Eric

If you are going to use a Mazda rotary,  the oil pressure is to high and pulsating to use! Unless you use another pump to pump it out of the oil pan to the heater. The engine oil pump will eat up most every flexible line or coil you might use.

Bob Tilley
Baton Rouge

On Sep 13, 2010, at 4:39 PM, "Eric Deslauriers" <edeslauriers@demersbeaulne.com> wrote:

> I did a bit of reading on many on the car forum (read diesel and hybrids), and the consensus on these boards is that 12V electric heating does not work. Plus the draw on the electric system is very high. But I will monitor your progress for sure.
>
> But, I was thinking of running 1/2" flexible aluminum tubing (will probably need to be insulated?) from the engine compartment to the nose section to install an oil radiator core and blower there. Exactly like it's shown in the Aerocanard video (lines glasses to the inside of both fuselage sides).
>
> If I were to use coolant and not oil, what size/type of lines should I use? And are 1/2" line for oil adequate? If not what would be an ideal setup for someone using a radiator (coolant or oil? What line size/type?, etc.)?
>
> I really appreciate the help (guess it not the last time I use this line :-) )
>
> Eric Deslauriers, CMA
> Directeur principal / Senior Manager
> Juricomptabilité et évaluation d'entreprises / Forensic accounting and business valuation
> Demers Beaulne S.E.N.C.R.L.
> 1100, boul René-Lévesque Ouest, 20ième étage
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>
>
> -----Message d'origine-----
> De : Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] De la part de Ernest Christley
> Envoyé : 13 septembre 2010 16:31
> À : Rotary motors in aircraft
> Objet : [FlyRotary] Re: New rotary Cozy IV builder
>
> John Slade wrote:
>> Something like this:
>> http://www.google.com/products/catalog?q=12v+ceramic+heater&hl=en&cid=12874249802847341330&ei=94GOTLWcA6DOwQXgnu2cBA&sa=title&ved=0CAcQ8wIwADgA#p
>> <http://www.google.com/products/catalog?q=12v+ceramic+heater&hl=en&cid=12874249802847341330&ei=94GOTLWcA6DOwQXgnu2cBA&sa=title&ved=0CAcQ8wIwADgA#p>
>>
>> Chad Robinson is installing a couple of these. I will probably get
>> something similar.
>
> 300 watts.  That's going to be 20 to 25 amps, depending on what your
> regulator is set to, and will still only give 1/4 of what the typical
> hair dryer delivers.  Probably a minor issue if the heat can be trapped
> in that insulated tube called a Cozy cockpit, but close to useless
> otherwise.  I have found the defrost to be MUCH more important than
> cabin heat.  The defrost of the Cherokee I trained in could barely keep
> up with the chill of a North Carolina morning, and made finding the
> airport "interesting" (wipe/scan......wipe/scan....wipe).
>
> My solution for my Delta was to pull heat off the oil cooler.  A movable
> panel blocks part of the air in the exit duct and forces it through the
> cabin through SCEET hoses.  Vents are located in what I hope are optimal
> defrosting positions.
>
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