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Re: Europa-List: Is 160F too cold?

Subject: Re: Europa-List: Is 160F too cold?
From: Pete Zut <peterz@zutrasoft.com>
Date: Wed, 13 Jan 2021 11:34:13
very nice!  I wonder if the classic rads could handle the 100hp of a ULS
with your setup.

Cheers,
Pete
Classic ULS C-GNPZ

On Wed, Jan 13, 2021 at 11:18 AM crouton <crouton@well.com> wrote:

>
> A second radiator, oil or coolant, should not be required in a Laminova
> set-up.  Removal of the oil radiator in the duct of the XS will increase
> the flow of undisturbed air through the coolant radiator and more than
> compensate for the heat load added to the coolant from the Laminova.
> I have a classic and for several years had to step climb to control
> temps.  I no longer have to do this.
> I keep the airplane at KPGD (Punta Gorda, Florida) and at KEYW (Key West,
> FL) and in a typical year stay in south Florida until July before flying
> north.
>
> To be clear:  I have flown many times with ramp temps in excess of 90F
> (33C) with no ground temperature issues and at 4500ft, 80F (26C) with no
> necessity to step climb to control temperatures.
>
> Creighton Smith  N96EG,  A009,  Classic Mono,  912UL,  Warp Drive,
> >
> >
> >
> > From: crouton <crouton@well.com>
> > Subject: Europa-List: Re:  Is 160F too cold.
> >
> >
> > I have a classic with an 80hp.
> > After several years of experimentation I have settled upon a cowl
> flap/exit air
> > restrictor and, most important, a Laminova water-oil heat exchanger.
> > The cowl flap keeps the coolant temperature under control (210-220F) and
> the heat
> > exchanger keeps the temps in lockstep in cruise.  In climb, the oil temp
> stabilizes
> > at 15-20degF over coolant temp.  (I attribute this to heat load in the
> > gearbox.)
> > If you Choose the Laminova, get the largest of the 3 standard sizes.  It
> will not
> > overcool.
> > (I started with the smallest, moved to the medium and had to install a
> coolant
> > restrictor to force more coolant through the heat exchange section)
> > They are not returnable so go for the big one, its not a great deal
> lerger or more
> > expensive.
> > In descent temps go to 170-180F.  Cowl flapp closed.
> > It has been a lot of work, but I love my Laminova.  I am in Vermont
> currently,
> > with surface temperatures in the 20-25F range. (-5C)
> > Warmup is a bit faster too.
> >
> >
> >
> >
>
>


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