Builder Spotlight

Electronic ignitions can offer benefits over the standard magnetos, including lower maintenance and better fuel economy.

Here are the tools you'll need during your engine installation, plus suggestions for keeping them organized.

Barrett Precision Engines has taken the nine-cylinder Vedeneyev M14P radial engine to a whole other level with a fuel-injection upgrade and new ignition system. By Marc Cook.

Don’t believe everything you hear when making an important building or maintenance decision—do your homework.

DAR Mel Asberry talks about doing the airworthiness inspection on the Van’s RV-1.

Weighing just 11 pounds for a hub and three blades, the new carbon-fiber prop from Whirl Wind Propellers improves the performance in both climb and cruise on a RANS S-7.

Wood or composite? Constant speed or fixed pitch? The choice of propeller should be made just as carefully as the choice of an engine. Dave Prizio outlines some of the important factors to consider.

If you want to install an alternative engine in your aircraft, make sure you've thought through the issues of weight, thrust line, cooling and cowling.

How can you give yourself that margin of safety that you hope you'll never need?

Most homebuilt aircraft use control cables, so it's helpful to understand how to select, install and maintain them.