MythBusters: Does lead have any effect on valve life?

Posted on February 22nd, 2008 by

I received a note, recently, from a gentleman who is completing an experimental aircraft with a Lycoming engine. He’s planning to use auto gas and wonders what precautions he should take. Continue Reading →

Liability raises its ugly head once again

Posted on February 8th, 2008 by

I recently received a number of notes from people who asked the same two questions: Could aircraft engine manufacturers build engines that operate safely on autogas and autogas containing ethanol and, if so, why don’t they? Continue Reading →

A new fuel takes flight

Posted on January 25th, 2008 by

On Dec. 17, 2007, the United States Air Force flew a C-17 Globemaster III from McChord Air Force Base in Washington to McGuire Air Force Base in New Jersey on a 50/50 blend of synthetic fuel and JP-8, a traditional... Continue Reading →

Herb Poitz : You may not know his name, but he changed the way we fly

Posted on January 11th, 2008 by

I have been asked many times at air shows if I was the original developer of Aeroshell W oils. Continue Reading →

Own a certified airplane? Just say no to ethanol

Posted on December 21st, 2007 by

In my Nov. 23 column, “”What effect does ethanol have on airplanes?””, I tried to answer the question of what to do if you end up accidentally getting some auto gas that contains ethanol in your airplane. I had intended... Continue Reading →

Oregon legislature compromises GA safety with new ethanol law

Posted on December 7th, 2007 by

I believe it was Mark Twain who once said that nothing is safe when the legislature is in session. Continue Reading →

What effect does ethanol have on airplanes?

Posted on November 23rd, 2007 by

“”What is the effect of having mixed 10% ethanol with avgas and/or ethanol-free mogas on two or three occasions?”” asks reader Ken Rice. “”The place where I bought ethanol-free mogas lied to us about the change to 10% ethanol. I... Continue Reading →

Understanding octane

Posted on November 9th, 2007 by

The most interesting and least understood part of a fuel’s properties is the octane quality or number. Continue Reading →

The difference between 100/130 and 100LL

Posted on October 19th, 2007 by

Some readers, including Noel Dennis, were confused when I made the statement in a recent column that 100LL is actually 100/130 (The definition of insanity: Finding a solution for 100LL requires looking at the facts, Sept. 7 issue). Continue Reading →

Stump the expert

Posted on October 5th, 2007 by

Own an antique engine? Continue Reading →