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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

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

Vacuuming Connectors

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Vacuum electrical connectors before installation to avoid difficult troubleshooting later.

Square Ends on Round Tubes

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Make your cuts square on round tubes.

Magnet Clamps

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Use magnets to clamp parts.

Worktable Suggestions

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Tips for a smooth tabletop.

Marking to Make a Planar Cut on a Curved Shape

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Laser torpedo level makes the task easier.

Clamp Stick

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By David Paule

Stressing Structure

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Beam column bending.

Stressing Structure

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Crashworthy design overview.

Measuring Curved Surfaces

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Use sewing tape.

In Case You Missed it

Buying a Used Homebuilt: Pre-Buy Inspection

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The pre-buy inspection-what is it and why do you need one?

Around the Patch

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The FAAs John Hickey and Frank Paskiewicz got an earful at the AirVenture forum assembled to illuminate proposed changes to the 51% rule. Although some of the comments ran far afield, many more homebuilders posed thoughtful and challenging questions in an effort to help them understand where they stand with regard to the new regulations; by Marc Cook.

The Independence Project: Avionics

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It’s time to install the shiny, expensive boxes in the RV-12. Yes, the avionics package goes in… and it’s not as difficult as it used to be. By Dave Martin.

Alternative Energies

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Dean Sigler checks in on the Green Flight Challengers of 2011 who didn’t make it to the competition to see what they’re up to now.