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.
Diodes, the Universal Component?
Diodes started off life fairly simply. Take an AC signal and convert it to a DC signal. Simple, huh?
Diodes, Backward and Forward
Let’s talk about what makes a diode—what the physical makeup of a diode really looks like on the inside.
Franklin vs. Edison et al. and Marconi
A word we use rather flippantly when perusing electronic circuitry—ground.
Ernie’s Room and Board
Way back in March ’23 (deep in snow here), I gave you the problem of Ernie, who needed a flashing light to see when...
Complex Impedance
A loyal reader writes, “I have a homebuilt Bugsmasher with a couple of com radios. They are a FlashBoom 32X and a LoudenWhapper 22A....
Memories
It was 1985 when this 42-year-old kid wrote an article for an upstart magazine aimed at the homebuilt aircraft market. Appearing in the October...
The 13 Command(ment)s
For most people, 10 are enough. Laying out a PC board, you’ve got a few more.
Remember, now, I’m trying to show you the basics...
More PCB Fun
OK, this one is the witch of the bunch. You’ve had two months to download and read all the instructions for Circuitmaker/Traxmaker, and I’m...
In Case You Missed It
Vroom!
Months of repair work netted Bill Repucci a new, more powerful engine for his RV-9. The increase in horsepower brings with it a shift in CG and handling characteristics.
Ask the DAR
Condition inspections, N-number problems, removing an electrical system and transponder.
Inside KITPLANES: How We Do Aerial Photography
Marc Cook explains the nuts-and-bolts of how we achieve the aerial photography that appears in the magazine, and offers a few pointers on how to capture your own plane in flight.
