Hmmmm

"JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t" (jawzx2) 11/20/2014 at 14:15 • Filed to: None

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this one's interesting. I like the piston-porting and axial gas flow, since the seals are in the block rather than the piston it may or may not have better sealing performance than a wankel-style rotary... What thinks OPPO?

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Sir_Stig: and toxic masculinity ruins the party again. > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/20/2014 at 14:27

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Consider me impressed.

Sir_Stig: and toxic masculinity ruins the party again. > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/20/2014 at 14:32

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won't there be wear on the flat sides of the piston?

davedave1111 > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/20/2014 at 14:46

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I'm very skeptical of these 'new rotary engine' designs by now. The reality is that Mazda (and others) put a lot of money into researching rotaries, and they didn't miss anything obvious. You think they never tried putting the ports in the rotor instead?

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > Sir_Stig: and toxic masculinity ruins the party again. 11/20/2014 at 15:18

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yes, *BUT* the large sealing surface available means the pressure at any one point isn't super high... with modern alloys I would be much less worried about the flat side sealing than the apex sealing.

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > davedave1111 11/20/2014 at 15:18

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I don't know, did they?

You can tell a Finn but you can't tell him much > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/20/2014 at 15:53

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It is an interesting concept and they appear to have the brainpower and backing to pull something off. It is curious that they haven't developed power and torque curves yet since they have dyno tested their prototypes. While they are touting the high power density of the concept I would be curious to see what kind of torque output they can generate. Depending on performance under load it could be a bit of a technical breakthrough. Whether or not that technical breakthrough can translate into a market breakthrough is another discussion.

Off the bat it would appear that this would be an ideal power plant for lawn & garden equipment. Something like a push mower, weedwacker or chainsaw would really benefit from a low NVH power source. It would also probably work well as a generator or automotive range extender.

While there is a lot of potential, I wouldn't hold your breath expecting to see this on the market any time soon. There have been plenty of revolutionary engine architectures that have turned out to be nothing more than vaporware and wishful thinking.