Where Fuel and Air Meet

Basics of piston aircraft engine fuel metering systems If you fly a piston aircraft, chances are it has a spark-ignition (SI) engines that burns gasoline. There also exist compression-ignition (CI) engines—also called diesels—that burn kerosene, but in today’s GA...

Planes and Cars

Some thought-provoking comparisons I received a thought-provoking email from AOPA PILOT reader Nate Bissonette of St. Paul, Minnesota that started me thinking about differences between automobiles and GA airplanes. According to data from the U.S. Department of...

Making Metal Behave

How we coax metal aircraft parts into doing what must be done Metal is neat stuff. It’s strong, hard, and tough. It’s easy to form, work, shape and machine. It’s fireproof and can stand up to high temperatures. But these properties aren’t unique to metal. ...

Where’s the Smoking Gun?

When aircraft problems occur, we always want an explanation but don’t always get one I receive thousands of emails from aircraft owners each year, but this one was unusual. It was nearly 3,000 words long—twice the length of this article. The 7,500-hour CFI who wrote...

GA Engine Summit 2017

Industry and the FAA meet to discuss GA piston engine issues In mid-September 2017, I was invited to participate in a two-day “GA Engine Summit” meeting in Burlington, Massachusetts—about 30 minutes’ drive northwest of Boston. This meeting was a long-awaited sequel to...