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Jim Weir

Jim Weir
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Jim Weir is the chief avioniker at RST Engineering. He answers avionics questions in the Internet newsgroup www.pilotsofamerica.com–Maintenance. His technical advisor, Cyndi Weir, got her Masters degree in English and Journalism and keeps Jim on the straight and narrow. Check out their web site at www.rst-engr.com/kitplanes for previous articles and supplements.

Off the Grid (Chapter 2)

Here we go with what I promised you last month. This may be the simplest—and yet the most complex—discussion of what it means to...

A Grid-Free Hangar

This may well be the most ambitious project I’ve tackled in the last 35 years of writing my KITPLANES® columns. I’m going to unplug...

ADS-B, Eh?

In the December 2019 issue of Kitplanes®, Larry Anglisano took us on a scenic journey of what ADS-B is going to look like from...

Testing, Testing, Can You Hear Me Yet?

We’ve come a long way from the Narco Omnigator (vintage 1958 or so) to the latest glass gizmos that do everything except make the...

A Tale of Two Antennas

With the recent rush to ADS-B, there has been a significant interest in GPS installations and even more interest in the antenna for those GPS installations. The interest runs the gamut from the eBay $1.99 specials to the gold-plated TSO-STC-PMA antennas, some of which are in the popular aviation catalogs ticking the $1,000 mark. The […]
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We Shall Be Led Into the Light

In 1850, British physicist Joseph Swan began experimenting with paper coated with carbon in a glass tube that was partially evacuated from air. His paper glowed rather dimly, and the poor vacuum pumps of the day let enough oxygen into the glass tube to set the paper on fire when the electrified carbon got hot […]
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Tall Transmission Tales

(Antennas, Chapter 3)
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Antennas According to Jim (Ch. 2)

Aero 'lectrics.
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Antennas According to Jim (Ch. 1)

First, let’s talk about “polarization”; there are three polarizations. The first two are easy.

Aero ‘lectrics

Franklin vs. Edison, Thomson, Millikan, et al.

In Case You Missed it

Straight and Narrow

Wheel alignment 101.

Editor’s Log

Weight watchers.

Aero ‘lectrics

Anodize, anodize, and aluminum exercise.

Ask the DAR

We begin a short series that looks at the particulars of a homebuilt aircrafts operating limitations. Have you read yours?