How do you turn out non-cylindrical objects with your lathe? Why, by using a four-jaw chuck, of course. And there's a way to effectively employ that 'ole' adjustable wrench that might have escaped you for years; by Bob Fritz.
Weighing just 11 pounds for a hub and three blades, the new carbon-fiber prop from Whirl Wind Propellers improves the performance in both climb and cruise on a RANS S-7.