John Christian
In Case You Missed It
Rapid Prototyping and Experimental Design
Sandwich panels, part 5-a simple, accurate method for molding flanged parts.
NPT and Aircraft Fittings–Don’t Get That Size Wrong!
National Pipe Thread is a U.S. standard for tapered threads, which we find on...
Dan’s World
Sometimes its surprising to see homebuilt aircraft kits languishing in garages or hangars or workshops. Especially the quickbuilds, which raises the question of whether there's something about buying a QB kit that leads to procrastination. Columnist Dan Checkoway ponders the question, looking to his own experience for an answer.