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  #1  
Old 01-21-2013, 09:33 PM
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Dbro172 Dbro172 is offline
 
Join Date: Apr 2012
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Default Defroster?

It seems pretty simple to install a steinair (or similar) eyeball vent in the horizontal surface of the glare shield, pointing up at the windscreen.... This would be plumbed from a scat tube vertically off the top of the cabin heat baffle Box/cover. When you turn the cabin heat on, if you want to deflect some warm air to the windscreen you just open the vent. This would also mix the air a bit, as opposed to just blowing at your feet.

This has to have been done before, no? Thoughts?
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  #2  
Old 01-21-2013, 09:49 PM
FlyArmy FlyArmy is offline
 
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Location: AZ
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Default

http://www.vansairforce.com/communit...ight=Defroster
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  #3  
Old 01-27-2013, 10:15 AM
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Join Date: Jul 2005
Location: Southern California
Posts: 617
Default pictures...

I see the computer fan option is pretty common, but does anyone have any pictures of what the cut-out on the top of the cowl? Big hole? Small slit with some kind of funnel?

Thanx!

CC
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  #4  
Old 01-27-2013, 04:11 PM
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pczar3 pczar3 is offline
 
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Location: Bolingbrook, Illiniois
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Smile Grumman AA defrost vents

I bought a set of these http://www.aircraftspruce.com/catalo...lickkey=123170 (from Aircraft Spruce) but will probably only use one. The sliding part will let you set the amount of air you want on the windscreen. Maybe you can find one out there that someone wants to sell.
Hope this helps,

Paul
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