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From: "Clark Baker" <bakercdb@gmail.com>
X-Original-To: "Lancair Mailing List" <lml@lancaironline.net>
Subject: Re: [LML] Re: LNC2 Oil Cooling
X-Original-Cc: Christopher.Zavatson@baesystems.com
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Chris,
My smaller (original) 4215 8 row oil cooler was a the *new* style, not the
older and apparently poor perfoming model.  I spoke with with Pacific
Oil Coolers (oilcoolers.com) and they were the people who told me that the
new model Positechs were much better than the old series, and roughly
comparable in cooling to the S/W.  I compared performance curves of the S/W
and new Positech and they seemed to confirm that statement (note: I am not
an engineer).  If I remember correctly, you can identify the old style
Positechs as they have more rows (vanes) than the new style.  I have not
test any S/W model coolers.

Regards,
Clark Baker


On 4/25/06, Christopher Zavatson <Christopher.Zavatson@baesystems.com>
wrote:
>
>  Clark,
> The attached chart may help explain your previous troubles.  I assume (I
> hope) the cooler measured for this test was of the prior vintage, before
> Positech made improvements you mention.  Relative performance was terribl=
e.
> Chris
>
>
>

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<div>Chris,</div>
<div>My smaller (original) 4215&nbsp;8 row oil cooler was a the <em>new</em=
> style, not the older and apparently poor perfoming model.&nbsp; I spoke&n=
bsp;with&nbsp;with Pacific Oil&nbsp;Coolers (<a href=3D"http://oilcoolers.c=
om">oilcoolers.com</a>
) and they&nbsp;were the&nbsp;people who told me that the new model Positec=
hs were much better than the old series, and roughly comparable in&nbsp;coo=
ling to the&nbsp;S/W.&nbsp; I compared&nbsp;performance curves of the S/W a=
nd new&nbsp;Positech and they seemed to confirm&nbsp;that statement&nbsp;(n=
ote: I am not an engineer).&nbsp; If I remember correctly, you can identify=
 the old style Positechs as they have more rows (vanes)&nbsp;than the new s=
tyle.&nbsp; I have not test any S/W model coolers.
</div>
<div>&nbsp;</div>
<div>Regards,</div>
<div>Clark Baker<br><br>&nbsp;</div>
<div><span class=3D"gmail_quote">On 4/25/06, <b class=3D"gmail_sendername">=
Christopher Zavatson</b> &lt;<a href=3D"mailto:Christopher.Zavatson@baesyst=
ems.com">Christopher.Zavatson@baesystems.com</a>&gt; wrote:</span>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div style=3D"DIRECTION: ltr">
<div>Clark,</div>
<div>The attached chart may help explain your previous troubles.&nbsp; I as=
sume (I hope) the cooler measured for this test was of the prior vintage, b=
efore Positech made&nbsp;improvements you mention.&nbsp; Relative performan=
ce was terrible.
</div>
<div>Chris</div>
<div>&nbsp;</div>
<div>&nbsp;</div></div></blockquote>
<div>&nbsp;</div>
<div>&nbsp;</div><br>&nbsp;</div>

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