It’s pretty hard to deny that split-flap displays are incredibly awesome. This one has been a long time coming, and it’s not a refab or surplus build. [Tom] fabricated these beautiful alpha ...

Here’s a design for a split-flap clock that doesn’t do it the usual way. Instead of the flaps showing numbers , Klapklok has a bit more in common with flip-dot displays. Klapklok updates every ...

Between the 1930s and the ’50s, the so-called split flap was popular with airplane designers. DC-3s had split flaps, as did Cessna 310s. The aft 20 percent or so of the lower surface of the wing ...