The HZ-1 Aerocycle, also called the DH-4 Heli-Vector, was an American one-man “personal helicopter” developed by de Lackner Helicopters in the mid-1950s. Intended to be operated...
This board, screwed to the bench, should help square-up tail surfaces during assembly. Use a square to draw a vertical line up from the bench, and...
Here’s another tip for using files! Before filing soft metals like aluminum and brass, rub chalk over the file. The chalk will prevent the soft metal...
The U.S. Defense Advanced Research Projects Agency (DARPA) in Arlington, Va., has announced a $12.4 million order to Aurora to move to phase-one of the “Control...
Continuing our building project for the Phoenix Model Sonic Mk II low-wing sport flier, we get back to the basics. In our “Build it Right” article...
Celebrating its 10th anniversary, the Long Island Skyhawks’ (LISH) Dawn Patrol was a big success. Except for some troublesome crosswinds, the 2021 WW I event enjoyed...
Hypersonic weapons have been in the news lately, and the U.S. military has a venerable history researching and testing hypersonic missile technology. Notably, the Space Shuttle...
Built with traditional stick-and-tissue construction techniques, my Grumman G-164 Ag Cat is a purpose-built crop-duster that’s easy to build and fly. Built primarily of balsa and...
Spoilers should be sealed against air leakage. Use clear cellophane tape and apply as shown. Leave a 3/16-inch overhang, and carefully remove the adhesive with paint...
After removing the hold-down clips, you might find that a landingear leg is stuck in the mounting block, and it’s difficult to pull straight out without...
Due to the proliferation of small, reliable, and relatively affordable small turbine engines, more and more manufacturers are producing sport jets to fill this burgeoning market....
Aviation Week recently reported on a few interesting new Russian aircraft designs that were revealed at the MAKS 2021 air show. Among these was the metallic...