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    Interviews with Kazutoshi Mizuno

    Question 1 : For such a high performance machine, the GT-R is a big car and heavy one. Tell us why that is?

    Question 2 : So what is the best way to reduce weight from the R35 to make it perform better?

    Question 3 : In your previous answer, you seemed to be telling us the parameters of 1700kgs weight and 485hp were set from the beginning of the project, is that correct?

    Question 4 : Why did you opt for a V6 engine, instead of an engine with more cylinders?

    Question 5 : What about the transaxle some competitors have seven or eight speeds, so why does the GT-R have only six?

    Question 6 : The R34 had the HICAS rear wheel steering system. Why didnt that make it onto the latest GT-R?

    Question 7 : Is the increasing use of electronic control systems in performance cars a welcome trend, or does it reduce the enjoyment for the driver?

    Question 8 : When you develop a car from scratch, there have to be compromises. What was the biggest compromise that affected the development of the GT-R?

    Question 9 : Can diesels ever be a good thing in motorsports, and can electric road cars ever be fun to drive?

    Question 10 : What are your thoughts about the need to reduce the environmental impact of motoring and motorsport?

    Question 11 : There have been lots of rumours about future GT-R developments, including the Spec M version with more comfort. What can you tell us about that?

    Question 12 : We know about your personal commitment and passion for the GT-R, but where does this passion come from. Were you inspired by cars as a boy, and which cars inspire you now?


    Interview by courtesy of Pistonheads
    --


    Re: Interviews with Kazutoshi Mizuno

     Thanks 


    Re: Interviews with Kazutoshi Mizuno

    It's quite interesting to see the ideas and philosophy behind the car!  Actually I wish we could see the same for other cars as well!

    Geoff

     


    --

    2001 Corolla LE - 0-60: Yes.

    2009 Corvette Z06 - 0-60: Ooooh yes.


    Re: Interviews with Kazutoshi Mizuno

    Jofu:

    .... I wish we could see the same for other cars as well!

    Geoff

     


    On the German Porsche website only, if you click on Multimedia, you can listen to podcasts on various matters from people at PAG Smiley

    http://www.porsche.com/germany/multimedia/podcast/

    Unfortunately, I think they may only be in the German language Smiley

    But there are plenty of interesting video and sound clips on the Porsche Web Cinema:

    http://www.porsche.com/uk/multimedia/porschewebcinema/


     


    --
     

    RT Moderator - 997.1 Carrera S GT Silver/Cocoa, -20mm/LSD, PSE, short shifter, SportDesign rims, Zuffenhausen collection


    Re: Interviews with Kazutoshi Mizuno

    Best thing PH ever produced if you ask me.  In a strange way I enjoyed that.


    --

    http://www.phrog.co.uk


    Re: Interviews with Kazutoshi Mizuno

    With regard to his theory of a heavy car replicating the effects of down force generated by a wing, I imagine this... a race car has down force applied to it at speed, like a large hand pushing directly down on the car.... so when a race car is accelerating from low speeds it has the advantage of being light, but when cornering at high speed it has the advantage of down force pushing the car into the track surface. A heavy car like the GT-R has no down force, but instead has a large mass which would negatively effect the lateral stability of the car when entering a corner at high speed. It seems the only way to counter those effects would be from the advanced all wheel drive system and a series of electronic driver "aids". This is why the car works as a package but the same theory of increased weight for traction would not work in other cars, and explains why the GT-R is much slower when the electronic nanny system is turned off. The amount of computations and corrections per second occurring in this car on a race track must be staggering.

     


    Re: Interviews with Kazutoshi Mizuno

    Thank you for the clips! Smiley

    Now on the data: you may hate the car but you can't stop loving this guy! Smiley

    "This is very important": when the last thing you do is to chose the car's transmission after you spent a LOT of money on AWD+electronics, tires, engine and the brake system.... well Smiley you get some problems with the supplier Smiley

    They should give a DVD with this interview to each owner so they can understand the car better.

    Of course if the core of the project was tire grip, than the rest of the story unfolds logically but also to the point were tire USAGE becomes a problem.... Smiley

    Don't get me wrong: I have nothing but respect for this man and for his creation. The only thing we maybe could disagree upon, it's his design choice. Thinking this way will make the end product lack in emotions and a SUPERCAR it's not only about efficiency and performance. It's also about emotions. That's were I disagree with him.

    PS If I want to be mean I could say that I believe this car's future was decided by lawyers Smiley "Just make us a car that can be driven fast and kind'of safe by the average Joe"... "if possible create a platform so we can make more money too"...

     

     


    --
    There is no try. Just do.

    Re: Interviews with Kazutoshi Mizuno

    I also start to believe that the GTR can be driven extremely fast, as in 7:26 on the ring Smiley, if you understand this car's philosophy and you completely readjust your driving style from "I trust my instincts" to "I trust the electronics&tire_grip combo completely". And that's not easy to do, especially on the N-ring bends.

    And again, such usage will eat tires faster, which it's not good for racing I believe... but then again this was designed to be a all-weather, all-season, 24-7 street car... not a weekend/track toy.

     


    --
    There is no try. Just do.

    Re: Interviews with Kazutoshi Mizuno

    JoeRockhead:

    This is why the car works as a package but the same theory of increased weight for traction would not work in other cars, and explains why the GT-R is much slower when the electronic nanny system is turned off. The amount of computations and corrections per second occurring in this car on a race track must be staggering.

     


    Yet, that Suzuki dude got it to go around the 'ring in 7m26s, with everything turned off.  Mind you, he's an excellent driver with lots of time behind the GTR's wheel, but nonetheless the time shows the car itself is capable of doing it!

    Smiley

    Geoff


    --

    2001 Corolla LE - 0-60: Yes.

    2009 Corvette Z06 - 0-60: Ooooh yes.


    Re: Interviews with Kazutoshi Mizuno

    easy_rider911: 


    On the German Porsche website only, if you click on Multimedia, you can listen to podcasts on various matters from people at PAG Smiley

    http://www.porsche.com/germany/multimedia/podcast/

    Unfortunately, I think they may only be in the German language Smiley

    But there are plenty of interesting video and sound clips on the Porsche Web Cinema:

    http://www.porsche.com/uk/multimedia/porschewebcinema/


     

    Thanks for the links, I'll check them out!

    Geoff


    --

    2001 Corolla LE - 0-60: Yes.

    2009 Corvette Z06 - 0-60: Ooooh yes.


     
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