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Engine Clinic: Recommended fuel mixtures and more
In my April column, we discussed why large engines require less oil in the fuel than smaller engines, and ran an article by Duke Fox on this subject. Duke had written the piece for his “Duke’s Mixture” advertisement that appeared in the August 1969 issue of Model Airplane News. Reader Oscar Furlong did not agree with what Duke had to say. Whereas Duke’s article was based on engineering theory, Oscar Furlong’s letter was based on...
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