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.
A HOG in Time Takes…Forever
As I told you a couple of months ago, “In theory, there is no difference between theory and practice. In practice there is a...
Potpourri
Potpourri (pronounced “poh’purree”), taken literally from the French origin, is translated “rotten pot.” In English, though, it means a collection of small things; in...
Progress Report: Bits and Pieces of HOG
OK, so we’ve got that 100-watt solar panel firmly bolted to the hangar roof. Let’s take the other pieces that we have to have...
HOG Prime Mover
Time to stop messing around. Time to fish or cut bait. Time to…oh, you know all the rest of that stuff. Me? I’m getting...
Here Come Hell’s Bells Again
We can use decibel calculations no matter if we are measuring in power or voltage; the calculations and outcome are identical.
Measuring Antennas
Freely admitted, my very early experience with antennas was confined to looking at a newspaper picture of Sputnik 1 (Prosteyshiy Sputnik-1) in October 1957...
Chattering Timers
Back in November 1999, I sadly consigned my old battery eating “buzz box,” a WW-II 1940s-era mechanical doorbell-ringer magneto timer, to that big buzz...
The Wind-up, the Pitch…
…and now let’s hit this PC board problem out of the park. Let’s make a useful part with the full PCB program.
Here’s the situation:...
Politically Correct Boards
That is what PC means, yes? No. It’s short for printed circuit. And the first attempts at making boards were actually made by spraying...
In Case You Missed It
The EAA HAC Grows
The EAA’s Homebuilt Aircraft Council (HAC) has expanded to better address this segment’s needs.
Unlimited Oil Cooling
Building a carbon fiber cooling duct for Czech Mate, the Unlimited class pylon racer.
Engine Update
UL Power engines have gained popularity in the homebuilt community in recent years. Marc Cook takes a closer look at the Belgian-made line and the people behind it.
Wind Tunnel
Fixed gear or retractable gear? Barnaby Wainfan examines the physics behind this longstanding design question.