Rest In Peace, old friend, your work is finished..... If you want ON or OFF the DIESEL ”KnOcK” LIST just FReepmail me..... This is a fairly HIGH VOLUME ping list on some days.....
I hope it smells like a cox 049
Rest In Peace, old friend, your work is finished..... If you want ON or OFF the DIESEL ”KnOcK” LIST just FReepmail me..... This is a fairly HIGH VOLUME ping list on some days.....
Does this mean gas mileage goes up 20-30%?
Gee, when I was a kid, dad had an old DC Case tractor that we would start on gasoline and after she warmed up we would switch it over to kerosene for work in the field, then switch it back to gasoline before shutdown. This was an old crank tractor with a magneto.
What are the compression ratios? 25:1? I wouldn’t expect the engine to hold up as long as a spark engine under the pressures required, whatever they are.
imho the 2020’s are going to be another golden age of automobiles like the 1950’s and 1960’s. Why? There are going to be two kinds of cars; electric and internal combustion engine cars. With maybe a third hydrogen powered cars coming in later. the competition between the systems will force down prices broadly while increasing fuel efficiency. The quality of the workmanship will necessarily increase—because of competition— so the working lives of the cars will go over 200k. (Remember electric cars may currently have bugs but when the bugs are got out—their fewer parts will mean much less maintenance. Internal combustion cars will have to get better to compete. Plus the tools available to turn style ideas into working models will just be astounding. They’re already amazing.
So it’s NOT a gasoline engine using compression ignition. It only does that part of the time!
Gasoline is very volatile. It should be interesting to see how this works.
Not a combustion engineer, but instinctively that sounds pretty iffy to me.
This is an interesting development
Great concept, It is a diesel with a slightly lower compression ratio to ignite gas instead of diesel. A turbo charged or supercharged diesel will do the same it the pre-pressure is removed. The magic pre-ignition difference between gas depending on octane and diesel has been 12 to one vs 15 to one. So 13 or 14 to one would make a gas engine a diesel with the proper fuel timing and the injector mounted in the combustion chamber rather than in the intake manifold. I honestly don’t know why they did not do this years ago. And per BTU it would be very much more efficient than convention gas engines.
When I was in high school my shop teacher once put together a continental jeep engine. He started it and then reached down while it was running and jerked the coil wire off. It kept running just as smooth as it would normally but was self combusting like a diesel. He then tore it back down and showed us what he did. He had drilled a small hole in the side of the valve lip. This was maintaining an orange “Hot Spot” in each cylinder which helped it ignite with just compression and turned it basically into a diesel.
It was actually pretty cool... Kind of like how the Mann pocket system works.
High compression = good burnouts. Whew hoooo!!
I would like to see this technology turned out on the NASCAR race track.
Didn’t Mazda have the first consumer vehicle with a Wankel engine?
They call this new? My ‘68 Coronet with a 318 would run almost forever with cheap low octane gas in it after the ignition was turned off...
hope it works out better for Mazda owners than the Wankel engine.
Anything like the wankel engine?
Piston engine goes Ping, ping ping,
But the Mazda goes H-m-m-m-m.
One of the most entertaining engines I ever wrung out was in a friend’s ‘71 or ‘72 Mazda RX2 coupe. It was a two rotor Wankel rated at a hundred or so horses and had a redline of 6,500 and when the tach hit that mark, a loud buzzer would go off telling the driver to back off. My friend told me to ignore it and just drive it so I did. In the first three of four gears, I would that sucker to over 8,500 and it would produce a kick-ass boost right after the redline all the way past eight grand. I had a ‘71 BMW 2002 that was slightly warmed up and would take her to seven grand but the Wankel was like a little motor from another planet.