Vintage Power Questions Answered
Before we get to our letters this month, I would like to bring to your attention two websites that I am sure readers who are interested in engine technicalities will find interesting. One is on compression ratio and the other on combustion chamber shapes. Both sites have been written by my good friend Randy Linsalato, who in conjunction with his wife, Anching, own and operate K&B/MECOA. If you are interested in some of the technical aspects of how our model engines operate as well as photos showing how to measure an engine’s bore and stroke and how to set the head clearance, you will find these sites interesting reading. The websites are mecoa.com/faq/ compression/compression.htm and mecoa.com/faq/squish/squish.htm.
Q&A Email your questions to Clarence Lee at MAN@airage.com.
CONDOR .91 FOUR-STROKE
I’m a longtime reader of MAN and like to collect and run antique and oddball model-aircraft engines. Yes, I do fly RC and have been building models since the age of three. I’m one of the last few scratch-builders left. The main reason I am writing you is a bit of a quandary I’m having over an engine I own that nobody seems to know anything about. When I purchased it, the engine didn’t run or start too well, and I attempted many things to try to get it right; most failed.
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