David Megginson <[EMAIL PROTECTED]> said:

> Jim Wilson writes:
> 
>  > So the examiner's admonishment was unfounded?  I take it you didn't
>  > argue with him on this point :-)
> 
> Well, I didn't understand his point during the flight.  I was leaned
> out for cruise in the simulated cross country, and he said we had
> better try the carb heat and flipped it on -- I thought that he was
> worried that the engine was running rough (different people have
> different perceptions), so I turned, smiled, explained that Pipers
> don't usually have a problem with carb ice, and enriched the mixture a
> bit instead to make the engine as smooth as possible.  Big mistake,
> but fortunately it cost me only a tongue lashing afterwards.
> 
>  > I take it with the Piper there's some warning before it's too late.
>  > We hope... or will you be thinking about this email some snowy
>  > night in March with engine out and 5000ft of air below?
> 
> Carb ice is always a concern, and it certainly won't hurt to check
> once in a while.  In fact, carb heat can even smooth out the
> distribution in a carbureted engine, allowing one to run further
> lean of peak without roughness.
> 
> Note that it's not the snowy night that catches people with carb ice,
> but the humid, hot summer day -- that's when the air holds the
> most moisture.
> 

Oh right, that makes sense.  Thanks for the explanation, and the story.

Best,

Jim 


_______________________________________________
Flightgear-devel mailing list
[EMAIL PROTECTED]
http://mail.flightgear.org/mailman/listinfo/flightgear-devel

Reply via email to