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Non VW Group Diesels This section is for discusion of Non VWGroup Diesels.

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Old December 26th, 2016, 13:30   #1651
k1xv
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The Mazda diesel will get here when Lucy lets Charlie Brown kick the football.
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Old December 26th, 2016, 14:38   #1652
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So, August 2, 1979?

(She did let him kick the football... but he missed and kicked her instead.)
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Old January 24th, 2017, 03:11   #1653
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I've read elsewhere that Mazda is already working on 2nd-generation Skyactiv gasoline engines, which will be using HCCI. At that point, there pretty much ceases to be a distinction between a gasoline engine and a diesel engine. They may just opt to skip the diesel for the current generation since the next generation would render it redundant anyhow.
This is encouraging:

http://www.greencarreports.com/news/...gine-next-year
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Old January 24th, 2017, 15:23   #1654
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How will be the torque as compared to the current Mazda gasoline engines?
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Old January 24th, 2017, 16:26   #1655
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How will be the torque as compared to the current Mazda gasoline engines?
I suspect there will be slightly more torque until it blows up. Then there will be significantly less.
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Old January 24th, 2017, 21:29   #1656
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When I was in high school, another guy had a Studebaker Lark (pity him). He would shut off the ignition, and the car would keep running. He would have to put it in gear, put his foot on the brake, and pop the clutch to get it to stop running.

I guess Studebaker was ahead of its time.
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Old January 25th, 2017, 06:08   #1657
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So have there been other 'blow ups' with these homogeneous-charge compression engine types?

Or maybe it has been 'covered up' and the public does not know.
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Old January 25th, 2017, 07:22   #1658
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There can't have been any, because no current production engine uses it.

The hardware is more-or-less the same as a DOHC gasoline engine with direct-injection and variable valve timing on both intake and exhaust.
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Old January 25th, 2017, 08:15   #1659
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There actually are current-production HCCI engines, but not in cars, and most of them aren't even 4-stroke.

(Model airplane diesels use HCCI with a carburetor (if you can even call it that), and you vary compression with a contra-piston in the head, until the thing is running smoothly.)

Not exactly relevant to modern attempts at HCCI, though.
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Old September 20th, 2017, 08:59   #1660
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A few days ago, I paid a visit to my local Mazda dealer, and as I was checking out the latest CX-5, I opened the fuel flap. Inside, I found a cap of the fuel tank, and right next to it was another opening that was covered by a piece of plastic. The sales guy confirmed my suspicion that this was, in fact, an opening for the future urea tank. He told me the dealership doesn't have any indication from the HQ when the diesels might be coming, but everyone on the sales floor feels the extra hole is a good sign we are getting closer. Who knows? Maybe we are.
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