In 1906, the first Ford straight-six was introduced in the Model K. The next was introduced in the 1941 Ford. Ford continued producing straight-six engines for use in its North American vehicles until 1996, when they were discontinued in…
The Northrop X-4 Bantam is a prototype small twinjet aircraft manufactured by Northrop Corporation in 1948. It had no horizontal tail surfaces, depending instead on combined elevator and aileron control surfaces (called elevons) for control…
The Douglas A-4 Skyhawk is a single-seat subsonic carrier-capable light attack aircraft designed and produced by the American aerospace manufacturer Douglas Aircraft Company, later built by McDonnell Douglas.