Winterizing your plane

Posted on September 25th, 2011 by

A couple of days ago when I went out for my morning walk I noticed something had changed. Instead of warm and sunny, there was a chill in the air. I then realized that fall is approaching and I needed... Continue Reading →

Knock free

Posted on August 29th, 2011 by

In one of my recent columns I stated that if an engine runs knock free on an 87 octane fuel, using a higher octane fuel will not benefit you in any way. I received several inquiries about whether this was... Continue Reading →

Flawed logic

Posted on July 6th, 2011 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. I recently received a question from reader Bill Blank asking whether there was more BTUs in higher octane fuels and if there was any... Continue Reading →

Good science

Posted on June 8th, 2011 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. In one of my past columns, I criticized the ethanol industry and others for using “bad science” to promote their products. I received several... Continue Reading →

How long can fuel be safely stored?

Posted on May 15th, 2011 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. He has been a private pilot since 1985. Reader Jerry Johnson recently wrote in with a question about fuel storage: “Rotax indicates that octane... Continue Reading →

Testing for ethanol

Posted on April 19th, 2011 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. He has been a private pilot since 1985. How do you test for ethanol in auto gas? Recently, I’ve received a lot of e-mails... Continue Reading →

The fuel of the future: Is it already here?

Posted on February 27th, 2011 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. He has been a private pilot since 1985. I recently received a note from reader Scott Shroyer, who is looking to buy a used... Continue Reading →

How long can Jet A be stored?

Posted on February 6th, 2011 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. He has been a private pilot since 1985. In my last post, How long can fuel be safely stored?, I talked about the storage... Continue Reading →

How long can fuel be safely stored?

Posted on January 9th, 2011 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. He has been a private pilot since 1985. Asking about the storage life of 100LL and auto gas is like asking a doctor, “How... Continue Reading →

Ethanol: A very real danger

Posted on November 30th, 2010 by

Ben Visser is an aviation fuels and lubricants expert who spent 33 years with Shell Oil. In a recent post I discussed the problems with ethanol and water in a plane’s fuel system. I received a large number of replies... Continue Reading →