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Subject: Re: [LML] Re: TSIO 550 Hot #2 cylinder
From: "William A. Hogarty" <billhogarty@gmail.com>
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John:

I also faired in the cowling inlets  on my IV-P but this was on the advice
of others back when.  Unfortunately, I dont have any before/after data.
Its such a simple mod, I figured why not...  Good Luck

Bill H.

On Mon, Apr 16, 2012 at 5:13 AM, Gary Casey <casey.gary@yahoo.com> wrote:

> I'm sure eliminating the sharp edge will improve air flow, but I doubt it
> will by itself solve a problem of high #2 cylinder temperature.  I
> completely "faired" the inlets on my ES, building diverging tunnels that
> extend back to the cylinders.  My inlet area is now about 80% of "standard"
> and I also added cowl flaps, reducing the exit area to less than half of
> standard when closed.  It cools okay even with the small area, so I suspect
> fairing it did some good.  Hey, even Cezzna does it.  On the other hand,
> both Cirrus and the Corvalis don't have the feature, so....?
> Gary Casey
>
> Looking for advice for this problem.  Oil cooler door may help a little
> but the trade off of oil temp increase vs CHT increase is a trap at high
> power climb and in slow flight.  Two hours of flight time and problem is
> consistent up to about 8,000 or 9,000 ft.  One idea suggested is to fair
> the inside top of the intake cowl on the left side because turbulence here
> will decrease the airflow to the top left side of the engine.  One person
> indicated he did this with a IVP and achieved a 20 degree drop in EGT by
> doing this.
>
> Anyone else have experience with that?
>
> Thanks in advance and to those who have sent congratulatory emails.
>
> Regards,
>
> John Barrett, CEO
>

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<div>John:</div><div>=A0</div><div>I also faired in the cowling inlets=A0 o=
n my IV-P but this was on the advice of others back when.=A0 Unfortunately,=
 I dont have any before/after data.=A0 Its such a simple mod, I figured why=
 not...=A0 Good Luck</div>
<div>=A0</div><div>Bill H.<br><br></div><div class=3D"gmail_quote">On Mon, =
Apr 16, 2012 at 5:13 AM, Gary Casey <span dir=3D"ltr">&lt;<a href=3D"mailto=
:casey.gary@yahoo.com">casey.gary@yahoo.com</a>&gt;</span> wrote:<br><block=
quote style=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:=
rgb(204,204,204);border-left-width:1px;border-left-style:solid" class=3D"gm=
ail_quote">
<div><div style=3D"color:rgb(0,0,0);font-family:bookman old style,new york,=
times,serif;font-size:12pt;background-color:rgb(255,255,255)"><div>I&#39;m =
sure eliminating the sharp edge will improve air flow, but I doubt it will =
by itself solve a problem of high #2 cylinder temperature. =A0I completely =
&quot;faired&quot; the inlets on my ES, building diverging tunnels that ext=
end back to the cylinders. =A0My inlet area is now about 80% of &quot;stand=
ard&quot; and I also added cowl flaps, reducing the exit area to less than =
half of standard when closed. =A0It cools okay even with the small area, so=
 I suspect fairing it did some good. =A0Hey, even Cezzna does it. =A0On the=
 other hand, both Cirrus and the Corvalis don&#39;t have the feature, so...=
.?</div>
<div>Gary Casey</div><div><br></div><div><span style=3D"color:rgb(69,69,69)=
;font-family:arial,helvetica,sans-serif;font-size:13px"><div style=3D"margi=
n:0px;padding:0px;line-height:normal;display:block">Looking for advice for =
this problem. =A0Oil cooler door may help a little but the trade off of oil=
 temp increase vs CHT increase is a trap at high power climb and in slow fl=
ight.=A0 Two hours of flight time and problem is consistent up to about 8,0=
00 or 9,000 ft.=A0 One idea suggested is to fair the inside top of the inta=
ke cowl on the left side because turbulence here will decrease the airflow =
to the top left side of the engine.=A0 One person indicated he did this wit=
h a IVP and achieved a 20 degree drop in EGT by doing this.=A0</div>
<div style=3D"margin:0px;padding:0px;line-height:normal;display:block">=A0<=
/div><div style=3D"margin:0px;padding:0px;line-height:normal;display:block"=
>Anyone else have experience with that?</div><div style=3D"margin:0px;paddi=
ng:0px;line-height:normal;display:block">
=A0</div><div style=3D"margin:0px;padding:0px;line-height:normal;display:bl=
ock">Thanks in advance and to those who have sent congratulatory emails.</d=
iv><div style=3D"margin:0px;padding:0px;line-height:normal;display:block">=
=A0</div>
<div style=3D"margin:0px;padding:0px;line-height:normal;display:block">Rega=
rds,</div><div style=3D"margin:0px;padding:0px;line-height:normal;display:b=
lock">=A0</div><div style=3D"margin:0px;padding:0px;line-height:normal;disp=
lay:block">
John Barrett, CEO</div></span></div>  </div></div></blockquote></div><br>

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