Fuel Dinosaur
Posts: 83
Joined: 6/25/2002
From: Warrenton,
GA, USA
Status: offline
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Cool Power green fuel is 17% all synthetic oil If you read any of the Morgan Fuel ads in the airplane magzines, they recommend OMEGA for ABC and ABN engines and I would assume AAC and similar constructions. In my experience, this fuel comes up far short of the long term lubrication requirements of these engines. If you are interested in a simple cleanup after flying, this is fine, otherwise, my advice, despite the previous comments would be to use a fuel containing some castor, like Omega, Wildcat (18% total oil, but a synthetic/castor blend at 80% synthetic and 20% castor, and 10-15% nitromethane. For 4-stroke engines, you might consider 18% total oil, either all synthetic or LOW castor, 0-4% total castor of the 18% oil and 15% nitromethane for sport flying. We used to use up to 60% nitromethane for racing and added propylene oxide, nitrobenze and you name it. That, like Cool Power does NOT mean it is for our more modern ABC and ABN engines. If you measure wear over time, you will find that some castor on these engines provides a high film strength layer on the non-force side of the crank, one that often burns most of the way off with synthetics. A lot of modelers have the green and pink fuel as their main or only local hobby shop choice. For the ABC engines and OS 2-strokes (ABN), the pink is a far better choice for long term performance and engine life. There are many commercial fuel choices that are better than this one in my experience. Sorry to disagree, but it is always good to hear BOTH sides and really, ALL sides of the story.
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Cool Power - Nonringed engines - 
Cool Pwr and 4 cyc's - 
