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   [quote][b]
 
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		rene(at)felker.com Guest
 
 
 
 
 
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				 Posted: Sun Jan 30, 2011 6:44 am    Post subject: defroster/defog | 
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				I put two computer fans in the glare shield…live in Utah and have only had to use them once, about a week ago, worked great.
  
 They also help dissipate heat generated from the panel.
  
 Sorry, no pictures.
  
 Rene'
 801-721-6080
  
 From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of pilotdds
 Sent: Sunday, January 30, 2011 7:16 AM
 To: rv10-list(at)matronics.com
 Subject: defroster/defog
  
 Does anybody flying have a schematic or a description on how they created a defroster for the wind screen?
  
  0123
 
 456789012345678901
    [quote][b]
 
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		Tim Olson
 
 
  Joined: 25 Jan 2007 Posts: 2882
 
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				 Posted: Sun Jan 30, 2011 7:09 am    Post subject: defroster/defog | 
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				This is something that I'd recommend for ALL builders to do, on all RV10's for heat dissipation reasons alone.  It gets hot under there and your avionics will probably last longer and perform better if you keep it cool.
 The other one is cutting the holes for the Duckworks lights.  You don't have to even use lights, but for resale and construction reasons I would recommend that basically every builder cut the hole in each wing if they think there will EVER be a chance they sell the plane.  Most buyers would be used to seeing wing lights and they will want them, and cutting them later will wreck the paint.  So just cut them initially and then decide later what to put in there.  The wing is still the only location that doesn't come with some sort of compromise.
 Tim
 
 
 On Jan 30, 2011, at 8:41 AM, "Rene" <rene(at)felker.com (rene(at)felker.com)> wrote:
 
 [quote]
 I put two computer fans in the glare shield…live in Utah and have only had to use them once, about a week ago, worked great.
  
 They also help dissipate heat generated from the panel.
  
 Sorry, no pictures.
  
 Rene'
 801-721-6080
  
 From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of pilotdds
 Sent: Sunday, January 30, 2011 7:16 AM
 To: [url=mailto:rv10-list(at)matronics.com]rv10-list(at)matronics.com (rv10-list(at)matronics.com)[/url]
 Subject: RV10-List: defroster/defog
  
 Does anybody flying have a schematic or a description on how they created a defroster for the wind screen?
  
  0123
 
 456789012345678901
    2
 [b]
 
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		robin(at)PaintTheWeb.com Guest
 
 
 
 
 
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				 Posted: Sun Jan 30, 2011 9:27 am    Post subject: defroster/defog | 
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				In deciding what fan to place there I think I searched NewEgg.com for various fan choices. I based my decision on Fan size and Fan CFM. I think I settled on dual “Tornado” fans as they put out significantly more CFM than the standard fans. The down side to the Tornado fans is that they are louder than standard computer fans but not nearly as loud as the big fan mounted forward of the firewall so fan noise was not an concern to me. 
  
 Robin     
  
  From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Rene
  Sent: Sunday, January 30, 2011 6:42 AM
 To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
 Subject: RE: defroster/defog
   
 I put two computer fans in the glare shield…live in Utah and have only had to use them once, about a week ago, worked great. 
  
 They also help dissipate heat generated from the panel. 
  
 Sorry, no pictures. 
  
 Rene'
  801-721-6080
  
 From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of pilotdds
  Sent: Sunday, January 30, 2011 7:16 AM
 To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
 Subject: defroster/defog
  
  Does anybody flying have a schematic or a description on how they created a defroster for the wind screen?
   
