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Another way to modify a Nippondenso alternator for use with an external voltage regulator.

Having worked with a variety of products from various manufacturers, author Stein Bruch has a lot of wisdom on the ins and outs of electronic flight instrument systems (EFISes) for homebuilts. He dispenses those smarts here, and offers tips on what to consider when making this important avionics decision, including such items as compatibility, reliability, value and ease of installation.

Cooling within the engine compartment—oil and accessories.

New light turboprop engines are coming to Experimental/Amateur-Built aviation.