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
Ask the DAR
DAR Mel Asberry clears up airspace restrictions for homebuilts during flight testing and discusses how the original builder of a homebuilt design remains the builder unless the airworthiness certificate is surrendered, which has implications for reselling an aircraft.
The Home Machinist
What do you do if you want to cut a longer-than-usual taper? Well, first you'll need to create a simple tool from some round stock that will provide target zones for your dial indicator, and then you may need to buy some more tools-what a shame! Home Machinist Bob Fritz takes you through the process. Hint: Choosing the right Morse Taper is critical.
Product Review: Garmin GI 275 EFIS
This full-featured, full-priced certified EFIS is impressive but might not be ideal for homebuilts.