Letters

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Sawtooth MythIn his article All About Avionics: EFIS Dreams Stein Bruch complains about the sawtooth altitude display on MGLs color EFIS. What he fails...

3 Years, 1 Minute, and 40 Seconds

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A Mazda-powered Harmon Rocket stomps the time-to-climb record.

Lithium vs. Lead-Acid

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Lithium vs. Lead-Acid—the bench tests.

Ask the DAR

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Ready to perform aerobatics with your new homebuilt? Not so fast! The operating limitations dictate what's required first.

Ask the DAR

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This month, a new column introduces Designated Airworthiness Representative Mel Asberry, who describes his background in homebuilding and details some of what hes looking for as a DAR. Questions welcome.

In Case You Missed It

ATS E50A Magneto Synchronizer

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Aircraft Tool Supply made some seemingly small but useful updates to this magneto synchronizer. 

Tube-Notching Made Easy

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Tubemiter software creates perfect templates for fishmouths. By Jeff Point.

Alternative Energies

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Electric vehicles and aircraft may be the future, but how will we create the energy to power them while minimizing environmental damage? By Dean Sigler.

Diary of a Panel Upgrade, Part 2

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Finding the finish line in this Garmin G3X Touch upgrade.