REFLECTOR:Alternate Air

Scott Derrick reflector@tvbf.org
Thu Jun 3 15:07:53 CDT 2004


Jack,

I would think you'd use the "non-filtered" in icing, as the filter would 
ice up...

Scott

At 09:53 AM 6/2/2004, you wrote:
>Chuck,
>I use an Air induction system which is described at the gallery
>http://www.tvbf.org/gallery/?dir=engines%2FAir%20Induction
>This is under Root/engines/air induction
>This system provides good filter air and Ram air thru a scoop under the belly
>The changing from ram air (not filtered) to filtered air is controlled 
>thru a simple push pull cable.
>Normally alternate air is needed when the primary source of induction air 
>is thru a filter and you need alternate air in case the filter gets 
>blocked. In this system the primary air is unfiltered and can be switched 
>to filtered air for ground operations or ice conditions.
>
>Jack N55XL


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