Today's Message Index:
----------------------
1. 12:02 AM - 912ULS Oil thermostat (Les Goldner)
2. 04:35 AM - Re: 912ULS Oil thermostat (Matt Tucciarone)
3. 04:38 AM - Re: 912ULS Oil thermostat (Matt Tucciarone)
4. 07:30 AM - Re: 912ULS Oil thermostat (Jack Kuehn)
5. 08:11 AM - Re: 912ULS Oil thermostat (Hugh)
6. 01:40 PM - Re: 912ULS Oil thermostat (Roger Lee)
7. 02:07 PM - Re: 912ULS Oil thermostat (Les Goldner)
Message 1
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| Subject: | 912ULS Oil thermostat |
Although it was 60 degrees Fahrenheit today, I still had to wait 15 minutes
for my 100HP 912ULS oil to get to 120F+degrees so that I could take off.
While waiting, it dawned on me that maybe I need to consider a bypass
thermostat for the oil cooler/radiator.
There is no mention of such a bypass in the Rotax Installation Manual or in
my Zenith 701 manual.
Have any of you installed oil bypass thermostats? Is this something that I
should consider adding, or will it just add another point of potential
failure that should be avoided?
Les
Message 2
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| Subject: | 912ULS Oil thermostat |
I have an oil thermostat for my 912ULS. I have a sea plane ( Aventura II )
and my whole engine is exposed. I have had this on my engine for about 2
years now and I know 2 other guys that have them also. it keeps my oil right
at around 190 f. Before my oil never got close over 140. You can buy the
thermostat from Lockwood.
I was also having a problem keeping my water temps up, especially in the
winter. I was taping over my radiator and this got to be a pain so I talked
to some guys in Canada and they use a ball valve on the heater line so as to
restrict the flow of the coolant. I call Kerry at Lockwood and asked him if
that would be a problem with the water pump. He said It wouldn't. Now I can
basically dial in my water temp to what I want no matter what the temp
outside is.
_____
Although it was 60 degrees Fahrenheit today, I still had to wait 15 minutes
for my 100HP 912ULS oil to get to 120F+degrees so that I could take off.
While waiting, it dawned on me that maybe I need to consider a bypass
thermostat for the oil cooler/radiator.
There is no mention of such a bypass in the Rotax Installation Manual or in
my Zenith 701 manual.
Have any of you installed oil bypass thermostats? Is this something that I
should consider adding, or will it just add another point of potential
failure that should be avoided?
Les
Message 3
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| Subject: | 912ULS Oil thermostat |
By the way, the oil thermostat is designed so that if it were to stop
working, it would stay in the position with the oil continuing to the oil
cooler.
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Les
Goldner
Sent: Saturday, March 22, 2008 3:00 AM
Subject: RotaxEngines-List: 912ULS Oil thermostat
Although it was 60 degrees Fahrenheit today, I still had to wait 15 minutes
for my 100HP 912ULS oil to get to 120F+degrees so that I could take off.
While waiting, it dawned on me that maybe I need to consider a bypass
thermostat for the oil cooler/radiator.
There is no mention of such a bypass in the Rotax Installation Manual or in
my Zenith 701 manual.
Have any of you installed oil bypass thermostats? Is this something that I
should consider adding, or will it just add another point of potential
failure that should be avoided?
Les
Message 4
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| Subject: | Re: 912ULS Oil thermostat |
Yes! Get one from Lockwood, they recommend them, they work, and they
are easy to install. I installed one after about 30 hours, and warmup
is faster in all weather, and no overheating. I have 124 hours on the
engine now. It does not shut down all flow through the oil cooler, so
that if the thermostat opens up, the engine does not get a cold slug
of oil. If it fails, it fails open. Has anyone out there seen one of
these fail yet?
Jack
On Sat, Mar 22, 2008 at 12:59 AM, Les Goldner
<lgold@quantum-associates.com> wrote:
>
>
> Although it was 60 degrees Fahrenheit today, I still had to wait 15 minutes
> for my 100HP 912ULS oil to get to 120F+degrees so that I could take off.
