Leroy Sabbatini's home-builf, six-pound tether car recently set a new mark of 197 mph for the 10cc class-powered by a 2,!L-hp size 60 motor. The relatively obscure sport of tether car racing has ...

Tethercars are kind of a cross between a nitro RC car and a control line airplane, in case you’re not familiar. (Not many people are, after all.) They’re specialized high-speed model cars with a small ...

Small-scale, 10cc gas-powered racers can top 200 mph at the end of a tether. The broom can be flipped down to flip a tiny stick on the car to shut it off. Not all the tech is high. Mark Vaughn grew up ...