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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.

The founders of the Solar Impulse Project build on their successes with a planned around-the-world flight and a stopover at the Paris Air Show. By Amy Laboda.

In my “New Sojourn” column in the July 2022 issue, I told you I...

It’s beginning to look like a helicopter.