> While waiting, it dawned on me that maybe I need to consider a bypass
> thermostat for the oil cooler/radiator.
> There is no mention of such a bypass in the Rotax Installation Manual or in
> my Zenith 701 manual.
> Have any of you installed oil bypass thermostats? Is this something that I
> should consider adding, or will it just add another point of potential
> failure that should be avoided?
> Les
>
>
Message 5
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| Subject: | 912ULS Oil thermostat |
Les:
I recommend the oil thermostat. It makes life simple. You can get the
exact
same oil thermostat from Summit Racing probably for a better price. You
will
need to determine what type brass =BD=94 fittings you will need
(straight, or 90
degree ells-long sweep). This will depend on how your engine/oil cooling
system is set up on your plane. I would not use the sharp 90 degree
fittings
unless you absolutely had to because of space limitations. You can go to
the
Summit Online store at summitracing.com and look for part N0. PRM-1070,
or
Perma-Cool Remote Mount Thermostats.
Hugh McKay
912UL
Allegro 2000
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Les
Goldner
Sent: Saturday, March 22, 2008 2:00 AM
Subject: RotaxEngines-List: 912ULS Oil thermostat
Although it was 60 degrees Fahrenheit today, I still had to wait 15
minutes
for my 100HP 912ULS oil to get to 120F+degrees so that I could take off.
While waiting, it dawned on me that maybe I need to consider a bypass
thermostat for the oil cooler/radiator.
There is no mention of such a bypass in the Rotax Installation Manual or
in
my Zenith 701 manual.
Have any of you installed oil bypass thermostats? Is this something that
I
should consider adding, or will it just add another point of potential
failure that should be avoided?
Les
Message 6
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| Subject: | Re: 912ULS Oil thermostat |
Hi Hugh,
The guys here are right. The thermostat made by Thermo Cool is the correct one.
It is set for 180F degrees and will fail open if ever there were to be a problem.
They are widely used on Rotax 912 engines. They were originally made for
cars and not Rotax engines. The temp setting is the only one that they make. It
will be cheaper to buy on line and not from Lockwood. The ones on line are all
the same that have the same part number. The fittings are nothing special and
are brass. The fittings can be purchased from a hardware store. Just look at
your oil hoses and see if you need all straight fittings or if you might need
a 90 degree elbow. It will help you get to operating temp a little faster ,
but will not help with any temp gain over the 180F. Rotax recommends oil temps
of 212F, but many can't get there depending on the time of the year.
--------
Roger Lee
Tucson, Az.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=171771#171771
Message 7
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| Subject: | 912ULS Oil thermostat |
Thank you Matt, Jack, and Hugh,
I will order a thermostat today.
Les
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Hugh
Sent: Saturday, March 22, 2008 8:10 AM
Subject: RE: RotaxEngines-List: 912ULS Oil thermostat
Les:
I recommend the oil thermostat. It makes life simple. You can get the
exact
same oil thermostat from Summit Racing probably for a better price. You
will
need to determine what type brass =BD=94 fittings you will need
(straight, or 90
degree ells-long sweep). This will depend on how your engine/oil cooling
system is set up on your plane. I would not use the sharp 90 degree
fittings
unless you absolutely had to because of space limitations. You can go to
the
Summit Online store at summitracing.com and look for part N0. PRM-1070,
or
Perma-Cool Remote Mount Thermostats.
Hugh McKay
912UL
Allegro 2000
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Les
Goldner
Sent: Saturday, March 22, 2008 2:00 AM
Subject: RotaxEngines-List: 912ULS Oil thermostat
Although it was 60 degrees Fahrenheit today, I still had to wait 15
minutes
for my 100HP 912ULS oil to get to 120F+degrees so that I could take off.
While waiting, it dawned on me that maybe I need to consider a bypass
thermostat for the oil cooler/radiator.
There is no mention of such a bypass in the Rotax Installation Manual or
in
my Zenith 701 manual.
Have any of you installed oil bypass thermostats? Is this something that
I
should consider adding, or will it just add another point of potential
failure that should be avoided?
Les
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