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In Case You Missed It

Making Sandable Foam Glue/Filler

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An epoxy alternative thats easier to work with for low-stress, structural applications.

AeroConversions AeroVee Turns 20

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The peoples’ engine still fills a niche.

Aero ‘lectrics

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Jim Weir presses the venerable LM317 variable voltage regulator (plus a few other parts) into service as a way to juice up a discharged battery.

Practical Electrical

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Battery facts and fables—Lithium considerations. By Robert L. Nuckolls, III.