Wind Tunnel

The author explains how the characteristics of an airplane affect pilot ability to complete tasks, response factors, stability and damping of the airframe to changes in angle of attack, basic stability, trim, control forces, and control power. He also addresses the controversy behind the design of airplanes, their characteristics and the resultant suitability for various types of flying;

Wind Tunnel

The author discusses the theory and effect of constant-speed propellers on piston-engine airplane performance, and compares fixed-pitch versus constant-speed props, effect on thrust HP and propulsion, the comprises involved in choosing a prop, how props perform in various conditions and phases of flight, how variable-pitch props work, and why a constant-speed prop is the best choice for high-performance aircraft.

In Case You Missed it

Dimple die polished

Home Shop Machinist: Power Polishing Promise

Back in the February 2019 issue of KITPLANES®, I promised a column about polishing...

What’s New

In this months What's New, ECi announces a new extended warranty on its Titan cylinders, and Vesta, Inc. offers a new Experimental aircraft engine conversion based on a V-6 Honda auto engine; edited by Mary Bernard.

Homebuilt Accidents-When the Prop Stops

Too many accidents start with a stoppage.

Making Tapered Ribs

Restoring the damaged wings of the only Dalotel DM165. By Ray Ordorica.