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Bob Hartunian

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Static Prop Balancer

I fly my Pulsar with a 60-inch GSC ground-adjustable wood prop because it smoothes out engine pulses from the Rotax 912, and it allows...

In Case You Missed it

Build Your Skills: Composites (Part 9)

Dont let pesky pinholes ruin your homebuilt project. There is a way to deal with them, and author Bob Fritz describes how. Hint: To start with, cleanliness is always a good thing in the shop.

Becoming a Designated Airworthiness Representative (DAR)

The long road to issuing airworthiness certificates.

Leaky Primer Line

Primer lines need to be silver soldered into their fittings. Using RTV to fix...

Free Flight

When testing a new avionics component in your homebuilt, you must be prepared to deal with any consequences that may develop.