Certified vs. Experimental

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Just as airplanes are legally grouped as certified or Experimental, engines follow the same scheme.

Corvair

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2022 Engine Buyer's Guide

Radial and Rotary (Traditional)

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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

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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 ...

Radial and Rotary

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2022 Engines Buyer’s Guide

Rotary (Wankel)

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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...

Flat Four-Stroke Gasoline

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2022 Engines Buyer’s Guide

Inline and V Four-Stroke

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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

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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)

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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 ...

In Case You Missed It

Cool and Cooler

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Comparing AERO-Classics Remote Mount and High Efficiency oil coolers. Tom Wilson.

Around the Patch

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Editor-in-Chief Marc Cook takes a moment to put lifes challenges in perspective as Senior Editor Bob Fritz enters the fight of his life with his characteristic positive attitude.

Roll Your Own

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Builders Ken Scott and Ken Kruegers unique project is off the drawing board and into production. They're working with the engine builder, the wing is behind them, the nosebowl is taking shape-and the fuselage is taking over the living room;

Affordable Borescope

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Longtime airplane builder Ed Zaleski manipulates the borescope to get the proper image...