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Temperature cycling castor containing fuel

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Temperature cycling castor containing fuel

Old 06-03-2008, 10:55 AM
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Jim Thomerson
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Default Temperature cycling castor containing fuel

July 2008 Flying Models; Larry Driskill's CL Combat coulmn, page 27, quote from Dave Gierke's new book, "Power beyond the basics", "Fuel containg castor oil is said to improve with age. Actually, allowing a 5-gallon can of freshly mixed fuel to cycle through the heat of the day and coolness of the night for a few weeks improves an engine's idling and top-end power. Don't bother heat-cycling your fuel if you are using straight synthetic. It's as good as it will get immediately after mixing."

Very interesting!
Old 06-03-2008, 11:40 AM
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downunder
 
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Default RE: Temperature cycling castor containing fuel

G'day Jim
I'd heard something about that too a couple of years ago and it's something I've never noticed but we rarely tune our stunters for all out power..let alone idling . One thing I have noticed with castor is that it needs a very good shaking to get it completely mixed. Once mixed though it never settles out.
Old 06-03-2008, 12:04 PM
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Default RE: Temperature cycling castor containing fuel

Dave has a heat cycling hang up. He thinks it helps on break in of engines also. Other than a few old iron piston engines, I don't think there is any value to heat cycling engines or fuel.

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