The temperature at which the waxstat opens is usually stamped on the end of
the insert (located inside the thermostat).
Duncan McF.
----- Original Message -----
From: "Richard Holder" <rholder@avnet.co.uk>
Sent: Monday, January 23, 2006 9:35 AM
Subject: Europa-List: Oil Thermostat
>
> I have fitted and test flown my oil thermostat. I fear
> that it is faulty.
>
> I was expecting that the oil temperature would go quickly
> up to 80 or so and stay there whatever I did, unless I
> went to a really hot place when the temp would go up.
>
> I spoke to Steve Slade who currently owns G-MIKI the
> microlight that Nigel Beale put the original thermostat
> on, and on which the mod 10179 is based. He confirmed that
> his plane temp goes to 80 and stays there. he also said
> that the original purpose of the mod was to get the oil
> warming up quicker.
>
> My oil did not warm up quicker. On take-off the
> temperature rose to 95 on a very cold day (3 degrees),
> then it dropped to 60 in the cruise. 60 is where it used
> to cruise on cold days without the thermostat and with
> almost all the radiator blanked off.
>
> My feeling is that the waxstat in the thermostat is
> opening too early and is not opening enough so that some
> oil bypasses the cooler even at over 90.
>
> Anyone got any suggestions ? I am contemplating ripping
> the whole thing off and getting another one.
>
> I relate the sad tale now in case anyone else has bought
> the device and hasn't fitted it yet. The waxstat needs
> checking (dump in a saucepan of water, heat slowly and I
> believe it should start to expand at around 75 degrees and
> be fully extended (12 mm ?) by 85).
>
> If anyone has fitted one I would appreciate feed-back as
> to whether their oil temp goes quickly up to 80 and stays
> there !
>
> TIA
>
> Richard
> G-OWWW High Cross
>
>
>
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