Aero ‘lectrics

Its important to understand the fundamentals before you can be conversant in electrical theory, so lets revisit Georg Simon Ohm and James Watt to see how their laws factor in to aircraft applications.

Cover Story: Seat Cover Conventions

Now that the foam is cut and glued, we’ll learn how to make the pattern, choose and cut the fabric, and sew the cover.

Cover Story: Building a Custom Cushion

Learn how to measure, cut and assemble the foam pieces that constitute the seat cushion.

Aero ‘lectrics

Its time to revisit the DIY wind tee project-but with improvements fueled by experience.

Cover Story: Designing Men

In this first installment of the upholstery series, the author looks at the basics: sewing machines, scissors, needles and thread, and more.

Aero ‘lectrics

What do you do if you need to monitor a number of audio signals, but you don't have room for an audio switching panel? Jim Weir finds the answer in a summing amplifier.

Aero ‘lectrics

Vibration is not good for engines, airframes or instruments. Jim Weir explains how to fashion vibration analysis equipment for less than retail cost.

Aero ‘lectrics

Jim Weirs lifetimes worth of tinkering has produced a definitive list of electronics parts suppliers, and hes willing to share.

Hose Protection

Ishmael Fuentes shows you how to protect and cool the hoses in your engine compartment by making a firesleeve.

Aero ‘lectrics

Heat and avionics don't get along all that well. Rather than installing a fan that runs all the time, Jim Weir suggests building and using a fan that runs only when you need it.

In Case You Missed it

Zenith CH 650 B

With the UL Power 350iS engine and other mods, the new CH 650 B has advanced Zenith Aircrafts product line. By Marc Cook.

Light Stuff

When you purchase a new light or ultralight aircraft, you should talk to the manufacturer or distributor about the flight training services they provide. By Roy Beisswenger.

Ask the DAR

DAR Mel Asberry answers questions about when you need A&P signoff, re-certifying an airplane to make it an LSA (hint: cant be done) and pre-registration of an Experimental.

Ask the DAR

Repairman certificate eligibility, who to list as the manufacturer, installing ADS-B equipment.