Designer's Notebook

One step forward, two steps back

Home Machinist Bob Fritz had been looking for a way to compare the effectiveness of various screw extractors he had accumulated in his toolbox, and he found a willing test subject in a Cessna 170s 60-year-old gas tank.

Few homebuilders forget the first airplane they constructed, even if they go on to do others. That was the case with Mike Maxwell, who had pretty much given up on ever seeing his Lancair 235 again. But life is nothing if not full of surprises, and Mike was in for a big one.

The year is 2021. Fear surrounding the pandemic has subsided a bit and the...