Quickly Trimming a Glass Layup

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An easy way to prevent painful punctures to your fingers.

Aero ‘lectrics

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How do you condition a battery not in regular use to extend its lifetime? Run it down and then charge it back up. Jim Weir explains how to achieve this with about $10 worth of parts.

Aero ‘lectrics

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Jim Weir delves into the world of barrier strips, wire markers, resettable fuses, nylon connector usage, dyeing and inrush current limiters.

Unairworthy

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Missing operating limitations.

Swinging Your Compass

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Maintenance matters.

How Fast Is a Speed Nut?

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A “speed nut” is a somewhat generic term that is occasionally used for a one-piece spring steel fastener that we can use in our...

The Creative Homebuilder

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Make your own specialty wrenches.

500-hour Inspection vs. Overhaul

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About every 500 hours, your magnetos need to be inspected and repaired as needed (IRAN) to keep them performing well. Some of this work...
The Superior IO-360 engine stripped and ready for cylinder removal. Note that oil return lines are capped as are the intake tubes in the sump. Until the decision has been made to completely tear down the engine it is best to protect everything as you go.

Maintenance Matters: Engine Overhaul Part I

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Evaluation and Removal.

Sphere Turning

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Sphere turning.

In Case You Missed it

Editor’s Log

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The FAA’s concerns about the issuance of Special Airworthiness Certificates for some factory-built Light Sport Aircraft may result in changes to ELSA as well. By Editor-in-Chief Mary Bernard.

What’s New

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Sportys offers cockpit accessories, Patterson Aerosales introduces a new engine from Italy, and the single-place Onex prototype from Sonex flies. Edited by Mary Bernard.

Light Stuff

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Dave Martin introduces us to the Gobosh factory-built Light Sport Aircraft (SLSA) from Poland. Positioned at the luxury end of the LSA spectrum, there are two models: the all-metal G700S and the composite G800 XP, each of which includes standard six-pack instrumentation and leather seats.

Rapid Prototyping and Experimental Design

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CNC mold blank fabrication, part 2.