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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

Letters

Fenced Goods (Best Letter) Thank you, Dave Martin, for...

Time to Vent

When it comes to fuel-tank vents, there is a wide variety of choices. We look at the basic types and consider their relative merits. By Terry Edwards.

Editor’s Log

Mary Bernard explores the background of Jeff Ackland and his new Radial Rocket RG, this issues cover story.

Build Your Skills: Fabric

Fabric has been used to cover a wide variety of aircraft since the Wright brothers first started tinkering with flying machines. But fabric-covering processes have changed a lot in the last century, becoming more systematic in addition to being more reliable. Part 1 of this new series by Ron Alexander details the evolution of fabric covering and discusses some of the basics of getting started.