The Cyclone Cost to Develop: $2 million Time: 8 yearsPrototype | | | | | Product As long as the internal combustion engine has been around, garage tinkerers have been trying—in vain—to best it. But Florida boat engineer Harry Schoell, a lifelong inventor with a portfolio of patents, thinks hes got the answer, in the form of a reinvented steam engine.
How about giving us a better idea of the power output--the 20 lb. propane canister size unit apparently develops enough horsepower for a lawnmower--oh, wait, it doesn't really say that. But, the question is, how big a unit (approximately) would be needed for a car (and what kind of car?)? Randy Kramer
Stay up to date on the latest news of the future of science and technology from your iPhone with full articles, images and offline viewing
Featuring every article from the magazine and website, plus links from around the Web. Also see our PopSci DIY feed
Share links with friends, comment on stories and more
In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.
Check out the best of what's new here.