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C. John Graham


Error Chain

Primed for a problem-engine trouble at the flick of a switch.

In Case You Missed it

Improper Deburring

It is really important to remove the burrs that are created when drilling through...

Wind Tunnel

Stall flutter is the result of the elastic axis of a wings surface being aft of the aerodynamic center, resulting in instability. A vicious cycle of lift, twist, stall and lift may ensue.

What’s New

Loyds Rivet Drill Guide makes rivet removal easy.

The STOL Equation

Barnaby Wainfan explains the challenges designers face in creating viable STOL aircraft.