Gilles
I hope this the Spirit of the Forum:"
"Everyone here is entitled to express one's technical opinion"
So nothing personal. All the responsibility is readers not writers.
Also everybody can understand this is not pure black or white -case.
I personally trust water thermostat and that is it. Flaps are for you.
Most Rotax flyers fly w/o cowl flaps or thermostats and are happy.
My "salesmans comparson list" was made by IMHO principle.
I know and understand thermostats well but flaps; I have only
mental pictures. Maybe you could list the facts of flaps?
Ideal Temperature Regards, Raimo
----- Original Message -----
From: "Gilles Thesee" <Gilles.Thesee@ac-grenoble.fr>
Sent: Wednesday, November 15, 2006 11:56 PM
Subject: Re: Europa-List: Oil cooler thermostat
>
> Raimo,
>
> > - it is heavy (thermostat is light weight)
> > - it is complicated (thermostat is simple)
> > - it is unic hand work (thermostat is a mass serial product)
> > - it is hard to install (thermostat is straightforward)
> > - it tooks space and you have not it too much w Europa (thermostat does not)
> > - it needs regular service and inspections (thermostat is forgetable)
> > - it is expensive (thermostat is cheap)
> > - it is manual and you have one knob more (thermostat is automatic)
> > - it is not always in ideal position, because it is pilot operated
> > (thermostat is always in ideal position, no steps)
> > - when broken, it can happen in closed position and it stays closed
> > (thermostat stays open when broken but that situation happens
> > almost never - they are highreliable)
> > - when starting, cold water is cooling your engine harmly instantly
> > (when thermostat water is not cooling the engine until necessary)
> >
> >
>
> Everyone here is entitled to express one's technical opinion, and
> clearly your are sold on the water thermostat !
> I understand your motivations, and wouldn't try to dissuade you. I would
> say that you are right on most of the above points concerning the
> thermostat.
> Like many others, I sure would appreciate any technical feedback on it's
> operation.
> I only intervened in this topic because I (maybe wrongly) got the
> impression that you were asking questions about cooling.
>
> I just hope I too am entitled to express my opinion on cowl flaps, based
> on many hours experimenting and flying them, with findings somewhat
> different than most of the above points.
>
> Best regards,
> Gilles
> http://contrails.free.fr
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