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
Aero ‘lectrics
Columnist Jim Weir has completed his solar-powered battery charger, and it works! It may not be the fastest charger, but it is certainly up to the task of keeping a battery topped off, even in winter.
Releasable Piano Hinge Pin Retainer
There are lots of creative ways that builders have devised for retaining piano hinge...
