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David Paule

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

Straight Floats to Amphibs

Fed up with the restrictions of being able to land on water only, builder Mervin Zinck came up with a design to add retractable gear to his floats. By Don Ledger.

Biplane Cross-Country

Tennessee to Connecticut in a Starduster SA-100.

Design Process: The Rudder

The fixed portion of the vertical tail of an airplane provides directional stability. The...

Flight Testing

Organize your test program beforehand, and you not only maximize your use of time, but also understand your airplane far better than someone who is just running the hours off the clock.