Great, a four banger that can't rev. On 10/25/05, John M McIntosh <[EMAIL PROTECTED]> wrote: > > Saw this news report today, I'll post just a bit of it. > > "Mechanically, an HCCI engine, like a conventional gasoline engine, > sends a finely balanced mixture of air and fuel to the cylinders. In > a conventional gas engine, a spark plug ignites the air-fuel mixture > to create power. But in an HCCI engine, the air-fuel mixture is > compressed by the piston until rising heat inside the chamber ignites > the mixture -- a process similar to the one that a diesel engine uses. > > Experts believe vehicles powered by gasoline HCCI engines could > potentially offer the big fuel economy of a diesel without high > emissions of nitrogen oxides and sooty particulates -- a problem that > hampers the wider use of diesel engines globally. > > But standing in the way of an early commercialization of HCCI engines > are obstacles that have sidelined the technology since auto makers > first began experimenting with it in the 1970s. It is extremely > difficult to make an HCCI engine run smoothly at very low and > extremely high speeds because engineers can't control the spontaneous > combustion in those ranges. > > According to the engineers, Honda has been able to clear obstacles to > create a prototype four-cylinder HCCI engine that runs smoothly in a > low-to-medium speed range. That, they said, should represent about > 65% of the load range necessary to run a gasoline engine properly on > the highway. The main challenge left to clear is high speeds, or > above 4,000 revolutions per minute, the engineers said. A typical > Honda gasoline-fueled engine covers a range reaching 6,000 RPMs." > > > -- > ======================================================================== > === > John M. McIntosh <[EMAIL PROTECTED]> 1-800-477-2659 > Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com > ======================================================================== > === > > > _______________________________________ > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://striplin.net/mailman/listinfo/mercedes_striplin.net >
-- Gabriel Soto Southern California 1987 300D 230K=-