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Yeah. I'd rather take Duke engine. Truly, there is so much various engine designs floating around.... Russians came up with one that basically has 2 moving parts. Why something so complicated as that Audi engine? Just imagine forces applied to the rockers and them snapping.
But then Germans are Germans. They don't "get it" with simple designs, it always has to be something very kunscht, allowing them to show off with their technical skill. And chitty reliability as the result.
There are many IC engine designs. A look on the web gives some highly creative designs with animations. Designs that on paper are superior to the antiquated pistons we now have.
The future of internal combustion (IC) engines looks to be rotary, not pistons, which violently change direction. As IC engines are changing their role to constant speed range extenders (generators) rotary offers many advantages over IC piston engines. Generator can be much more efficient at higher speeds and the Wankel gives that easily.
The article states that Mazda have dropped the Wankel. They have not and R&D is still ongoing and R&D by other smaller companies as well. Mazda announced a Wankel in a hybrid, with a prototype made and given to the press to test.
The Wankel can be redesigned to be simpler containing two chambers not three using forced pre-mix, fuel and air, injection and laser ignition. The intake chamber is not needed.
The only piston engine that has a future using much cleaner external combustion is the Stirling engine. The engine can easily take any fuel. NASA perfected the Stirling with the MOD II engine - which the major manufacturers just forgot. It was superior to a turbo diesel in performance and fuel economy with no added vehicle weight. Ongoing stricter emissions will force makers to cleaner external combustion so the Stirling comes in to fill the bill as an ideal range extender. However its drawback is that it is much larger than a Wankel. But range extenders can be much smaller than direct drive engines.
Yeah. I'd rather take Duke engine. Truly, there is so much various engine designs floating around.... Russians came up with one that basically has 2 moving parts. Why something so complicated as that Audi engine? Just imagine forces applied to the rockers and them snapping.
But then Germans are Germans. They don't "get it" with simple designs, it always has to be something very kunscht, allowing them to show off with their technical skill. And chitty reliability as the result.
Look at a BMW. Others do similar cars with much less complexity.
I can see sealing problems on the Duke engine. It appears to offer no large hype over conventional engines.
This two-stroke is to be produced in China and backed by Bill Gates' millions. It is balanced and two can have an electric clutch between them switching in and out the second engine. It also has an electrically controlled turbo-charger.
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Audi patents new engine design
