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Michael Ryer and John Wells

Michael Ryer and John Wells
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Changing a Perfectly Good Airplane

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Designing and building a modified RANS S-9, part 2. By Michael Ryer and John Wells.

Changing a Perfectly Good Airplane

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Designing and building a modified RANS S-9, part 1.

In Case You Missed It

The alternative to bending down as the propeller is pulled through the compression stroke is to keep the back straight and bend the knees slightly, stepping away in a crouch. [Credit: LeRoy Cook]

Manual Starting Methods

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Practical techniques for hand-propping and other manual engine starts when an electric starter isn't available.

What’s In a Name?

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Out of the blue.

Deformed Gascolator O-Ring

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Some gascolators have internal O-rings that should be checked for deformation regularly. This was...

Design Process: Braced Wings

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As we saw last month, the designer has two fundamental choices of wing structural...