Mark Phelps
Mark Phelps is a senior editor at AVweb. He is an instrument rated private pilot and former owner of a Grumman American AA1B and a V-tail Bonanza.
SubSonex-Based Unmanned Twin-Jet Revealed As Low-Cost Military UAV
Aircraft builders with an active imagination might see a new twin-engine SubSonex in this photo, but don't count on it. Sonex has been open...
ScaledBirds Radial-Powered Curtiss P-36 60% Replica
An airplane-loving design student’s senior project gave rise to a family business dedicated to building scaled replica fighters “the right way.” ScaledBirds is a...
Hartzell’s Presence At Sun ‘n Fun Focuses On Backcountry Flying
Hartzell Propeller’s focus at its Sun ‘n Fun display is backcountry flying, including its carbon fiber Trailblazer and aluminum Voyager props. Hartzell tech experts,...
In Case You Missed It
The Home Machinist
How do you turn out non-cylindrical objects with your lathe? Why, by using a four-jaw chuck, of course. And there's a way to effectively employ that 'ole' adjustable wrench that might have escaped you for years; by Bob Fritz.
Legalities of Fly-Ins
Fly-in season is coming up, but lawsuit season is year-round. By Jerry Eichenberger.
The Unintimidated Builder
Builder Walter Treadwell has taken on projects that many of us would find daunting, and he keeps upping the ante. First came a Lancair 235, then a plansbuilt Jenny JN-4, followed by a P-38 and then his current project, a resized Sikorsky S-38. Some 4000 hours into the new project, Treadwell has a ways to go, but fortunately he has a mini AgCat to fly in the meantime; by Bob Fritz.