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Message-ID: <3c14c5540812031427h6bc46255x1584a544a8a479ae@mail.gmail.com>
Date: Wed, 3 Dec 2008 16:27:09 -0600
From: "Bill Eslick" <wgeslick@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: First Flight, short and hot
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Jeff,

I still have the original hose on mine, but I have never been able to see
through it in a useful manner.  The only way to check the coolant level is
to de-pressurize (easy to do) and remove the cap.  If all is well, it shoul=
d
remain about 1/2 full if that is where you started.

Last week I was having some coolant temp discrepancies as in high water tem=
p
but low radiator exit temps.  After letting it cool, I let out the pressure
and found the header tank full!  I pulled the fill plug from the high point
above the thermostat housing and found where the fluid came from!  Using a
baster, I moved it from the tank to the housing where it was supposed to
be.

I thought maybe I had a compression leak or something that would have force=
d
air into the system and pushed out coolant, but can't find any leaks.  It
has not done it since then.  The coolant temp sensor was just hanging in ai=
r
while the rad temp sensors were still measuring water temp.  I sure would
like to know where that air came from!

Bill Eslick
13B RD-1A NA


On Tue, Dec 2, 2008 at 1:03 PM, Jeff Whaley <jwhaley@datacast.com> wrote:

>  Thanks Kelly, I copied (Bill Eslick's) installation (seen at Round-up)
> and the see-through aspect of that hose was a major selling point; it's e=
asy
> to see whether there's air or fluid in the line, which is very helpful =
=85
> ideally there should be fluid in the line and about 1 cup in the expansio=
n
> tank; I suppose removing the cap would provide same information =85 but t=
he
> tank has to be de-pressurized, cap removed and re-pressurized before flig=
ht.
>
> Bill any comments on durability of that hose?
>

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Jeff,<br><br>I still have the original hose on mine, but I have never been =
able to see through it in a useful manner.&nbsp; The only way to check the =
coolant level is to de-pressurize (easy to do) and remove the cap.&nbsp; If=
 all is well, it should remain about 1/2 full if that is where you started.=
<br>
<br>Last week I was having some coolant temp discrepancies as in high water=
 temp but low radiator exit temps.&nbsp; After letting it cool, I let out t=
he pressure and found the header tank full!&nbsp; I pulled the fill plug fr=
om the high point above the thermostat housing and found where the fluid ca=
me from!&nbsp; Using a baster, I moved it from the tank to the housing wher=
e it was supposed to be.&nbsp; <br>
<br>I thought maybe I had a compression leak or something that would have f=
orced air into the system and pushed out coolant, but can&#39;t find any le=
aks.&nbsp; It has not done it since then.&nbsp; The coolant temp sensor was=
 just hanging in air while the rad temp sensors were still measuring water =
temp.&nbsp; I sure would like to know where that air came from!<br>
<br>Bill Eslick<br>13B RD-1A NA<br><br><br><div class=3D"gmail_quote">On Tu=
e, Dec 2, 2008 at 1:03 PM, Jeff Whaley <span dir=3D"ltr">&lt;<a href=3D"mai=
lto:jwhaley@datacast.com">jwhaley@datacast.com</a>&gt;</span> wrote:<br><bl=
ockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, 204=
, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">









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

<div>

<p><span style=3D"font-size: 11pt; color: rgb(31, 73, 125);">Thanks Kelly, =
I copied (Bill Eslick's) installation (seen at
Round-up) and the see-through aspect of that hose was a major selling point=
; it's
easy to see whether there's air or fluid in the line, which is very helpful=
 =85 ideally
there should be fluid in the line and about 1 cup in the expansion tank; I
suppose removing the cap would provide same information =85 but the tank ha=
s to
be de-pressurized, cap removed and re-pressurized before flight.</span></p>

<p><span style=3D"font-size: 11pt; color: rgb(31, 73, 125);">Bill any comme=
nts on durability of that hose?</span></p></div></div></blockquote></div><b=
r>

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