Bob Hadley
Bob Hadley is the R&D manager for a California-based consumer products company. He holds a Sport Pilot certificate and a Light-Sport Repairman certificate with inspection authorization for his Jabiru J250-SP.
Chasing the Elusive Thread
Chasing a thread (B) on the lathe involves engaging the feed system to make several passes using the 60-degree thread-form tool (A) until...
Machinery Mobilization
Rich Seifert next to his Shopsmith Mark V combo machine. Factory wheels make the Mark V easy to maneuver.
I've yet to meet someone...
In Case You Missed It
News from E-Mag, Levil, and Sensenich
E-Mag offers an electronic mag for the IO-540, Levil has a PC-based EFIS, and Sensenich introduces a composite ground-adjustable prop for the RV crowd. Edited by Mary Bernard.
Makes You Go Hmmm
Rotary-engine enthusiast Paul Lamar details the benefits and efficiencies of using rotary power for homebuilt aircraft.
What’s New
MGL Avionics offers new touchscreen iEFIS, SkyVision Xtreme introduces a fully portable ADS-B In/Out system, and Worx SD SemiAutomatic Driver debuts.