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Evans Coolant

 
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benburb(at)comcast.net
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PostPosted: Sun Nov 26, 2006 8:24 am    Post subject: Evans Coolant Reply with quote

In my 912 UL installed in a Kitfox III, after about 60 hours TT, I
switched to straight Evans coolant, doing the system flush as
required- all as advised by ROTAX. I have been running very hot
water temperatures ever since- borderline too hot. Has anybody else
run into this problem? Lockwood tech help asked me why I made the
switch, saying they don't do it themselves. Thanks
Ben


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dhkey(at)msn.com
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PostPosted: Sun Nov 26, 2006 8:44 am    Post subject: Evans Coolant Reply with quote

I use the Evans in my 912, works great for me. I have to shield off some of
my oil cooler in the winter months because my coolant temps were at 170 now
they are back to 190.
Quote:
From: Ben Burbridge <benburb(at)comcast.net>
Reply-To: rotaxengines-list(at)matronics.com
To: rotaxengines-list(at)matronics.com
Subject: Evans Coolant
Date: Sun, 26 Nov 2006 11:23:37 -0500


<benburb(at)comcast.net>

In my 912 UL installed in a Kitfox III, after about 60 hours TT, I switched
to straight Evans coolant, doing the system flush as required- all as
advised by ROTAX. I have been running very hot water temperatures ever
since- borderline too hot. Has anybody else run into this problem?
Lockwood tech help asked me why I made the switch, saying they don't do it
themselves. Thanks
Ben




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rparigor(at)suffolk.lib.n
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PostPosted: Sun Nov 26, 2006 11:13 am    Post subject: Evans Coolant Reply with quote

Hello Ben

"I have been running very hot water temperatures ever since- borderline
too hot. Has anybody else run into this problem?"

Evans does not conduct as well as 50/50. I am not flying, but believe this
is normal on Europas.

I talked to Evans, and in automobiles they want you either to increase
flow with a more powerful pump, or more cooling area on a larger radiator,
or both to compensate for poorer conductivity.

Once you reach higher temperatures, instead of boiling and not cooling
hardly at all like 50/50, Evans will conduct a lot more, this is the real
advantage. Did you calibrate your gauges to see if they are remote close
to accurate?

Downsides besides thermal conductivity less than 505/50, price, not
readily available local, need to flush, is that it is flammable.

I am going to try Evans on my 914 Europa first.

Ron Parigoris


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