From: utzoo!decvax!harpo!ihps3!houxi!houxm!zeus Newsgroups: net.misc,net.physics Title: re: mousetrap powered car Article-I.D.: houxm.240 Posted: Mon Oct 25 12:04:39 1982 Received: Wed Oct 27 02:23:55 1982 use the spring action of the trap to activate a flywheel. engage the fly wheel with a fanbelt (rubber band) to the wheels. I think you want to be careful to keep a low acceleration so you dont spin the wheels. the slow car will go the most distance