   012 3
 
 4567 8901 23456 RV10-List Email Forum -[/b] [/quote]7 Day Browse, Chat, FAQ,[/b] [/quote]8 =======================[/b] [/quote]9 m">http://forums.matronics.com[/b] [/quote]01                    -Matt Dralle, List A; http://www.matronics.com/contribution[/b][/quote] =======================[/b] [/quote]2 
 
 No virus found in this message.
 Checked by AVG - www.avg.com
 Version: 10.0.120
   [quote][b]
 
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		Tim Olson
 
 
  Joined: 25 Jan 2007 Posts: 2882
 
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				 Posted: Sun Jan 30, 2011 9:50 am    Post subject: defroster/defog | 
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				Yeah, you won't hear either fan, once the engine is running.  
 I would get some that push some good CFM.  My original attempt
 was using a small fan...maybe 1.5" square...it sucked.  Then I
 went to some larger (maybe 60mm?) fans that do a pretty good
 job.  I bought some that blow pretty good.  If I were starting
 from scratch, I'd likely look at 80mm fans if they fit well.
 On very cold days, until I get off the ground and heat
 flowing good, I can still get some frost on the upper corners
 of the windshield near the visors.  Would be nice to have
 just a bit more flow than what I have now, but at this point
 it's acceptable for me.
 
 I was shocked during my flyoff to look at my GRT EIS in the
 panel and see that it was reading something like 110F, and
 it was only 10-20F outside.  With front heat coming out
 under the panel, you're really going to want heat exhaustion
 for the panel area YEAR ROUND.  In the winter it'll do
 defrost as a bonus.  No need for fancy defrost circuits
 added to your heater....just pump hot under-panel air up.
 
 Tim
 On 1/30/2011 11:23 AM, Robin Marks wrote:
  	  | Quote: | 	 		   In deciding what fan to place there I think I searched NewEgg.com for
  various fan choices. I based my decision on Fan size and Fan CFM. I
  think I settled on dual “Tornado” fans as they put out significantly
  more CFM than the standard fans. The down side to the Tornado fans is
  that they are louder than standard computer fans but not nearly as loud
  as the big fan mounted forward of the firewall so fan noise was not an
  concern to me.
 
  Robin
 
  *From:*owner-rv10-list-server(at)matronics.com
  <mailto:owner-rv10-list-server(at)matronics.com>
  [mailto:owner-rv10-list-server(at)matronics.com
  <mailto:owner-rv10-list-server(at)matronics.com>] *On Behalf Of *Rene
  *Sent:* Sunday, January 30, 2011 6:42 AM
  *To:* rv10-list(at)matronics.com <mailto:rv10-list(at)matronics.com>
  *Subject:* RE: defroster/defog
 
  I put two computer fans in the glare shield…live in Utah and have only
  had to use them once, about a week ago, worked great.
 
  They also help dissipate heat generated from the panel.
 
  Sorry, no pictures.
 
  Rene'
 
  801-721-6080
 
  *From:*owner-rv10-list-server(at)matronics.com
  <mailto:owner-rv10-list-server(at)matronics.com>
  [mailto:owner-rv10-list-server(at)matronics.com
  <mailto:owner-rv10-list-server(at)matronics.com>] *On Behalf Of *pilotdds
  *Sent:* Sunday, January 30, 2011 7:16 AM
  *To:* rv10-list(at)matronics.com <mailto:rv10-list(at)matronics.com>
  *Subject:* defroster/defog
 
  Does anybody flying have a schematic or a description on how they
  created a defroster for the wind screen?
 
  get=_blank>http://www.matronics.com/Navigator?RV10-List
 
  p://forums.matronics.com  <http://forums.matronics.com>
 
  blank>http://www.matronics.com/contribution
 
  *  *
 
  *  *
 
  *  *
 
  *http://www.matronics.com/Navigator?RV10-List*
 
  *  *
 
  *http://forums.matronics.com*
 
  *  *
 
  *http://www.matronics.com/contribution*
 
  *  *
 
  *  *
 
  *  *
 
  *  *
 
  *===========*
 
  RV10-List Email Forum -
 
  **
 
  Day Browse, Chat, FAQ,
 
  *w.matronics.com/Navigator?RV10-List">http://www.matronics.com/Navigator?RV1*
 
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  **
 
  m">http://forums.matronics.com
 
  *http://www.matronics.com/contribution*
 
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  ------------------------------------------------------------------------
 
  No virus found in this message.
  Checked by AVG - www.avg.com <http://www.avg.com>
  Version: 10.0.120
 
