send out a radio wave and time how long it takes to get back via an echo. However, in practice, there are a number of trade-offs to consider. For example, producing a long pulse has more energy ...

He’s flown quite a few modified R/C planes and has an electronic Engine Control Unit for his jets. One of his most impressive projects is the 100 pound thrust pulse jet that was later attached ...

He once built the world’s largest pulse-jet engine and mounted it in a 1965 Jaguar. Star Wars audio engineers recorded his pulse-jet engines for the movie Solo. You may have seen Maddox ...