REFLECTOR: Windshield defog

[Jim Agnew]

Hi Don, 
 
I'm doing the same thing except I have a small 3" fan to act as a defoger or a  radio stack cooler.
seems to work.

James F. Agnew
Jim_Agnew_2 at Yahoo.Com
Tampa, FL
Velocity 173 Elite Aircraft Completed & Flying

From: Don Johnston <don at numa.aero>
>To: reflector at tvbf.org
>Sent: Saturday, June 25, 2011 1:59 PM
>Subject: REFLECTOR: Windshield defog
>
>
>Andy,
>
>An unsolicited opinion here...  :-)
>
>Relying on defrost (isn't it really "defog"? :-)  ) to deice or prevent outside ice on the windshield is not practical. My Cessna has a real good defroster. Lots of nice hot air coming out of it. And in the few times that I've found myself (inadvertently) in icing conditions, it had ZERO impact on ice forming on the windshield. Now maybe if the OAT is just barely below freezing it would be enough.
>
>But I have also thought about adding a defrost vent but in the end, I decided that the additional plumbing and cabling wasn't worth the effort. Presently, I planning on a vent to let the heat from the radio stack keep the inside of the windshield clear. 
>
>Just my .02
>
>-Don
>
>
>
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