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Lynn and Bill,
I googled it, which I should have done initially
and some sites stated it had been around for about 30 years. I guess they didn't
really need it then. I tell my Son, back in 1967 I remember getting fuel
for 5 cents a liter or 20 cents a gallon - he can't believe it. I guess that's
40 years ago, but you know what I mean. Does anyone remember what it cost in the
US in 1967.
I had a look at one site and they showed a
computer generated fuel burn progression, HCCI was a lot faster, and in all
areas at the same time. One site suggested it worked best with DI.
George (down under)
Their comments on the technology are as mentioned
before either high compression or intake heating are required. Supercharging or
intake is also a way to high cylinder pressure. Right now they say that the
trouble for the tech is controlling the timing event. They say the system works
well but doesn't transition to high load well. Right now another hopeful
technology that's not ready quite yet.
Bill Jepson
About
30 years ago a guy named Yanuck built a V-2 from part of a small block Chevy.
It had a small turbo to maintain positive inlet pressure and the exhaust
system strung through the inlet manifold. It was mounted in an old Mercury
Capri. It would pull away from a stop at near zero RPM in top gear. It had the
Capri carb. Got great milage. Never detonated. Was quiet.
GM engineers
drove it with him in the seat beside them. One couldn't believe that the
exhaust system was coiled inside the intake, so he put his hand on it and
burned himself comprehensively.
Smokey was paid to work on various
projects for GM. This car and engine were not on the GM list, and was all
Smokys ideas. He wanted to maintain control of the idea, and GM wanted to buy
it outright. So instead of buying a license from Smokey and being the top of
the heap today, GM shoved the pistol down behind their belt buckle and pulled
the trigger.
Smokey disassembled the engine and crushed the car. The
superheated intake idea and its refined effective systems died with smokey.
And still the struggle goes on to achieve what has been done so long ago.
Lynn E.
Hanover
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