Shop Talk

Jim Weir describes how he built the airframe structure of his new-and-improved wind tee.

Why we need regulated voltage in our aircraft and how zener diodes, resistors, transistors and semiconductors help us get there.

Now that you've fabricated your seat upholstery, its time to tackle the rest of the interior with a look at carpeting and door panels.

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.

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.

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

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

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

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.

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