Wind Tunnel

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Wing root junctions.

Wind Tunnel

0
Trim tabs.

Prop Gyro

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A rotating propeller acts as a gyroscope.

Bolted Joints

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Bolted joints are pretty simple. Drill some holes, drop a bolt into them, add a washer and a nut, and torque to the...

Fixed Pitch vs. Constant Speed

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Deciding to use a fixed-pitch propeller or step up to the higher weight, cost, and complexity of a constant-speed prop in order to improve performance.

Fixed-pitch Props

1
A major advantage of a fixed-pitch prop is that it is lighter, simpler and cheaper than one with variable pitch.

A Bit About Blades

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Like a wing, a propeller blade is characterized by its area, planform, and airfoil cross section.

Blade Inflow Angle

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As the propeller moves through the air, each point on the blade follows a helical path.

Stressing Structure

0
Torque tubes and the shear modulus.

Prop Blade Mach

0
Prop blade Mach.

In Case You Missed It

Murphy Resurgent

3
Darryl Murphy’s airplane company has a new owner and a new push for backcountry relevance.

Aero lectrics

0
Hall of fame. By Jim Weir.

The Dawn Patrol

0
Threatening weather at the annual Gathering of Eagles event in Gardner, Kansas, failed to subdue the antics of The Dawn Patrol, for better or worse.

2019 Engine Buyer’s Guide

7
In search of the good stuff.