Re: air box
I suspect it could have an effect,The Carb heat scat hose inlet(under these circumstances)is below the likely air leak,and I would think that since there is a vaccum created in the air box under normal 75% power conditions,that un-filtered,and unheated air could be being ingested.
Im just speculating here,but id also suspect that that"rogue air"coming in would be at a faster velocity than normal intake rate,and subsequently contain more of the elements necessary for the formation of carb ice....What do you think George?</HTML>
Re: air box
<HTML>Wow, what an idea. My first thought was that I doubted that it would cause an increased propensity to carb-ice, but that it would certainly make getting rid of the ice more complicated. The carb heat would have a big leak and be less efficient. But as for an increased opportunity to develop the ice?.....I don't know. Perhaps, if one were to consider that the airbox might act a little like a heat-sink. If it were only loosely attached, then it would be less likely to contribute mass to a carburetor that was chilling down, and might allow the carb to chill to a bit lower temp a bit sooner. Wow. Real speculation going on here....
Perhaps also, the carb airbox actually provides a little bit of heat in a continuous fashion anyway due to normal leakage of the butterfly valve, and that small amount of heat would not get to the carb if the box were not firmly attached? Who knows. Maybe.
Either way, it's got to get fixed. With it loose, you're lucky it isn't all cracked to heck-and-gone from vibration!</HTML>
Re: air box
<HTML>It is done for. When they showed it to me at my visit, it could easily be wiggled around. The mechanic called today to clear the way for replacement. On this item he had no qualms about installing a good servicable used one saving me about 60% cost of new one. Interesting physics involved in these things. Thanks for making it understandable. By the way George, this is an OKLAHOMA airplane and after two years I feel it's finally nearly fit! You can bet if I ever sell this one it will be in top shape.
I've probably made some folks mad who know me and the plane but there is no excuse for qustionable sign-offs made in past.</HTML>
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