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Thread: Is the next Mazda Renesis rotary set to get direct-injection?

  1. #1
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    Default Is the next Mazda Renesis rotary set to get direct-injection?



    Last October, it seems that Mazda quietly filed a patent for a twin-spark, direct injection version of the automaker's iconic rotary engine. It's taken this long for anyone to actually notice application 20090101103, which appears to have been approved just last month, but it's still an interesting development in the ongoing saga of the engine design.

    First developed and patented by German engineer Felix Wankel way back in the early 1950s, the rotary engine has always been able to make lots of power relative to its small size, but it's also proven extremely difficult to keep emissions and fuel consumption at acceptable levels. Adding direct injection may be one effective way to manage the fuel consumption issue, and it's long been assumed Mazda would go this route on the next version of its Renesis rotary.

    Further, it seems the automaker is working to slightly change the dimensions of the rotor housing (increased displacement?) and the distance between the twin spark plugs, which may have desirable effects on the engine's tailpipe emissions. It's certainly no sure-thing that this engine is going into production, but it shows the Japanese automaker is intent on improving its rotary technology. Click here to see the actual patent application, and check out all seventeen diagrams in our gallery.

    Source: SWDELAW via Autoblog Green.
    2014 Mk7 Golf R | DSG | Reflex Silver | Leather | Drive Assist | Bi-Xenon Headlights
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  2. #2
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    Very interesting!! Will be interesting to see if this opens more doors for the Rotary to perform even better

  3. Default

    Or even a new RX7

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    mmmmmmm RX7 *drools*

  5. Default

    Imagine the styling on a new RX7 now it would be even hotter than the last model RX7 .... OMG I cant sit still thinking about it mmmmmmmmmmmmm

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    I would be instantly sold!!!

  7. #7

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    For $60k+ I still think it needs a hairdryer...

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    ^^ What he said.

    Then id pre order :P

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    Strap on two and bring back the glory days of the FD RX7
    Last edited by tricache; 27-05-2009 at 08:30 AM. Reason: Spelling FTL

  10. #10

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    there is a RX8-SP that competed in targa tasmania, and apparently your mazda dealer will take a deposit on one, meant to have 400nm of torque with the turbo and similar performance to the MPS3

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    ORLY?

    Got links?

  12. #12

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    RX8 SP announcement to compete in targa

    http://www.caradvice.com.au/25269/ma...arga-tasmania/

    Engine: Rotary Turbo
    Transmission: six-speed manual, RWD
    Power: 205kW
    Torque: 300Nm
    Fuel tank: 65 litres
    Kerb weight: 1280kg
    Wheels: 18-inch MAZDASPEED alloys

    300nm of torque not 400 soz... nothing a bit more boost wouldnt fix
    Last edited by heath_303; 04-06-2009 at 05:54 PM.

  13. Default

    very nice the rx8 was on my list of cars to buy but way out of my price range

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