Home Engine Buyer's Guide

Engine Buyer's Guide

2021 Engine Buyer’s Guide

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Power up with our yearly powerplant directory.

2020 Engine Buyer’s Guide

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Get your aero motivation here!

In Case You Missed It

Rear Cockpit

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Droning like bagpipes.

Ask the DAR

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Deregistration, operating limitations, amateur status, and finding a DAR.

Alternative Energies

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A new electric ultralight motorglider expands the boundaries of its category—and its plans can be downloaded free. By Dean Sigler.

Rapid Prototyping and Experimental Design

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Sandwich panels, part 4-a simple, accurate method for molding flanged parts.