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Date: Mon, 5 Jul 2010 18:52:58 -0500
Message-ID: <AANLkTikqB9W5bT0FN7P8myRbRhOo2hc8kMKq0qaByR6l@mail.gmail.com>
Subject: Re: [FlyRotary] Re: Flight Report
From: Mark Steitle <msteitle@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Content-Type: multipart/alternative; boundary=005045016763dec54f048aaca2a7

--005045016763dec54f048aaca2a7
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Al,

Thanks for the info on the Laminova cooler.  I'll watch the oil pressure
closely.

Mark

On Mon, Jul 5, 2010 at 6:55 PM, Al Gietzen <ALVentures@cox.net> wrote:

>   I added a Laminova oil/water exchanger.  It is connected to the coolant
> return line and in series with the oil/air exchanger.  I measured a 10*
> increase in coolant temp through the exchanger.  I haven't measured the o=
il
> temp drop yet.  However I estimate the oil temp drop through the exchange=
r
> to be 20-25*.
>
>  Mark
>
> All sounds good.  I also have a Laminova H.E (C43-330)., and after
> down-loading the performance charts, and looking at the flow/pressure dro=
p
> data; I chose to plumb it in parallel. It is designed for typical piston
> engine oil flows, and will give some pressure drop in our rotary use.
> Measuring your oil pressure at the return to the engine, don=92t be surpr=
ised
> if you see a lower number than before.
>
>
>
> At 6000 rpm (about 15 gpm oil flow) they show 10-12 psi drop with oil at
> 250F. Don=92t know what it is with oil at 150F.
>
>
>
> Al
>

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Al,=A0<div><br></div><div>Thanks for the info on the Laminova cooler. =A0I&=
#39;ll watch the oil pressure closely. =A0</div><div><br></div><div>Mark<br=
><br><div class=3D"gmail_quote">On Mon, Jul 5, 2010 at 6:55 PM, Al Gietzen =
<span dir=3D"ltr">&lt;<a href=3D"mailto:ALVentures@cox.net">ALVentures@cox.=
net</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">











<div lang=3D"EN-US" link=3D"blue" vlink=3D"purple">

<div><div class=3D"im">

<div>

<p class=3D"MsoNormal" style=3D"margin-left:.5in"><font size=3D"3" face=3D"=
Times New Roman"><span style=3D"font-size:12.0pt">I added a Laminova oil/wa=
ter exchanger.=A0 It is
connected to the coolant return line=A0and in series with the oil/air
exchanger.=A0 I measured a 10* increase in coolant temp through the
exchanger.=A0 I haven&#39;t=A0measured the oil temp drop=A0yet.=A0
However I=A0estimate the oil temp drop=A0through the exchanger to
be=A020-25*.=A0=A0</span></font></p>

</div>

</div><div>

<p class=3D"MsoNormal" style=3D"margin-left:.5in"><font size=3D"3" face=3D"=
Times New Roman"><span style=3D"font-size:12.0pt">=A0Mark=A0=A0=A0=A0</span=
></font></p>

<p class=3D"MsoNormal"><font size=3D"2" color=3D"blue" face=3D"Verdana"><sp=
an style=3D"font-size:11.0pt;font-family:Verdana;color:blue">All sounds goo=
d.=A0 I also have a Laminova
H.E (C43-330)., and after down-loading the performance charts, and looking =
at
the flow/pressure drop data; I chose to plumb it in parallel. It is designe=
d
for typical piston engine oil flows, and will give some pressure drop in ou=
r
rotary use. Measuring your oil pressure at the return to the engine, don=92=
t
be surprised if you see a lower number than before.</span></font></p>

<p class=3D"MsoNormal"><font size=3D"2" color=3D"blue" face=3D"Verdana"><sp=
an style=3D"font-size:11.0pt;font-family:Verdana;color:blue">=A0</span></fo=
nt></p>

<p class=3D"MsoNormal"><font size=3D"2" color=3D"blue" face=3D"Verdana"><sp=
an style=3D"font-size:11.0pt;font-family:Verdana;color:blue">At 6000 rpm (a=
bout 15 gpm oil flow) they
show 10-12 psi drop with oil at 250F. Don=92t know what it is with oil at
150F.</span></font></p>

<p class=3D"MsoNormal"><font size=3D"2" color=3D"blue" face=3D"Verdana"><sp=
an style=3D"font-size:11.0pt;font-family:Verdana;color:blue">=A0</span></fo=
nt></p><font color=3D"#888888">

<p class=3D"MsoNormal"><font size=3D"2" color=3D"blue" face=3D"Verdana"><sp=
an style=3D"font-size:11.0pt;font-family:Verdana;color:blue">Al</span></fon=
t></p>

</font></div>

</div>

</div>


</blockquote></div><br></div>

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