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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.

Aero ‘lectrics

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Jim Weir delves into the world of barrier strips, wire markers, resettable fuses, nylon connector usage, dyeing and inrush current limiters.

Aero ‘lectrics

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Jim Weir shows you how to create and install LED lights and run them from ships power inexpensively and easily.

Aero ‘lectrics

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Jim Weir continues his series on digital logic (CMOS), and makes the little logic circuits do things that their inventors never considered.

Aero ‘lectrics

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So far in Jim Weirs investigation of digital logic, hes explored small scale integration. This time, its time to ramp it up a bit and use some medium scale integration devices that will remember your settings.

Aero ‘lectrics

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The subject this month is Schmitt triggers and digital gates, which can be employed for a variety of purposes in homebuilt aircraft including use with switches and sensors or panel lighting.

Aero ‘lectrics

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If you need a horn to sound when the airspeed drops below a certain level or when the power is cut and the landing gear is still up and locked, an electronic circuitry solution is the lightest, most reliable and most cost-effective way to go.

Aero ‘lectrics

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This month, we look at how an airspeed indicator works and rig up a simple calibration tool for it;

Aero ‘lectrics

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This month we get into actually building the portable antenna that was described last month;

Aero ‘lectrics

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In this first of a two-part series, Jim Weir builds a low-cost, high-efficiency portable ground-based antenna system that he used to great effect in the recent CAFE 400 (fuel efficiency) race in Northern California. You can do it, too.

Aero ‘lectrics

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Impressed by the quality of the cheap headsets he encountered on a recent commercial airliner flight, Jim Weir dissected the airline unit and has come up with a way to replicate it in your own shop.

In Case You Missed It

Light Stuff

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Roy Beisswenger discusses the impact of the FAAs LODA order allowing Light Sport instructors to resume training with their Experimental aircraft.

Rear Cockpit

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Through new eyes.

Shenanigans

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”Experimental Two Sierra X-Ray,  Oshkosh Tower, you are clear for touch-and-goes on any runway....

Measuring Antennas

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Freely admitted, my very early experience with antennas was confined to looking at a...