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David Paule

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David Paule retired after 30 years of structural analysis and is now building an RV-3B to keep from getting bored. The structural engineering included a mix of aircraft and spacecraft. He has been a private pilot since age 18 and currently owns and flies a Cessna 180.

Close Flanges

What to do when you need to install a rivet, but an unrelated flange is in the way.

Vacuuming Connectors

Vacuum electrical connectors before installation to avoid difficult troubleshooting later.

Square Ends on Round Tubes

Make your cuts square on round tubes.

Magnet Clamps

Use magnets to clamp parts.

Worktable Suggestions

Tips for a smooth tabletop.

Marking to Make a Planar Cut on a Curved Shape

Laser torpedo level makes the task easier.

Clamp Stick

By David Paule

Stressing Structure

Beam column bending.

Stressing Structure

Crashworthy design overview.

Measuring Curved Surfaces

Use sewing tape.

In Case You Missed it

Oil Cooler 101

What the homebuilder should know about oil coolers.

Home Shop Machinist

Machines! Part 2.

Aero ‘lectrics

Columnist Jim Weir reminds us that its good to laugh at ourselves once in a while, and, to that end, he acts as an unofficial translator between pilots and the FAA, construing what they mean by what they say, and what they mean by what they don't say. He also details the latest contributions to Murphys Law from the world of aviation.

Emergency Locator Transmitters

Choosing a beacon to save your bacon.