Tag: sun ‘n fun

Blocking and roughing. By Mark Lynn.

When you join two halves of a flat aviation engine together, they often weep between the starter and the alternator. Not only is this unsightly, its wasteful and makes completing an overhaul more cumbersome than need be. Enter Ly-Con, whose groovy O-ring process promises to stop leaks before they start.

There are plenty of choices to power Experimental aircraft.

Recently, there has been increasing interest in the efficiency of all vehicles, including airplanes. Designers are seeking to make airplanes that perform better and burn less fuel. Barnaby Wainfan takes a close look at the aerodynamics and mathematics behind this deceptively complex process.