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Date: Tue, 15 Dec 2009 14:48:45 -0600
Message-ID: <5cf132c0912151248m6fc59808pc8c456cae8ede03@mail.gmail.com>
Subject: Re: [FlyRotary] Re: Oil cooler
From: Mark Steitle <msteitle@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Content-Type: multipart/alternative; boundary=00032555f4722587b4047aca8482

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Jeff,

Is the black tube on the backside of the oil cooler for cabin heat?  How
well does that work?

Mark

On Tue, Dec 15, 2009 at 2:16 PM, Jeff Whaley <jwhaley@datacast.com> wrote:

>  Al, no I do not measure =93before and after=94; it=92s measured at block=
 output
> near standard oil filter pedestal and is feed to PSRU input =85 see attac=
hed
> (this photo  shows the first  cooler input, the pressure sender and the
> return line from second cooler) =85 if I understand the oil flow correctl=
y,
> this is after the coolers.
>
> My max oil pressure was 80 psi when I had one cooler and is still max 80
> psi with 2 coolers =96 typical operating pressure is 75 psi at 5500 rpm.
>
> Jeff
>
>
>
> *From:* Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] *O=
n
> Behalf Of *Al Gietzen
> *Sent:* Tuesday, December 15, 2009 2:05 PM
> *To:* Rotary motors in aircraft
> *Subject:* [FlyRotary] Re: Oil cooler
>
>
>
> Mark, I have two of the DB-30416, single-pass coolers =85 no measureable
> pressure drop with 2 in series =85 I=92m seeing 80 psi max with the 13B.
>
> JWW
>
>
>
> What do you mean =93 . =85 no measurable pressure drop=94?  Are you measu=
ring
> pressure before and after the 2 coolers?
>
>
>
> Al G
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:
> http://mail.lancaironline.net:81/lists/flyrotary/List.html
>
>

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<div>Jeff, </div>
<div>=A0</div>
<div>Is the black tube on the backside of the oil cooler for cabin heat?=A0=
 How well does that work?=A0 </div>
<div>=A0</div>
<div>Mark<br><br></div>
<div class=3D"gmail_quote">On Tue, Dec 15, 2009 at 2:16 PM, Jeff Whaley <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:jwhaley@datacast.com">jwhaley@datacast=
.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div lang=3D"EN-US" link=3D"blue" vlink=3D"purple">
<div>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE: 11pt; COLOR: #1f497d">Al, =
no I do not measure =93before and after=94; it=92s measured at block output=
 near standard oil filter pedestal and is feed to PSRU input =85 see attach=
ed (this photo =A0shows the first =A0cooler input, the pressure sender and =
the return line from second cooler) =85 if I understand the oil flow correc=
tly, this is after the coolers.</span></p>

<p class=3D"MsoNormal"><span style=3D"FONT-SIZE: 11pt; COLOR: #1f497d">My m=
ax oil pressure was 80 psi when I had one cooler and is still max 80 psi wi=
th 2 coolers =96 typical operating pressure is 75 psi at 5500 rpm.</span></=
p>

<p class=3D"MsoNormal"><span style=3D"FONT-SIZE: 11pt; COLOR: #1f497d">Jeff=
</span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE: 11pt; COLOR: #1f497d">=A0<=
/span></p>
<div>
<div style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: #b=
5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: mediu=
m none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<p class=3D"MsoNormal"><b><span style=3D"FONT-SIZE: 10pt">From:</span></b><=
span style=3D"FONT-SIZE: 10pt"> Rotary motors in aircraft [mailto:<a href=
=3D"mailto:flyrotary@lancaironline.net" target=3D"_blank">flyrotary@lancair=
online.net</a>] <b>On Behalf Of </b>Al Gietzen<br>
<b>Sent:</b> Tuesday, December 15, 2009 2:05 PM<br><b>To:</b> Rotary motors=
 in aircraft<br><b>Subject:</b> [FlyRotary] Re: Oil cooler</span></p></div>=
</div>
<p class=3D"MsoNormal">=A0</p>
<p class=3D"MsoNormal" style=3D"MARGIN-LEFT: 0.5in"><span style=3D"FONT-SIZ=
E: 11pt; COLOR: #1f497d">Mark, I have two of the DB-30416, single-pass cool=
ers =85 no measureable pressure drop with 2 in series =85 I=92m seeing 80 p=
si max with the 13B.</span></p>

<p class=3D"MsoNormal" style=3D"MARGIN-LEFT: 0.5in"><span style=3D"FONT-SIZ=
E: 11pt; COLOR: #1f497d">JWW</span></p>
<p class=3D"MsoNormal" style=3D"MARGIN-LEFT: 0.5in"><span style=3D"COLOR: b=
lue">=A0</span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE: 11pt; COLOR: blue">What do=
 you mean =93 . =85 no measurable pressure drop=94?=A0 Are you measuring pr=
essure before and after the 2 coolers?</span></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE: 11pt; COLOR: blue">=A0</sp=
an></p>
<p class=3D"MsoNormal"><span style=3D"FONT-SIZE: 11pt; COLOR: blue">Al G</s=
pan></p></div></div><br>--<br>Homepage: =A0<a href=3D"http://www.flyrotary.=
com/" target=3D"_blank">http://www.flyrotary.com/</a><br>Archive and UnSub:=
 =A0 <a href=3D"http://mail.lancaironline.net:81/lists/flyrotary/List.html"=
 target=3D"_blank">http://mail.lancaironline.net:81/lists/flyrotary/List.ht=
ml</a><br>
<br></blockquote></div><br>

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