On Jan 30, 2011 7:33 AM, <Sky2high@aol.com> wrote:
> Bryan,
>
> What's the fuel flow during max power (takeoff)?
> What is your oil temp doing?
>
> Grayhawk
>
>
> In a message dated 1/29/2011 10:36:52 P.M. Central Standard Time,
> vonjet@gmail.com writes:
>
> My airplane: Lancair 360, 180hp 360 carburated. I have a plenum to cool and
> I am feeding the oil cooler with air off the #3 cyl.
> My chts are high on the ground and takeoff. The oil temp is high on the
> ground as well. Its to the point where I can't takeoff if I'm on the ground
> too long. And the hotter days aren't even here yet.
> Also my carb temp climbs on the ground and pegs at the gauge limit of 127
> degrees. I've replaced the probe and the manufacturer seems to think its
> operating normally. This would make me believe my lower cowling area is
> getting hot and not enough air flowing out of it.
> My AP has checked my engine, compression, timing etc and doesn't believe
> there is any issues with it. The cooler is a 9 vane SW that was new when
> installed.
> My plan was to add cowling louvers to the lower cowling on each side below
> the cyl banks. I would hope this would improve the air movement out the
> cowling.
> I read that cht probes could read high if they run close to the exhaust in
> a tight cowling. Mine do. Also the carb probe is kind of close to the
> exhaust as well. Not sure if this is my case. All my baffles are in place and
> properly sealed.
> Anybody have any advice on where to place these or other ideas that would
> improve cooling or things to check
> Bryan