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Shadow-DD

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In Case You Missed it

Ask the DAR

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Are computer software programs sufficient documentation of a build, and what do you do when a DARs request seems unreasonable?

The Dawn Patrol

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I love a parade.

Home Shop Machinist

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Perlage (or pearling)-the art of decorative spotting.

Tweaking an Engine/Airframe For Efficiency

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When an aircraft engine is tightly cowled without cowl flaps, running hot can be a problem. But there are solutions, as author Amy Laboda found out after much research and experimentation.