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		pilotdds(at)aol.com Guest
 
 
 
 
 
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				 Posted: Sun Jan 30, 2011 1:30 pm    Post subject: defroster/defog | 
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				thanks you guys,you saved me a bunch of complicated ducting-Jim
  
    
  
  
    --
 
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		davidsoutpost(at)comcast. Guest
 
 
 
 
 
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				 Posted: Sun Jan 30, 2011 1:43 pm    Post subject: defroster/defog | 
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		Tim Olson
 
 
  Joined: 25 Jan 2007 Posts: 2882
 
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				 Posted: Sun Jan 30, 2011 7:15 pm    Post subject: defroster/defog | 
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				For those who couldn't view David's post, I've clipped out the text 
 below so you can see it.  Looks like a great way to go if you can
 find a good mounting for it.  At $6, the price isn't bad at all.
 My advice is that when you do find a fan you like, buy a couple
 of spares for down the road.  I paid $9 or so for mine, and I cracked
 one on install.  So I used a spare right away.  Once the bearings
 start to go....years down the road...it will be nice to just have
 a couple on hand to swap in so that all the holes line up.
 Not as critical for the square fans because they're pretty standard,
 but for a blower like this, you may want to not have to search for
 a match.
 
 Tim
 
 (See David's post below)
 On 1/30/2011 3:33 PM, davidsoutpost(at)comcast.net wrote:
  	  | Quote: | 	 		  
 
 I just finished this area up last week. I used two of these 
 | 	  
 http://www.surpluscenter.com/item.asp?item=16-1358&catname=electric for 
 the defrosters and one for avionics cooling. I figure there is no need 
 to add heat to the defrosters as they will scavenge enough from the 
 avionics and the tunnel. 23 cfm each and they blow pretty good and are 
 quiet,,,not that that will matter when the engine is running and 
 headsets are on.
 
 David Clifford
 RV-10 Builder
 N849RV (reserved)
 
  |  | - The Matronics RV10-List Email Forum - |  |   |  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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		robin(at)PaintTheWeb.com Guest
 
 
 
 
 
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				 Posted: Sun Jan 30, 2011 8:41 pm    Post subject: defroster/defog | 
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				Those fans are 23 CFM max. That is not a significant amount of air. 
 I think each of my 80 or 92 cm fans were above 100 CFM.
   
 Here’s an 80 mm fan with 84 CFM
 http://www.newegg.com/Product/Product.aspx?Item=N82E16811999612&cm_re=computer_fan-_-11-999-612-_-Product 
  
 Here is a 92 mm with 90 CFM 
 http://www.newegg.com/Product/Product.aspx?Item=N82E16835213009&cm_re=computer_fan-_-35-213-009-_-Product 
  
 Heck here is a 120 mm with 240 CFM. YIKES! 
 http://www.newegg.com/Product/Product.aspx?Item=N82E16835213001&cm_re=computer_fan-_-35-213-001-_-Product 
  
  Disclaimer: Please do your own research as I have not read the product details in depth on any of these units. 
  
 Robin 
 Do Not Archive
   
 From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Tim Olson
  Sent: Sunday, January 30, 2011 7:13 PM
 To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
 Subject: Re: defroster/defog
   
 --> RV10-List message posted by: Tim Olson <Tim(at)myrv10.com (Tim(at)myrv10.com)>
 
 For those who couldn't view David's post, I've clipped out the text
  below so you can see it.  Looks like a great way to go if you can
 find a good mounting for it.  At $6, the price isn't bad at all.
 My advice is that when you do find a fan you like, buy a couple
 of spares for down the road.  I paid $9 or so for mine, and I cracked
  one on install.  So I used a spare right away.  Once the bearings
 start to go....years down the road...it will be nice to just have
 a couple on hand to swap in so that all the holes line up.
 Not as critical for the square fans because they're pretty standard,
  but for a blower like this, you may want to not have to search for
 a match.
 
