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Bob,
just ot make sure, whatever position you mount the cooler, do it so that any
gas (trapped air, oil vapor, etc.) can be pushed out in FLOW-Direction, not
against it. Also make sure that the outlet is at the highest spot, even if
you have to mount the cooler a little crocked (un-estetic, but works!).
I remember some 20 years back BMW started to offer oil-coolers on their
bikes. Lots of them had trouble with oil-temp after oil-changes:
Oil would drain out of the cooler - oil-pump starts to load the cooler and
in the process trapps a good amount of air - inlet and outlet where facing
down for more estetic oil line routing (or cheaper, shorter lines :)).
Easiest fix was to mount the cooler up-side down, get 180º fittings and
mount the cooler lower so the orignal lines would fit - no more trapped air
as it was pushed out the outlet as the cooler filled up.
I believe the coolers were single pass.
Thomas J.
----- Original Message ----- From: "Bob White" <bob@bob-white.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Saturday, August 20, 2005 1:25 PM
Subject: [FlyRotary] Re: Oil Cooler Connections
Thanks Ed (and Al also),
I was just writing a reply to Al give a little more detail, but his
observation seems to have been correct. I thought the nut on the
bottom might have something to do with the thermostat that I thought
the stock Mazda coolers had. Did you remove or disable the thermostat
or, am I mistaken in thinking it has one?
One other question that concerns me a little, I was told by Racing Beat
when I ordered the AN adaptors, that the Mazda cooler had a 16 MM and
an 18 MM fitting like the front and rear covers. This cooler (from
Bruce T.) has two 18 MM threads. Does the manual mention the thread
sizes?
Bob W.
On Sat, 20 Aug 2005 14:12:51 -0400
"Ed Anderson" <eanderson@carolina.rr.com> wrote:
> Bob, I just checked the Mazda manual and it clearly shows the inlet
(oil
> from engine oil pump) is the top fitting and outlet (to inlet on rear
> housing) the side fitting. Now for what its worth I mistakenly hooked
mine
> up as your labels indicate - then later realized my mistake - but, since
the
> oil temps and pressures were fine, I never changed it to the correct
> direction.
>
> Ed
>
>
> ----- Original Message ----- > From: "Bob White" <bob@bob-white.com>
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Sent: Saturday, August 20, 2005 11:48 AM
> Subject: [FlyRotary] Oil Cooler Connections
>
>
> > To prevent me from making a mistake (agian), do I have the input and
> > output labeled correctly in this photo?
> >
> > Thanks,
> > Bob W.
> >
> > -- > > http://www.bob-white.com
> > N93BD - Rotary Powered BD-4 (real soon)
> > Prewired EC2 Cables - http://www.roblinphoto.com/shop/
> >
>
>
--------------------------------------------------------------------------
------
>
>
> > --
> > Homepage: http://www.flyrotary.com/
> > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
> >
>
>
>
> --
> Homepage: http://www.flyrotary.com/
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>
>
-- http://www.bob-white.com
N93BD - Rotary Powered BD-4 (real soon)
Prewired EC2 Cables - http://www.roblinphoto.com/shop/
--
Homepage: http://www.flyrotary.com/
Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
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