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Detroit, 11:24 PM
Sat Nov 21
14 posts in the last 24 hours

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  • posts about #08 more →

    Hyper Power International Dyno Claims First Accurate Measurement Of Driveline Losses With Nissan GT-R

    2009 Green Car Of The Year Finalists Announced

    Detroit Auto Show Continues To Dominate, Snags New Toyota Prius And Lexus Hybrid Debuts

    Detroit Auto Show: New Cadillac CTS-V Coming to Detroit, Officially
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    Dsmvwl  Admin  Promote to frontpage Approve user Ban user ×
    Image of nick2ny nick2ny
    12/30/08

    In reply to Hyper Power International Dyno Claims First Accurate Measurement Of Driveline Losses With Nissan GT-R
    But if the car is in neutral, the transmission isn't spinning. So this device just measures the drag of the driveshafts and wheels spinning. PLUS... aren't driveline losses really just because of the rotational inertia of the parts of the transmission? I think that the act of accelerating the spinning parts in the transmission is what takes all the power. Otherwise the transmission would get really, really, incredibly hot. There isn't that much friction in there...


    Color me unimpressed.

     Reply
    nick2ny was starred nick2ny was unstarred
    Image of philibuster philibuster
    12/30/08

    @nick2ny: It does get hot. That's why you have transmission oil coolers.
     Reply
    philibuster was starred philibuster was unstarred
    Image of nick2ny nick2ny
    12/30/08

    @philibuster: I know it gets hot. that's why i added "really really incredibly" in front of hot. Are you disagreeing with the rest of my post?
     Reply
    nick2ny was starred nick2ny was unstarred
    Image of TexanIdiot25- needs moar horse powah TexanIdiot25- needs moar horse powah
    12/30/08

    @nick2ny: Depending on the transmission, but it's gears are still spinning to some extent. While your driving gear is out, the rest of the trans still rolls with the drive shafts. This is why on an automatic car that if you tow it and the drive wheels are spinning, you must disconnect the drive shaft. Even in N, the trans gears are spinning. Of course, with the enigne off, there's nothing to pump the trans fluid and that burns up trannies while towing.
     Reply
    TexanIdiot25- needs moar horse powah was starred TexanIdiot25- needs moar horse powah was unstarred
    Image of TheBrewPub TheBrewPub
    12/30/08

    In reply to Hyper Power International Dyno Claims First Accurate Measurement Of Driveline Losses With Nissan GT-R
    I like the name: Hyper Power International.


    Makes me think I can harness the energy from my children and sell it somehow. Is that tantamount to child labor? They're just burning it off anyway!

     Reply
    TheBrewPub was starred TheBrewPub was unstarred
    Image of Paul Y. don't drive too fast. Paul Y. don't drive too fast.
    12/30/08

    @TheBrewPub:

    I recommend using kids' energy to power a giant drill to bore straight into hell.
     Reply
    Paul Y. don't drive too fast. was starred Paul Y. don't drive too fast. was unstarred
    Image of Boosted Lego Wagon Boosted Lego Wagon
    12/30/08

    In reply to Hyper Power International Dyno Claims First Accurate Measurement Of Driveline Losses With Nissan GT-R
    I can measure drivetrain loss on a GT-R too: use launch control? Lose your drivetrain.
     Reply
    Boosted Lego Wagon was starred Boosted Lego Wagon was unstarred
    Image of Brimful of Ash on the 78 Brimful of Ash on the 78
    12/30/08

    In reply to Hyper Power International Dyno Claims First Accurate Measurement Of Driveline Losses With Nissan GT-R
    If I stare directly at those dyno roller wheels, the GT-R is a very attractive car in my imagination.
     Reply
    Brimful of Ash on the 78 was starred Brimful of Ash on the 78 was unstarred
    Image of Mike the Dog is sitting by the door with a pair of cow slippers, and a very sad face. Mike the Dog is sitting by the door with a pair of cow slippers, and a very sad face.
    12/30/08

    In reply to Hyper Power International Dyno Claims First Accurate Measurement Of Driveline Losses With Nissan GT-R
    It would be interesting to see a third party test the manufacturers claims by running a car on this rig, pulling the engine and running it on a stand dyno, then comparing the numbers.
     Reply
    Mike the Dog is sitting by the door with a pair of cow slippers, and a very sad face. was starred Mike the Dog is sitting by the door with a pair of cow slippers, and a very sad face. was unstarred
    Image of Doshu Doshu
    12/30/08

    @Mike the Dog: I thought the whole point of this rig is that they don't need to pull the engine.


