Don Pearsall

When conducting aerodynamic testing related to airflow over an object, how do you ensure that you've matched the conditions from one test to another, and why does it matter?

Roy Beisswenger reports on The Farm, and all that was new and exciting in the ultralight area at Oshkosh AirVenture 2011.

Extreme Simple Green - Aircraft is a new product designed to clean your aircraft safely without damaging finishes. Its effective in removing oil and other dirt from the exterior surfaces as well as the interior, and is used by Boeing on its family of airplanes. Its available at specialty stores and aviation supply houses.

An easy way to move heavy oxygen refill tanks.