Certified vs. Experimental
Just as airplanes are legally grouped as certified or Experimental, engines follow the same scheme.
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....
Jets and Turboprops
Engine Buyer's Guide Index
Introduction
Flat Four-Stroke Gasoline
Inline and V Four-Stroke
Radial and Rotary
Rotary (Wankel)
Compression Ignition (Diesel & Jet A)
Volkswagen
...
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...
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
Engine Buyer's Guide Index
Introduction
Flat Four-Stroke Gasoline
Inline and V Four-Stroke
Radial and Rotary
Rotary (Wankel)
Compression Ignition (Diesel & Jet A)
Volkswagen
...
Compression Ignition (Diesel & Jet A)
Engine Buyer's Guide Index
Introduction
Flat Four-Stroke Gasoline
Inline and V Four-Stroke
Radial and Rotary
Rotary (Wankel)
Compression Ignition (Diesel & Jet A)
Volkswagen
...