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Date: Tue, 15 Dec 2009 14:07:00 -0600
Message-ID: <5cf132c0912151207m480ec8e1g50109433e3997326@mail.gmail.com>
Subject: Re: [FlyRotary] Oil cooling
From: Mark Steitle <msteitle@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Lynn,

Its funny.  I own a rotary-powered airplane, but have never owned a rotary
powered auto.  (I may have to do something about that.)  After 150 hours
flying behind a rotary, there's no way I would ever consider switching to a
recip.

Mark

On Tue, Dec 15, 2009 at 12:21 PM, Lynn Hanover <lehanover@gmail.com> wrote:

> "How can you screw this up?"
>
> Given enough time, I'm sure I can figure a way.  ;-)
>
> Mark
>
> The little problems that often get blamed on the rotary are also common to
> all engine installations. There are parallels all along the way. So the
> light at the end of the tunnel is the same for everyone. The engine type, I
> propose makes little difference.
>
> The advantage of the rotary is that it is rugged in the extreme. I bought
> my wife an RX-3 many years ago for $500.00. It was as new inside and out. It
> had been purchased used by a well off fellow for his daughter to drive to
> OSU. It served her well. The oil in the sump was the same oil that was in it
> when they bought it. It had become hard to start. The sump oil (the few cups
> left) was as thick as axle grease and had a bitter foul smell. It was hard
> to start with low compression even though it was summer time. I took it home
> on the race car trailer. I took off the pan and scrapped out the muck. I put
> on a new filter and installed oil mixed with a quart of auto trans fluid. I
> installed a used OMP with some good plastic lines, and ran the engine for a
> few hours. I dumped that out and put in some 50 weight Valvoline racing oil
> and another new filter. The worn out oil scrapers let by enough Valvoline to
> keep the compression up and made starting easy. The smoking was minimal.
> That engine lasted another three years. One day it locked up solid without
> warning. The apex seals had worn down to so short, that one fell out of the
> groove and got run over. The housings were missing all of the chrome. The
> irons were badly grooved and even the crank was scored and useless. But
> almost all of that happened before I bought the car.
>
> The learning curve is not steeper. It is just a bit different. The reward
> is a reliable engine with minimal operating costs.
>
> Lynn E. Hanover
>

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<div>Lynn, </div>
<div>=A0</div>
<div>Its funny.=A0 I own a rotary-powered airplane, but have never owned a =
rotary powered auto.=A0 (I may have to do something about that.)=A0 After 1=
50 hours flying behind a rotary, there&#39;s no way I would=A0ever consider=
 switching to a recip.=A0 </div>

<div>=A0</div>
<div>Mark<br><br></div>
<div class=3D"gmail_quote">On Tue, Dec 15, 2009 at 12:21 PM, Lynn Hanover <=
span dir=3D"ltr">&lt;<a href=3D"mailto:lehanover@gmail.com">lehanover@gmail=
.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><font color=3D"#3333ff">&quot;How can you screw this up?&quot;</font><=
/div>
<div>=A0</div>
<div>Given enough time, I&#39;m sure I can figure a way.=A0 ;-)</div>
<div>=A0</div>
<div>Mark<br></div>
<div>=A0</div>
<div>The little problems that often get blamed on the rotary are also commo=
n to all engine installations. There are parallels all along the way. So th=
e light at the end of the tunnel is the same for everyone. The engine type,=
 I propose makes little difference.</div>

<div>=A0</div>
<div>The advantage of the rotary is that it is rugged in the extreme. I bou=
ght my wife an RX-3 many years ago for $500.00. It was as new inside and ou=
t. It had been purchased used by a well off fellow for his daughter to driv=
e to OSU. It served her well. The oil in the sump was the same oil that was=
 in it when they bought it. It had become hard to start. The sump oil (the =
few cups left) was as thick as axle grease and had a bitter foul smell. It =
was hard to start with low compression even though it was summer time. I to=
ok it home on the race car trailer. I took off the pan and scrapped out the=
 muck. I put on a new filter and installed oil=A0mixed with a=A0quart of au=
to trans fluid. I installed a used OMP with some good plastic lines, and ra=
n the engine for a few hours. I dumped that out and put in some 50 weight V=
alvoline racing oil and another new filter.=A0The worn out oil scrapers let=
 by enough Valvoline to keep the compression up and made starting easy. The=
 smoking was minimal. That engine lasted another three years. One day it lo=
cked up solid without warning. The apex seals had worn down to so short, th=
at one fell out of the groove and got run over. The housings were missing a=
ll of the chrome. The irons were badly grooved and even the crank was score=
d and useless. But almost all of that happened before I bought the car.</di=
v>

<div>=A0</div>
<div>The learning curve is not steeper. It is just a bit different. The rew=
ard is a reliable engine with minimal operating costs.=A0</div>
<div>=A0</div>
<div>Lynn E. Hanover</div></blockquote></div><br>

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