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Dave Prizio

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Dave Prizio has been plying the skies of the L.A. basin and beyond since 1973. Born into a family of builders, it was only natural that he would make his living as a contractor and spend his leisure time building airplanes. He has so far completed four—two GlaStars, a Glasair Sportsman, and a Texas Sport Cub—and is helping a friend build an RV-8. When he isn’t building something, he shares his love of aviation with others by flying Young Eagles or volunteering as an EAA Technical Counselor. He is also an A&P mechanic, Designated Airworthiness Representative (DAR), and was a member of the EAA Homebuilt Aircraft Council for six years.

Smooth Out Your Ride

Dynamic propeller balancing can smooth out your ride and reduce wear and tear on engine parts.

Lessons From A Repeat Offender

What I learned from building four airplanes.

500-hour Inspection vs. Overhaul

About every 500 hours, your magnetos need to be inspected and repaired as needed (IRAN) to keep them performing well. Some of this work...

Installing and Maintaining Your Pitot-Static System

The pitot-static system is usually one of those items appearing on your to-do list when you are at the point of being 90% done...

Navigating the New FAA Airworthiness Certificate Application Program

You’ll need access to a computer and scanner to complete this online airworthiness process.

Clean Oil Makes for a Happy Engine

You can do two things that will extend your engine’s life more than any others: Fly your airplane regularly and change your oil as...

Buying Used: RANS S-7 Courier

The Sport Pilot’s Super Cub.

Grease Is the Word

Consistently use the correct lubricant for your airplane’s various parts, and you will go a long way toward preventing problems.

Nuts and Bolts

Aircraft quality nuts, bolts, washers and other hardware are the right things to use if they hold the things together that keep you in the air.

Fuel Pump Replacement

I was climbing out from my home base airport in Chino, California. I noticed that the fuel pressure was quite a bit less than...

In Case You Missed it

Organizing Rivets

We all have the same problem: Organization eludes us. It can be a nightmare...

Stressing Structure

Local crippling.

Ask the DAR

Heeding manufacturer overhaul times, about the repairman certificate.

Home Shop Machinist

Welding table.