Editors Blogs

Piro Flip

Apr 15, 2011 No Comments

One of the maneuvers I love to see performed is the piro-flip. Those of you who know how to do this make it look so easy and effortless, but I have been trying this maneuver on and off for the past several years without much improvement. The technique I’m working on is to master the [...]

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Ethanol question

Apr 13, 2011 No Comments

Here in the northeast, ethanol in the gasoline that we buy at the gas station is a fact of life. Clarence Lee has indicated that RC gas engines should be run on gasoline with no ethanol. In the recent past, ethanol was only blended into our gas seasonally, but now I think it is included [...]

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Pumped carb vs. muffler pressure

Apr 13, 2011 2 Comments

Hi :  I read your “engine clinic ” articles all the time and enjoy them.  My question is this.   I was given an O.S. .70  4 stroke “Ultimate:” as a gift.  I would never have bought a pumped engine but I’m stuck with this one.  I’ve been running 4 strokes for the past 20 years a [...]

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