Ricardo Claims 2-Stroke/4-Stroke Breakthrough
As much as I like the idea of a hydrogen fuel-cell/nuke-plant-powered future, there's a lot of miles left in ye olde internal combustion mill. For instance, if you replaced mechanically-motivated valves with electronically operated ones, you'd increase both power and mileage. And if you could somehow get the power of a two-stroke engine without constantly burning oil and piston rings or needing a carburetor, why you'd be popping wheelies like a Yamaha RZ 350! Ricardo says yes we can. Their "2/4SIGHT" is a single bank from a V6 set-up to run as two-stroke/four-stroke. Allegedly, it seamlessly switches between two- and four-stroke cycles as power demand increases and decreases. In theory, a 2.1-liter V6 [theoretically] would thus produces 265hp and 339 ft.-lbs. of torque at 2,500 rpm, 27 percent fuel savings and lower carbon emissions. Sadly for now, 2/4SIGHT uses a whole raft of high-tech solutions (boost, injection, intake and exhaust valves are all variable for each cylinder); it's not ready for prime time. We'll keep you posted.