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In Case You Missed it

Weighty Matters

We’ve all been taught the five primary forces of flight—lift, thrust, gravity and drag....

Ask the DAR

What paperwork is necessary when a new owner makes an engine change? If floats are replaced with conventional gear, what does the change in gross weight mean for a plane's LSA status?

Rapid Prototyping and Experimental Design

3D-printed composite part molds. By Ken Krueger.

Dawn Patrol

When a casually tossed length of two-by-four and a pristine fabric-covered airplane meet, the result isn't pretty. Author Dick Starks describes his wifes initiation to the art of fabric repair.