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Date: Thu, 2 Jul 2015 22:35:05 -0700
Message-ID: <CAOFHbnor5Lk2XOh+rZ4DRfSa1U5aM1r7Gq4bZMkpWSNewu6Bew@mail.gmail.com>
Subject: Re: [FlyRotary] Adequate Cooling
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Congrats Jeff!

Nice work on the fiberglass.

Dave Leonard

On Thu, Jul 2, 2015 at 6:55 PM, Jeff Whaley <flyrotary@lancaironline.net>
wrote:

>  Finally got to the point of adequate cooling with the radiator
> installation.  Since my last post regarding this topic there have been
> several changes.  First and foremost, the radiator was reoriented to an
> approximate 40 degree angle to airflow from the previous flat profile; the
> air enters bottom and flows through to top, with exit location remaining
> the same.  With the new angled radiator profile I felt it prudent to add an
> air bleed connection to its uppermost tank; fortunately there are mounting
> bosses welded there and was easy to drill a hole into the tank and tap the
> thread boss for 1/8 pipe.  Now all air/steam bleed lines connect to the
> bottom of expansion tank.  Also following the discussion with Steve Boese,
> the Mazda oil cooler was removed and I returned to the dual Fluidyne setup
> from years ago.
>
> Doing all of the above did not result in immediate results.  Ultimately
> the air inlet area had to be increased to an equivalent of 9"x7".  This
> evening the OAT was 72F - at circuit altitude the water temp topped out at
> 190F with the oil temp at 160F.  Not perfect (I know it can be improved)
> but is adequate with a 20F buffer before redline.  Time to get some
> recurrent training on this tail dragger and get comfortable with the
> machine -- worry about subtle improvements and cleaning up all the ugly
> fiberglass repairs somewhere down the road ... winter is long, summer is
> short.
> Jeff
>  This message, and the documents attached hereto, is intended only for the
> addressee and may contain privileged or confidential information. Any
> unauthorized disclosure is strictly prohibited. If you have received this
> message in error, please notify us immediately so that we may correct our
> internal records. Please then delete the original message. Thank you.
>
> --
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>

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<div dir=3D"ltr">Congrats Jeff!<div><br></div><div>Nice work on the fibergl=
ass. =C2=A0</div><div><br></div><div>Dave Leonard</div><div class=3D"gmail_=
extra"><br><div class=3D"gmail_quote">On Thu, Jul 2, 2015 at 6:55 PM, Jeff =
Whaley <span dir=3D"ltr">&lt;<a href=3D"mailto:flyrotary@lancaironline.net"=
 target=3D"_blank">flyrotary@lancaironline.net</a>&gt;</span> wrote:<br><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex">




<div>
<div style=3D"direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt=
">Finally got to the point of adequate cooling with the radiator installati=
on.=C2=A0 Since my last post regarding this topic there have been several c=
hanges.=C2=A0 First and foremost, the radiator
 was reoriented to an approximate 40 degree angle to airflow from the previ=
ous flat profile; the air enters bottom and flows through to top, with exit=
 location remaining the same.=C2=A0 With the new angled radiator profile I =
felt it prudent to add an air bleed connection
 to its uppermost tank; fortunately there are mounting bosses welded there =
and was easy to drill a hole into the tank and tap the thread boss for 1/8 =
pipe.=C2=A0 Now all air/steam bleed lines connect to the bottom of expansio=
n tank.=C2=A0 Also following the discussion
 with Steve Boese, the Mazda oil cooler was removed and I returned to the d=
ual Fluidyne setup from years ago.<br>
<br>
Doing all of the above did not result in immediate results.=C2=A0 Ultimatel=
y the air inlet area had to be increased to an equivalent of 9&quot;x7&quot=
;.=C2=A0 This evening the OAT was 72F - at circuit altitude the water temp =
topped out at 190F with the oil temp at 160F.=C2=A0 Not perfect
 (I know it can be improved) but is adequate with a 20F buffer before redli=
ne.=C2=A0 Time to get some recurrent training on this tail dragger and get =
comfortable with the machine -- worry about subtle improvements and cleanin=
g up all the ugly fiberglass repairs
 somewhere down the road ... winter is long, summer is short.<br>
Jeff<br>
</div>
This message, and the documents attached hereto, is intended only for the a=
ddressee and may contain privileged or confidential information. Any unauth=
orized disclosure is strictly prohibited. If you have received this message=
 in error, please notify us immediately
 so that we may correct our internal records. Please then delete the origin=
al message. Thank you.
</div>

<br>--<br>
Homepage:=C2=A0 <a href=3D"http://www.flyrotary.com/" rel=3D"noreferrer" ta=
rget=3D"_blank">http://www.flyrotary.com/</a><br>
Archive and UnSub:=C2=A0 =C2=A0<a href=3D"http://mail.lancaironline.net:81/=
lists/flyrotary/List.html" rel=3D"noreferrer" target=3D"_blank">http://mail=
.lancaironline.net:81/lists/flyrotary/List.html</a><br>
<br></blockquote></div><br></div></div>

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