 Tim
 
 (See David's post below)
 On 1/30/2011 3:33 PM, davidsoutpost(at)comcast.net (davidsoutpost(at)comcast.net) wrote:
  >
  	  | Quote: | 	 		  
 I just finished this area up last week. I used two of these
 | 	  
 http://www.surpluscenter.com/item.asp?item=16-1358&catname=electric for
  the defrosters and one for avionics cooling. I figure there is no need
 to add heat to the defrosters as they will scavenge enough from the
 avionics and the tunnel. 23 cfm each and they blow pretty good and are
 quiet,,,not that that will matter when the engine is running and
  headsets are on.
 
 David Clifford
 RV-10 Builder
 N849RV (reservedNavigator to browse
  ics.com/Navigator?RV10-List">http://www.matronics.com/Navigator?RV10-List
  ttp://forums.matronics.com">http://forums.matronics.com
                -Matt Dralle, List Admin.
  ========================
  
 
 No virus found in this message.
 Checked by AVG - www.avg.com
 Version: 10.0.120
   [quote][b]
 
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		davidsoutpost(at)comcast. Guest
 
 
 
 
 
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				 Posted: Sun Jan 30, 2011 8:51 pm    Post subject: defroster/defog | 
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				They push plenty of air.  To each his own.
 
 David Clifford
 
 RV-10 Builder
 Howell,  MI
 ---
 
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		Lenny Iszak
 
  
  Joined: 23 Mar 2008 Posts: 270
 
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				 Posted: Sun Jan 30, 2011 9:09 pm    Post subject: Re: defroster/defog | 
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  | 
			 
			
				Robin,
 
 One of them there needs its own alternator  
 
 By the way, i have a certified avionics fan and it pushes half the CFMs at twice the amp draw of a computer fan... These things are amazing.
 
 Lenny
 
 [quote="robin(at)PaintTheWeb.com"]Those fans are 23 CFM max. That is not a significant amount of air. 
 I think each of my 80 or 92 cm fans were above 100 CFM.
 � 
 Here�s an 80 mm fan with 84 CFM
 http://www.newegg.com/Product/Product.aspx?Item=N82E16811999612&cm_re=computer_fan-_-11-999-612-_-Product 
 �
 Here is a 92 mm with 90 CFM 
 http://www.newegg.com/Product/Product.aspx?Item=N82E16835213009&cm_re=computer_fan-_-35-213-009-_-Product 
 �
 Heck here is a 120 mm with 240 CFM. YIKES! 
 http://www.newegg.com/Product/Product.aspx?Item=N82E16835213001&cm_re=computer_fan-_-35-213-001-_-Product 
 �
  Disclaimer: Please do your own research as I have not read the product details in depth on any of these units. 
 �
 Robin 
 Do Not Archive
 � 
 From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Tim Olson
  Sent: Sunday, January 30, 2011 7:13 PM
 To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
 Subject: Re: defroster/defog
  �
 --> RV10-List message posted by: Tim Olson <Tim>
 
 For those who couldn't view David's post, I've clipped out the text
  below so you can see it.� Looks like a great way to go if you can
 find a good mounting for it.� At $6, the price isn't bad at all.
 My advice is that when you do find a fan you like, buy a couple
 of spares for down the road.� I paid $9 or so for mine, and I cracked
  one on install.� So I used a spare right away.� Once the bearings
 start to go....years down the road...it will be nice to just have
 a couple on hand to swap in so that all the holes line up.
 Not as critical for the square fans because they're pretty standard,
  but for a blower like this, you may want to not have to search for
 a match.
 
 Tim
 
 (See David's post below)
 On 1/30/2011 3:33 PM, davidsoutpost(at)comcast.net (davidsoutpost(at)comcast.net) wrote:
  >
  	  | Quote: | 	 		  
 I just finished this area up last week. I used two of these
  | 	  
 http://www.surpluscenter.com/item.asp?item=16-1358&catname=electric for
  the defrosters and one for avionics cooling. I figure there is no need
 to add heat to the defrosters as they will scavenge enough from the
 avionics and the tunnel. 23 cfm each and they blow pretty good and are
 quiet,,,not that that will matter when the engine is running and
  headsets are on.
 
