In Case You Missed it
Shop Talk: V-Block Drill Jig from Scrap
Having problems drilling a precise hole in a tube? Ishmael Fuentes has the perfect-and inexpensive-solution with this nifty, easy-to-make V-block drill jig.
Wind Tunnel
This month Barnaby Wainfan turns his attention to the control system and how various aspects such as linkages, the elevator planform and tail aspect ratio, and trailing-edge treatments affect pitch control.
