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Hi Thomas,
This may be a problem. That's how I thought it was going to be when I
was thinking it went the other way, but now I would have to turn the
cooler upside down. Doing so will make the inlet hose stick out thru the
bottom of the cowl. Very incovenient for routing the plumbing.
Mounting this oil cooler has been a major pain in the behind. Come to
think of it, my biggest problems have been plumbing.
I may have to try it Ed's way and run the oil thru backwards if I can
convince myslef that I won't have a thermostat problem.
Bob W.
On Sat, 20 Aug 2005 14:17:59 -0500
"rijakits" <rijakits@cwpanama.net> wrote:
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
> >
> >
--
http://www.bob-white.com
N93BD - Rotary Powered BD-4 (real soon)
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