Jonathan & Julia Apfelbaum
Jonathan Apfelbaum learned to fly before he could drive and has his PPL as well as seaplane, glider and instrument ratings. When not at his day job as
an emergency physician, he
can be found tinkering on his homebuilt GlaStar. Julia Apfelbaum is a U.S. Navy veteran with a career working on electronics on E/A-6B Prowlers and E/A-18G Growlers. She’s a private pilot and will finish her A&P in 2021. When not flying her 1955 Cessna 180, Julia is restoring a 1947 SV-4C Stampe. She is the lead photographer of Distant Thunder Aviation.
Blast From the Past
Chris Hill’s Dr.I replica is as close as you can get to an actual 1917 Fokker Dreidecker.
Prop Job
How often do you wander the flight line and see a classic aircraft with a propeller that just makes you stop and go “Wow!”...
In Case You Missed It
Letters
Shopmaster Shop TalkDear Bob Fritz: I have the opportunity to purchase a Shopmaster Lathe/Mill...
Portable Coms Compared
Which portable VHF transceiver comes out on top after a side-by-side test in the field?
Aero ‘lectrics
An increasing number of pilots are turning to iPad and Android apps for use in the cockpit. Jim Weir takes an in-depth look at one of the more popular ones: ForeFlight.
Wind Tunnel
The author discusses the theory and effect of constant-speed propellers on piston-engine airplane performance, and compares fixed-pitch versus constant-speed props, effect on thrust HP and propulsion, the comprises involved in choosing a prop, how props perform in various conditions and phases of flight, how variable-pitch props work, and why a constant-speed prop is the best choice for high-performance aircraft.