REFLECTOR: Oil temps

[Scott Derrick]

If you run one oil line in the port side duct and the other in the 
starboard side duct I think a nose oil cooler will outshine the rear 
cooler by a wide margin.  Separating  the  oil lines turns  each 10 ft 
run into a long oil cooler.

I did change out my 1/2 inch lines for 5/8 lines when I upgraded from an 
IO360 to a TSIO520.  Seemed like the right thing to do.  I was told the 
520 circulates about 1/3 more oil than the 360.

As Tom pointed out even with both lines in one duct and a 200HP  IO360, 
I had no problems keeping the oil cool.

Scott

Tom wrote:
> In reading this whole thread it appears that no one is asking the 
> question as to why a single (even smaller) oil cooler works perfectly 
> fine on OTHER aircraft designs having an IO-360.  I'd bet that a single 
> (rear) cooler on a velocity would work much better than a nose mounted 
> one since the oil would not have to be pushed through several yards of 
> tubing. Yes, a tractor design does add some additional slipstream for a 
> cooler but becomes less of a factor as speed increases. Cruise to cruise 
> comparison would find nose mounted coolers on pushers lacking (unless 
> they had huge tubing).
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