Jim Weir
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
Columnist Jim Weir comes up with what he thinks is the optimal design for getting power from the 12-volt aircraft battery to the LED without wasting any.
Aero ‘lectrics
Columnist Jim Weir puts two, two, two LED lights in one hole, angled to ensure the maximum nav light visibility in any direction. He explains how to put the system together and explains why heat matters.
Aero ‘lectrics
Using LEDs for lighting an aircraft has much to commend it. Low draw, reasonable cost, long life, good visibility. This month, Jim Weir takes us through the beginning steps of building these lighting systems yourself, using off-the-shelf parts and a little ingenuity.
Aero ‘lectrics
If you've ever wondered who invented the ubiquitous light-emitting diode, wonder no more. Columnist Jim Weir explains the origin and evolution of LEDs, and how to wire them up for use in your aircraft.
Aero ‘lectrics
Jim Weir continues the project he started last month as he attempts to bring a little intermittence to a homemade tone generator so that it will go beep, beep instead of one long beeeeeeeeep when alerting you to an out-of-norm condition.
Aero ‘lectrics
Columnist Jim Weir sounds off on an all-purpose beeper that will work for most anything you want to call attention to in the cockpit.
Aero ‘lectrics
Columnist Jim Weir has completed his solar-powered battery charger, and it works! It may not be the fastest charger, but it is certainly up to the task of keeping a battery topped off, even in winter.
Aero ‘lectrics
Columnist Jim Weir offers his annual awards for the best products or services seen at Oshkosh/AirVenture 2007.
Aero ‘lectrics
In an ongoing attempt to update his shop and make it more energy efficient, Jim Weir puts together a winning compressor-generator combo to run the lights and whatever else needs juice.
Aero ‘lectrics
Author Jim Weir explains his preparation for the installation of an energy-efficient power system for a hangar or building shed-all on a shoestring budget. He explains how to choose equipment, calculate power needs, the right light fixtures, power generation, equipment suppliers and prices, and the basic legality of such systems;
In Case You Missed It
The Home Machinist
This months feature offers a three-in-one discussion that includes how to use the steady rest to work with any material that extends beyond the chuck, a review of Googles SketchUp program that will allow you to get designing on your home computer quickly, and notes on how to make an indispensable tool for the home machinist; by Bob Fritz.