 David Clifford
 RV-10 Builder
 N849RV (reservedNavigator to browse
  ics.com/Navigator?RV10-List">http://www.matronics.com/Navigator?RV10-List
  ttp://forums.matronics.com">http://forums.matronics.com
  ������������� -Matt Dralle, List Admin.
  ========================
  
 
 No virus found in this message.
 Checked by AVG - www.avg.com
 Version: 10.0.120
   
 
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  http://www.matronics.com/Navigator?RV10-List |  
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		rv10rob(at)gmail.com Guest
 
 
 
 
 
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				 Posted: Mon Jan 31, 2011 12:03 pm    Post subject: defroster/defog | 
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  | 
			 
			
				I think my certified avionics fan converts most of its power into noise.  I actually pulled the fuse on it and won't replace until right before first flight; otherwise, it's really annoying when I have the master switch on.
    
  -Rob
  On Sun, Jan 30, 2011 at 9:09 PM, Lenny Iszak <lenard(at)rapiddecision.com (lenard(at)rapiddecision.com)> wrote:
   	  | Quote: | 	 		  --> RV10-List message posted by: "Lenny Iszak" <lenard(at)rapiddecision.com (lenard(at)rapiddecision.com)>
  
 Robin,
 
 One of them there needs its own alternator  
 
 By the way, i have a certified avionics fan and it pushes half the CFMs at twice the amp draw of a computer fan... These things are amazing.
 
 Lenny
  
 [quote="robin(at)PaintTheWeb.com"]Those fans are 23 CFM max. That is not a significant amount of air.
 I think each of my 80 or 92 cm fans were above 100 CFM.
 �
 Here�s an 80 mm fan with 84 CFM
 http://www.newegg.com/Product/Product.aspx?Item=N82E16811999612&cm_re=computer_fan-_-11-999-612-_-Product (http://www.newegg.com/Product/Product.aspx?Item=N82E16811999612&cm_re=computer_fan-_-11-999-612-_-Product)
  �
 Here is a 92 mm with 90 CFM
 http://www.newegg.com/Product/Product.aspx?Item=N82E16835213009&cm_re=computer_fan-_-35-213-009-_-Product (http://www.newegg.com/Product/Product.aspx?Item=N82E16835213009&cm_re=computer_fan-_-35-213-009-_-Product)
  �
 Heck here is a 120 mm with 240 CFM. YIKES!
 http://www.newegg.com/Product/Product.aspx?Item=N82E16835213001&cm_re=computer_fan-_-35-213-001-_-Product (http://www.newegg.com/Product/Product.aspx?Item=N82E16835213001&cm_re=computer_fan-_-35-213-001-_-Product)
  �
  Disclaimer: Please do your own research as I have not read the product details in depth on any of these units.
 �
 Robin
 Do Not Archive
 �
 From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) (owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) (owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com))] On Behalf Of Tim Olson
   Sent: Sunday, January 30, 2011 7:13 PM
 To: rv10-list(at)matronics.com (rv10-list(at)matronics.com) (rv10-list(at)matronics.com (rv10-list(at)matronics.com))
 Subject: Re: defroster/defog
  
 
  �
 --> RV10-List message posted by: Tim Olson
 
 For those who couldn't view David's post, I've clipped out the text
  below so you can see it.� Looks like a great way to go if you can
 find a good mounting for it.� At $6, the price isn't bad at all.
  My advice is that when you do find a fan you like, buy a couple
 of spares for down the road.� I paid $9 or so for mine, and I cracked
  one on install.� So I used a spare right away.� Once the bearings
 start to go....years down the road...it will be nice to just have
  a couple on hand to swap in so that all the holes line up.
 Not as critical for the square fans because they're pretty standard,
  but for a blower like this, you may want to not have to search for
 a match.
  
