Maintenance Matters: Compression Testing

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Checking a cylinder’s health.

Quick Mount for a Handheld

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Home shop machinist

Shop Tips: Undrilling a Hole in Steel

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A brass block makes it easy.

Tech Tip

7
Forming a Composite Blister.

Home Shop Machinist

1
Using tools to make tools. Bob Hadley.

DIY Bond Studs

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Cost-effective ways to restrain wiring and small equipment.

Aero ‘lectrics

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If you want to keep your paint and other supplies from freezing next winter, try this relay and heater (made to work in conjunction with last month’s temperature sensor project).

Aero ‘lectrics

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Next winter, keep your aviation supplies from freezing with this DIY temperature sensor.

Aero ‘lectrics

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Repairing a malfunctioning headset may be not only inexpensive, but completely doable.

Aero ‘lectrics

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Make the scene at your next airshow with a homemade aircraft band antenna, state and national flags, and an aircraft data sheet that gives spectators the vital statistics on your aircraft.

In Case You Missed It

This Fly Baby is the Katz’ Meow!

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In the early 1960s, a young Jim Katz was absorbing page after page in...

Building the 750SD XTREME: Part 9

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Change of seasons & modifications.

Building Trust—Reliability vs. Redundancy

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It is hard to fly without a little trust. Call it faith if you...

Ask the DAR

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Mel Asberry clarifies the requirements for a builders log. The bottom line? The requirements are minimal: It should show that you actually built the aircraft, but its helpful to show as much detail as you can. And make sure you're in the photos, doing the work.