REFLECTOR: Engine pre-heat

John Dibble aminetech at bluefrog.com
Tue Nov 9 19:10:57 CST 2010


While heating the oil infrequently is ok.  I think heating all the time is a bad
idea.  Any water will evaporate and then condense in the cylinders causing corrosion.

John

Darrell & Nora Kufalk wrote:

> I installed one of these...
> http://www.aircraftspruce.com/catalog/eppages/ezHeater.php
> It works really well.  Even when the temps get down in the teens, my engine
> and cylinders are in the 70's.  I always let it soak for at least 12 hours.
> The heat conducts up from the oil pan into the entire engine.  Just make
> sure you plug all the holes in your cowling and maybe throw a blanket over
> the top.  Before I start my preflight I put my hand on the valve covers to
> make sure they are warm.
>
> Darrell
>
> ----- Original Message -----
> From: "Lou Stedman" <stedmanlou at roadrunner.com>
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Sent: Tuesday, November 09, 2010 1:44 PM
> Subject: Re: REFLECTOR: Engine pre-heat
>
> > It was my understanding that just the oil pre-heaters do not solve the
> > problem with cold starts. The oil gets warm but not the cylinders. That is
> > where the wear can come from. I was told that to be effective, both oil
> > heater and cylinder heaters are required.
> > ----- Original Message -----
> > From: "Laurence Coen" <lwcoen at hotmail.com>
> > To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> > Sent: Tuesday, November 09, 2010 2:03 PM
> > Subject: Re: REFLECTOR: Engine pre-heat
> >
> >
> >> Karl,
> >>
> >> I use a flat glue on sump heater.  It looks just like the pricey aviation
> >> types but came from an automotive supply house I found on the internet.
> >> I no longer can remember which one.  I think it is a 250W heater.  The
> >> plug is accessed at the back of the cowl so I can plug in an extension
> >> cord and I'm in business.  I put an old quilt over the cowl the night
> >> before flight and when the temp is in the 20's I have warm oil and the
> >> CHT's are in the 70's. I take a 100' extension cord with me when I travel
> >> in cold climes and find most FBO's will let you plug in for a couple of
> >> hours.  It works.
> >>
> >> Larry Coen
> >> N136LC
> >>
> >> --------------------------------------------------
> >> From: "Karl J. Warner" <karljwarnerpa at earthlink.net>
> >> Sent: Tuesday, November 09, 2010 10:45 AM
> >> To: <reflector at tvbf.org>
> >> Subject: REFLECTOR: Engine pre-heat
> >>
> >>> Hi all, I'd like some input on pre-heating.  Anyone using a system they
> >>> are particularly happy with?  I'll have electric power and my V will be
> >>> hangared in Maine for part of this winter.  Any input is appreciated.
> >>> Karl
> >>> Velocity SEFG
> >>> 500++hours of fun
> >>>
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