 Tim
 
 (See David's post below)
 On 1/30/2011 3:33 PM, davidsoutpost(at)comcast.net (davidsoutpost(at)comcast.net) (davidsoutpost(at)comcast.net (davidsoutpost(at)comcast.net)) wrote:
   >
 
  	  | Quote: | 	 		  
  I just finished this area up last week. I used two of these
 
 
 | 	  
 http://www.surpluscenter.com/item.asp?item=16-1358&catname=electric (http://www.surpluscenter.com/item.asp?item=16-1358&catname=electric) for
   the defrosters and one for avionics cooling. I figure there is no need
 to add heat to the defrosters as they will scavenge enough from the
 avionics and the tunnel. 23 cfm each and they blow pretty good and are
 quiet,,,not that that will matter when the engine is running and
   headsets are on.
 
 David Clifford
 RV-10 Builder
 N849RV (reservedNavigator to browse
  ics.com/Navigator?RV10-List">http://www.matronics.com/Navigator?RV10-List
   ttp://forums.matronics.com">http://forums.matronics.com
  ������������� -Matt Dralle, List Admin.
   ========================
 
 
 No virus found in this message.
 Checked by AVG - www.avg.com (http://www.avg.com)
  Version: 10.0.120
 
 
 
 
 Read this topic online here:
 
 http://forums.matronics.com/viewtopic.php?p=329051#329051
  ties such as List Un/Subscription,
  ://www.matronics.com/Navigator?RV10-List" target="_blank">http://www.matronics.com/Navigator?RV10-List
   href="http://forums.matronics.com/" target="_blank">http://forums.matronics.com
                     -Matt Dralle, List Admin.
  =====
 
  | 	  
 
  
 -- 
 Rob Kochman
 RV-10 "Finishing" Kit
 Woodinville, WA (near Seattle)
 http://kochman.net/N819K
   [quote][b]
 
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		jdriggs49(at)msn.com Guest
 
 
 
 
 
  | 
		
			
				 Posted: Mon Jan 31, 2011 1:36 pm    Post subject: defroster/defog | 
				     | 
			 
			
				
  | 
			 
			
				You need to think about where you mount the fans as some avionics will bump into the back half bulkhead which will preclude mounting the fan in that area AFTER you have cut a large hole in the dashboard. For instance: Mounting a Garnim 430W or a SL-40 in the middle stack will cause them to run out of room on their backside necessitating a cut-out in the back half bulkhead and prematurily hitting any fans mounted in that area.  Don't ask how I know.  
 
 Date: Mon, 31 Jan 2011 11:56:55 -0800
 Subject: Re: RV10-List: Re: defroster/defog
 From: rv10rob(at)gmail.com
 To: rv10-list(at)matronics.com
 
 I think my certified avionics fan converts most of its power into noise.  I actually pulled the fuse on it and won't replace until right before first flight; otherwise, it's really annoying when I have the master switch on.
    
  -Rob
  On Sun, Jan 30, 2011 at 9:09 PM, Lenny Iszak <lenard(at)rapiddecision.com (lenard(at)rapiddecision.com)> wrote:
   	  | Quote: | 	 		  --> RV10-List message posted by: "Lenny Iszak" <lenard(at)rapiddecision.com (lenard(at)rapiddecision.com)>
  
 Robin,
 
 One of them there needs its own alternator  
 
 By the way, i have a certified avionics fan and it pushes half the CFMs at twice the amp draw of a computer fan... These things are amazing.
 
