Shop Talk

From outlet convertors to button switches and parts to make your own temperature sensor, Jim Weir gives an overview of his favorite electronics sources and what’s available to make the heart of your inner geek beat a little faster.

The FAA provides a wealth of user-friendly information on its web site. Jim Weir takes us on a tour of the highlights.

Jim Weir shows you how to build your own GPS “turnstile” antenna.

Jim Weir takes us on a tour of the FCC's aviation frequency range.

Break out your laptops, iPhones and iPads. There is a new batch of apps and other software that can help pilots chart their course when traveling cross-country.

There are many ways to check the accuracy of your airplanes tachometer. From the commonplace to the offbeat, Jim Weir explains their benefits and drawbacks.

Many factors go into designing and building good engine mounts, including consideration of the engines thrust line and gyroscopic precession effects. They deserve our respect.

Documenting the changes you make to your airplanes electrical system is tedious work-but vital. Jim Weir takes a look at the software available to help you keep track of upgrades and mods.

Jim Weir takes a look at low-cost and free CAD software available to help you document modifications you've made to your aircraft.

Jim Weir takes a look at the performance of a DIY ground-plane antenna versus a factory-built rubber duckie on a handheld GPS receiver.