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Featured Honda R&D articles on the CivicX

Discussion in 'General 10th Gen Discussions' started by baldheadracing, Jul 4, 2017.




  1. baldheadracing

    baldheadracing Senior Member

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    If you want to get very technical and have some math/physics/engineering background, then you will find the Honda R&D Technical Review journal fascinating. Registration is required to download/view the articles, but the registration isn't onerous.

    The current issue, Vol.29 No.1, https://www.hondarandd.jp/summary.php?sid=51&lang=en has quite a few articles on the CivicX, for example:
    Vehicle Dynamics Performance Enhancing Technology for New CIVIC
    Mikito KOBAYASHI、 Masaya YAMADA
    Aerodynamic Development for High-speed Stability in New CIVIC
    Susumu MASHIO、 Masayuki MINAGAWA
    Advanced Technology for Interior Vibration Reduction for New CIVIC
    Tsutomu MATSUBAYASHI、 Osamu MATSUDA
    Advanced Technology for Road Noise Reduction for New CIVIC
    Jun TSUTSUMI、 Hitoshi TAKATSU、 Atsuhiro YAMAZAKI
    Broadly-applicable Adaptive Damper System without Use of Dedicated Sensors
    Ryoma KANDA、 Yujiro NISHI、 Masaki IZAWA

    Some articles from older issues:
    New In-Line 4-Cylinder Gasoline Direct Injection Turbocharged Downsizing Engine
    Koji NAKANO、 Yusuke WADA、 Mitsutaka JONO、 Shigeru NARIHIRO
    Simulation of Oil Separating Behavior for Engine Breather System
    Makoto HAGA、 Takumi KASAHARA
    Development of Agile Handling Assist
    Kazutaka OHMURA、Takeshi KOJIMA、Tomoyuki FUTAMURA
     
    Last edited: Jul 5, 2017
    Apeks, Riviera, jks and 11 others thanked this.
  2. akirarex Senior Member

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    Thank you for the information, I always enjoy seeing the work that goes into making vehicles.
     
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  3. =OrionX=

    =OrionX= Member

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    Thanks!! I love this level of engineering specifics.
     
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  4. the1dynasty

    the1dynasty Senior Member

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    sub'd thanks
     
  5. 360glitch

    360glitch Moderator Moderator

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    Very technical and very interesting. Thanks for sharing.
     
  6. exyia Senior Member

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    the adaptive damper technology is so cool - it's just such a shame they're using it for maintaining comfort rather than pushing performance higher
     
  7. HondaPro

    HondaPro Senior Member

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    Sweeeet
     
  8. bubbaleenc

    bubbaleenc Owning the country roads.

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    thanks for posting!

    I was with the understanding that the 1.5 was not VTEC. But this article summary seems to imply that it is indeed VTEC:

    "Two new models of in-line four-cylinder VTEC turbo engine have been developed as part of the cluster of new-generation power train technologies known as EARTH DREAMS TECHNOLOGY, which achieves a high-level balance between driving performance and fuel consumption. Both VTEC engines use high-tumble ports, valve timing control (dual VTC) of both intake and exhaust camshafts, multi-hole direct side injectors, and high-response turbochargers with attached electric waste gate actuator. With these technologies in common, the new engines successfully yield maximum thermal efficiency and power through cooperative control and turbocharging conditions based on combustion technology that uses high-tumble flow. The 1.5 L engine puts out the same 110 kW of maximum power as the 2.0 L naturally aspirated engine while increasing low- and medium-speed torque by a maximum of 30%. A vehicle with this engine installed achieved fuel consumption of 17 km/L in JC08 mode, which puts it at the top of the minivan class, and a 75% reduction relative to the level required by Japanese 2005 regulations for exhaust emissions. As a high-powered sport engine, the 2.0 L model achieves maximum output of 228 kW and maximum torque of 400 Nm. A vehicle with this engine installed achieved CO2 emissions of 170 g/km in European fuel economy mode and Euro 6b compliance."

    Update: "Dual VTC was adopted for the 1.5 L type while the 2.0 L type additionally adopted VTEC on the exhaust side." Not to mention how this has been hashed out historically (et al.)
     
    Last edited: Jul 21, 2017
  9. OP
    baldheadracing

    baldheadracing Senior Member

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    It all depends on how you define 'VTEC' vs. 'VTEC TURBO.' However, we all know Honda stopped calling the 1.5 a 'VTEC TURBO.'

    In the article, it was stated "Dual VTC was adopted for the 1.5 L type while the 2.0 L type additionally adopted VTEC on the exhaust side." So the 1.5 isn't VTEC, the 2.0 is half-VTEC, and neither is VTEC YO :).
     
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  10. MarkyMoe Senior Member

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    All this technology , and Honda can't even get my in car navigation to work properly !!
     
  11. sonicBOOMgray

    sonicBOOMgray "SMOKEY" DA BEAR!!

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    I still love 'all this technology" more.
     
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