 Lenny
  
 [quote="robin(at)PaintTheWeb.com"]Those fans are 23 CFM max. That is not a significant amount of air.
 I think each of my 80 or 92 cm fans were above 100 CFM.
 �
 Here�s an 80 mm fan with 84 CFM
 http://www.newegg.com/Product/Product.aspx?Item=N82E16811999612&cm_re=computer_fan-_-11-999-612-_-Product (http://www.newegg.com/Product/Product.aspx?Item=N82E16811999612&cm_re=computer_fan-_-11-999-612-_-Product)
  �
 Here is a 92 mm with 90 CFM
 http://www.newegg.com/Product/Product.aspx?Item=N82E16835213009&cm_re=computer_fan-_-35-213-009-_-Product (http://www.newegg.com/Product/Product.aspx?Item=N82E16835213009&cm_re=computer_fan-_-35-213-009-_-Product)
  �
 Heck here is a 120 mm with 240 CFM. YIKES!
 http://www.newegg.com/Product/Product.aspx?Item=N82E16835213001&cm_re=computer_fan-_-35-213-001-_-Product (http://www.newegg.com/Product/Product.aspx?Item=N82E16835213001&cm_re=computer_fan-_-35-213-001-_-Product)
  �
  Disclaimer: Please do your own research as I have not read the product details in depth on any of these units.
 �
 Robin
 Do Not Archive
 �
 From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) (owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) (owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com))] On Behalf Of Tim Olson
   Sent: Sunday, January 30, 2011 7:13 PM
 To: rv10-list(at)matronics.com (rv10-list(at)matronics.com) (rv10-list(at)matronics.com (rv10-list(at)matronics.com))
 Subject: Re: defroster/defog
  
 
  ï¿½
 --> RV10-List message posted by: Tim Olson
 
 For those who couldn't view David's post, I've clipped out the text
  below so you can see it.� Looks like a great way to go if you can
 find a good mounting for it.� At $6, the price isn't bad at all.
  My advice is that when you do find a fan you like, buy a couple
 of spares for down the road.� I paid $9 or so for mine, and I cracked
  one on install.� So I used a spare right away.� Once the bearings
 start to go....years down the road...it will be nice to just have
  a couple on hand to swap in so that all the holes line up.
 Not as critical for the square fans because they're pretty standard,
  but for a blower like this, you may want to not have to search for
 a match.
  
 Tim
 
 (See David's post below)
 On 1/30/2011 3:33 PM, davidsoutpost(at)comcast.net (davidsoutpost(at)comcast.net) (davidsoutpost(at)comcast.net (davidsoutpost(at)comcast.net)) wrote:
   >
 
  	  | Quote: | 	 		  
  I just finished this area up last week. I used two of these
 
 
 | 	  
 http://www.surpluscenter.com/item.asp?item=16-1358&catname=electric (http://www.surpluscenter.com/item.asp?item=16-1358&catname=electric) for
   the defrosters and one for avionics cooling. I figure there is no need
 to add heat to the defrosters as they will scavenge enough from the
 avionics and the tunnel. 23 cfm each and they blow pretty good and are
 quiet,,,not that that will matter when the engine is running and
   headsets are on.
 
 David Clifford
 RV-10 Builder
 N849RV (reservedNavigator to browse
  ics.com/Navigator?RV10-List">http://www.matronics.com/Navigator?RV10-List
   ttp://forums.matronics.com">http://forums.matronics.com
  ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ -Matt Dralle, List Admin.
   ========================
 
 
 No virus found in this message.
 Checked by AVG - www.avg.com (http://www.avg.com)
  Version: 10.0.120
 
 
 
 
 Read this topic online here:
 
 http://forums.matronics.com/viewtopic.php?p=329051#329051
  ties such as List Un/Subscription,
  ://www.matronics.com/Navigator?RV10-List" target="_blank">http://www.matronics.com/Navigator?RV10-List
   href="http://forums.matronics.com/" target="_blank">http://forums.matronics.com
                     -Matt Dralle, List Admin.
  =====
 
  | 	  
 
  
 -- 
 Rob Kochman
 RV-10 "Finishing" Kit
 Woodinville, WA (near Seattle)
 http://kochman.net/N819K
   [quote][b]
 
  |  | - The Matronics RV10-List Email Forum - |  |   |  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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		davidsoutpost(at)comcast. Guest
 
 
 
 
 
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				 Posted: Mon Jan 31, 2011 2:56 pm    Post subject: defroster/defog | 
				     | 
			 
			
				
  | 
			 
			
				
 
  |  | - The Matronics RV10-List Email Forum - |  |   |  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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