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
Homebuilt Aircraft Safety 1998-2008
Far be it from Ron Wanttajas experience to be complacent when it comes to aircraft accident statistics. In this article, he updates two previous articles on the subject of homebuilt aircraft safety and digs deep to find meaning and context for the numbers.
RANS S-7S Courier
Marc Cook pilots the new RANS S-7S and finds many improvements, from increased fuel and storage capacity to a simplified aileron-control system that makes handling better than ever.
Ask the DAR
Phase I testing not completed, understanding operating limitations, non-TSOd position lights.
Buzzwords
Ground effect, or changes in airflow when flying a wingspan distance above the ground, affects longitudinal stability, elevator effectiveness and possibly even your airspeed indicator. By Ed Kolano.