http://www.foxnews.com/leisure/2015/11/16/mazda-rotary-engine-may-lose-its-spark/



Sounds promising!

Dan Gorsline.

https://en.wikipedia.org/wiki/Homogeneous_charge_compression_ignition

"Homogeneous charge compression ignition (HCCI) is a form of internal combustion in which well-mixed fuel and oxidizer (typically air) are compressed to the point of auto-ignition. As in other forms of combustion , this exothermic reaction releases chemical energy into a sensible form that can be transformed in an engine into work and heat."

Automotive-HCCI-Engine-Laboratory

"HCCI combines characteristics of conventional gasoline engine and diesel engines. Gasoline engines combine homogeneous charge (HC) with spark ignition abbreviated as HCSI. Diesel engines combine stratified charge  with compression ignition abbreviated as SCCI."



Paul Lamar

I hope it won't be called an Rx-9. Mazda has already made an Rx-9, back in '77-'81 it was also called the Luce and it failed.

The concept looks more like a descendant of the 3rd Gen Rx-7, which is well known and respected through-out the world.... So, my fingers are crossed that it'll be a 4th Gen 7.


Dan Gorsline

RX9 make more sense for the new buyers.

Mazda needs to get serious about the heat rejection to the coolant if this
is going to work. They need to use  stainless steel for the rotor housing liner
and the rotor. Stainless has a much, much lower coefficient of heat transfer
than steel. It was cold this morning and I much appreciated the RX8 fast warm
up and hot heater :)

Paul Lamar

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