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Keep it cool: 10 steps to control air flow

Sep 18, 2013 1 Comment by

When working with an internal combustion engine, we always have to deal with the heat that is created by this process. In many cases, the opening in the cowl will allow enough air to flow over the engine to maintain a cool temperature. But when performing extended 3D maneuvers, we have only the air produced by [...]

Glow, How-tos Read more

What fuel is best for your engine?

May 14, 2013 4 Comments by

There is a concern throughout the fuel industry that many of the world’s engine manufacturers are too conservative when recommending lubricating oil percentages for their products. A high lubricating oil percentage never hurt an engine … or did it? A growing body of experimental and practical evidence suggests that modern engines are being impaired by [...]

Glow, Uncategorized Read more

CARBURETOR BASICS

Dec 24, 2011 6 Comments by

 The old saying, takeoffs are optional, but landings are mandatory, certainly applies to RC pilots. But if your engine is not properly adjusted, the landing pattern and touchdown can be a very iffy proposition. Two-stroke glow engines must have a solid and reliable idle; it’s even more important than all-out top-end rpm. Let’s examine the [...]

Featured News, Glow Read more

Accident with back-firing 4-stroke

Aug 30, 2011 3 Comments by

Q: Greetings Mr. Lee, I am addressing this to you because I know that a lot of folks read your column, you are most knowledgeable on engines. Late  last October I was starting a new 4 cycle, 1.50 engine for the first time. I had a high quality aluminum spinner attached with the standard adapter [...]

Clarence Lee, Editors Blogs, Glow Read more

O.S. FS-62V: new 4-stroke engine!

Aug 01, 2011 No Comments by

Cutting-edge performance and 1930′s styling are ideal for your scale or sport aircraft. This new 4-stroke features a multi-cylinder design, deep bass sound and an angled valve layout with individual valve covers. Its cylinder head and crankcase are made of different material for optimum cooling and efficiency. This new powerplant uses the same the same bolt [...]

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Engine Shutdown Procedure

Jul 12, 2011 No Comments by

Q: I have an O.S 81 FS & 110 FS with the closed crankcase–no external vent or nipple. What advice can you give me for shutting down after each flying session? It is not practical to remove the glo plug each day to load after run oil. The aluminum head & steel threads on the glo plug — [...]

Clarence Lee, Editors Blogs, Glow Read more

Inverted issues

May 22, 2011 2 Comments

Clarence,     I have a OS BGX-1 mounted inverted in a one-fifth scale Pica P-40. I am using a J-Tec muffler.This engine is very hard to start. I usually have to turn the plane over, place in a cradle, then it starts, by hand, easily. I then shut it down, put the plane back on its [...]

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4-Stroke: to vent or not to vent?

May 09, 2011 No Comments

I am a long time reader of your column, first time writer. I have learned a lot from your column, and I appreciate the service you provide with your engine wisdom.  I have been running four stroke model engines since my first OS FS 40 in about 1983. I have always “vented” the crankcase out [...]

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