Product Review: J.P. Instruments EDM-740

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JPI is offering a new compact, capable engine monitor that is built and priced for the homebuilt market. By Marc Cook.

Product Review: PS Engineering PMA5000EX

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At its heart, the PMA5000EX is a four-place stereo intercom in an audio panel that supports two each of coms, navs, switching aux inputs, music inputs plus having five unswitched aux inputs and a front-panel input for a music source or cell. By Marc Cook.

What’s in Your Hangar

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The FAAs Order 5190.6B has stirred ire in the hearts of many pilots, developers, aviation-related business owners and airpark residents who see further enforcement of land-use restrictions as unnecessary meddling by the feds.

Ask the DAR

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What are the lighting requirements for homebuilt aircraft that will fly at night, and do you need a wet compass if you have an EFIS in your panel?

The Dawn Patrol

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When Sharon Starks Airdrome Aeroplanes DH-2 replica fighter was ready for its airworthiness inspection, The Dawn Patrol was hoping for a perfect score.

Engine Beat

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When it became clear that some ECI Titan cylinders were having cylinder head failure problems, the FAA issued an AD identifying the impacted cylinder assemblies. Now what? By Steve Ells.

Around the Patch

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A visit to the CubCrafters factory in a rural area of Washington state can get a guy thinking about leaving big city life behind. By Marc Cook.

All About Avionics: Pitot-Static

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While there have been many attempts by homebuilders to make their pitot-static systems better than the rest, the tried and true methods remain sound. By Stein Bruch.

Brake Tech for Builders

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Marc Cook talks theory, practice, technology and maintenance with Matco Manufacturings George Happ and Grove Aircrafts Robbie Grove. Consider it a primer for all things brake-related.

To Launch a Light Sport

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After being hauled on a trailer down a winding mountain road, the Jabiru J250 unintentionally has its first short flight (at the airport). By Bob Fritz.

In Case You Missed It

Caught in the Act

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We’ve been working on the development story of the Van’s RV-15 for many months....

Effect of Propeller RPM on Speed, Efficiency, Noise, and Vibration

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Getting better performance from a constant-speed prop.

The Home Machinist

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Taking that first cut into the sheet metal of an aircraft panel can be daunting, and being as precise as youd like is even more so. Author Bob Fritz eases your anxiety about the process with some tips about how to use the right tool for the right job, so that the hole you get is the one you wanted.

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;