REFLECTOR: One or Two oil coolers?
Brian Michalk
michalk at awpi.com
Fri May 11 18:11:40 CDT 2007
What is your compression ratio?
Are all the high compression guys running two coolers?
Ron Brown wrote:
>
> I agree with Scott - one oil cooler is enough.
>
> I got one cooler mounted up front. Works great with my IO 360 200
> HP. Has for 330 hours. As I have mentioned before, it can run hot if
> take off right after shutting down like picking up Young Eagles.
>
> Also works great on those long taxi runs at Oshkosh and Sun-n-Fun.
> 320-330 degrees is the norm on the ground and in cruise - I have my
> high oil temp alarm set at 360. If it goes off, I lower the nose a
> bit, pull back on the power a bit, and we keep on climbing to cruise
> altitude (8000 ft.) I cruise at 155-160 kts, 2600 rpms, 8 GPH, LOP.
> One cooler will do the job if installed correctly.
>
> There's only one cooler on most other airplanes - I don't know why the
> Velocity got stuck with two???
>
> Ronnie
>
> ----- Original Message -----
> *From:* HYTEC45 at aol.com <mailto:HYTEC45 at aol.com>
> *To:* reflector at tvbf.org <mailto:reflector at tvbf.org>
> *Sent:* Friday, May 11, 2007 6:32 PM
> *Subject:* Re: REFLECTOR: First Flight for N173RT
>
> In a message dated 5/11/2007 2:05:37 P.M. Pacific Standard Time,
> scott at tnstaafl.net <mailto:scott at tnstaafl.net> writes:
>
> I'm in complete disagreement with TEC. One cooler will
> do fine for a 200HP IO360 if its installed correctly
>
>
>
> I also have an engine compartment cooler in series with
> the nose cooler.
>
> ****************************************************************************************************************
> Wow, You are in complete disagreement with me, apparently on both
> my suggestions regarding oil coolers,as you say one is good
> enough, yet you apparently have two. Hmmmm.
> TEC
>
>
>
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