Certified vs. Experimental
Just as airplanes are legally grouped as certified or Experimental, engines follow the same scheme.
Compression Ignition (Diesel & Jet A)
Continental
Thanks to their complex and high-pressure nature, diesel (Jet A-burning) piston engines are premium devices full of expensive parts, and their penetration into the...
Rotary (Wankel)
American Rotary Engine /Auto PSRU’s
We’re combining these two very separate companies under one heading because they join to offer a Mazda 13B rotary engine...
Stroke! Stroke!
Over time, two-stroke engines in aviation have been supplanted by four-stroke units, trading low weight for a perception of greater reliability.
Radial and Rotary (Traditional)
Classic Aero Machining
For those seeking an authentic, full-gyroscopic rotary experience, New Zealand-based Classic Aero Machining has developed brand-new seven- and nine-cylinder Gnome Monosoupape engines....
Inline and V Four-Stroke
AeroMomentum
We hope AeroMomentum doesn’t mind us characterizing them as a boutique engine maker, but they are a compact company centered on delivering modern, water-cooled,...
Flat Four-Stroke Gasoline
2022 Engine Buyer's Guide Index Introduction
Flat Four-Stroke Gasoline
Inline and V Four-Stroke
Radial and Rotary (Traditional)
Rotary (Wankel)
Compression Ignition (Diesel & Jet...
Inline and V Four-Stroke
2022 Engine Buyer's Guide Index Introduction
Flat Four-Stroke Gasoline
Inline and V Four-Stroke
Radial and Rotary (Traditional)
Rotary (Wankel)
Compression Ignition (Diesel & Jet...
Radial and Rotary
2022 Engine Buyer's Guide Index Introduction
Flat Four-Stroke Gasoline
Inline and V Four-Stroke
Radial and Rotary (Traditional)
Rotary (Wankel)
Compression Ignition (Diesel & Jet...
Rotary (Wankel)
2022 Engine Buyer's Guide Index Introduction
Flat Four-Stroke Gasoline
Inline and V Four-Stroke
Radial and Rotary (Traditional)
Rotary (Wankel)
Compression Ignition (Diesel & Jet...
In Case You Missed it
Lightning Strikes Again
Its been four years since we reviewed the Arion Lightning, and things have changed-for the better. Marc Cook had a chance to fly the old and the new, and he details the differences.
Engine Beat
There's a lot to know about aircraft oil: what to use, when to use it, when to change it. Steve Ells sheds some light on this essential fluid.
Wind Tunnel
Yaw rarely occurs without rolling, and roll rarely occurs without yawing. This month Barnaby Wainfan discusses coupled motion, including adverse yaw, the spiral mode and Dutch roll.
Ask the DAR
Can a former Part 103 aircraft be registered as an LSA? And how is an appropriate Phase I flight-test area determined?