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In Case You Missed it

Wind Tunnel

Yaw rarely occurs without rolling, and roll rarely occurs without yawing. This month Barnaby Wainfan discusses coupled motion, including adverse yaw, the spiral mode and Dutch roll.

Rag Wing Roots

These days, I seem to be associated mostly with metal airplanes, RVs in particular....

Adjustable Jig Posts

An easy way to keep a wood jig in alignment.

Polish Makes Perfect

How to polish your plane.