    As for the numbers? From what I'm reading, it appears to confirm that Nissan's numbers are correct.

     Reply
    Doshu was starred Doshu was unstarred
    Image of Mike the Dog is sitting by the door with a pair of cow slippers, and a very sad face. Mike the Dog is sitting by the door with a pair of cow slippers, and a very sad face.
    12/30/08

    @Doshu: I meant as a means of independently verifying whether or not their method of calculating driveline losses was somewhat accurate or just a bunch of BS. It's easy to say you're calculating driveline losses accurately when you know what the numbers on both ends of the equation should be.
     Reply
    Mike the Dog is sitting by the door with a pair of cow slippers, and a very sad face. was starred Mike the Dog is sitting by the door with a pair of cow slippers, and a very sad face. was unstarred
    Image of six six
    12/30/08

    In reply to Hyper Power International Dyno Claims First Accurate Measurement Of Driveline Losses With Nissan GT-R
    Next thing we hear from Nissan: testing on the Hyper Power International dyno will void your warranty.
     Reply
    six was starred six was unstarred
    Image of cyclopticgaze cyclopticgaze
    12/30/08

    @six: The GT-R's GPS receiver knows the positions of all the Hyper Power International dynos in the world. When it senses that your GT-R is on one of these dynos, it automatically de-tunes the engine.
     Reply
    cyclopticgaze was starred cyclopticgaze was unstarred
    Image of Six Flags Over Tomsk Six Flags Over Tomsk
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    GO DIESELS!


    If they could give last year's award to ginormous body-on-frame SUVs, then surely they can give this year's to a small, clean diesel sedan...can't they?

     Reply
    Six Flags Over Tomsk was starred Six Flags Over Tomsk was unstarred
    Image of General_Zad's_Chicken General_Zad's_Chicken
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    What, No H3? I thought I'd never....
     Reply
    General_Zad's_Chicken was starred General_Zad's_Chicken was unstarred
    Image of jaydez jaydez
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    My take on it:


    Diesel, yes gives great milage but it way too expensive in most places and still pollutes quite a bit. So no BMW or VW


    The Smart still doesn't get great milage for its size and its practical outside an urban area. That and it's only 2 seats so not practical for a family either.


    The Vue is just another Hybrid SUV which has been done a dozen times already.


    The Fusion is a reskin of the surrent one but is promising in terms of milage and technology (like the SmartGauge).


    I think the Fusion is going to take it.

     Reply
    jaydez was starred jaydez was unstarred
    Image of Deartháir II Deartháir II
    10/30/08

    @jaydez: I don't have any figures to back it up, but the new Jetta TDI uses offshoot technology from the joint MBZ-VW BlueTec project. My understanding is that these new "clean diesels" are geared towards getting the lowest emissions rating possible, other than PZEV, for which they're not eligible as that requires "partially zero", which means that sometimes it's not emitting anything. The goal, if I recall, was to create diesels that actually produced fewer total emissions than a hybrid when both are used in normal day-to-day use. That, and it's simpler technology than a hybrid, which I like, because it seems like everything I own breaks down all the time.


    If I'm wrong, and someone can correct me, feel free, my internet tubes are all cloggy today.


    Can't argue with you about diesel being too expensive right now, it's still over a buck a litre here in Canada when regular is down to 93 cents in some places.

     Reply
    Deartháir II was starred Deartháir II was unstarred
    Image of patrickmurray patrickmurray
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    Do you mean you'll be pulling for the 2010 Ford Fusion, or is the Mustang also part of this?


    I vote for the BMW. Their chassis work is pretty much in a league of its own, coupled with diesel torque...seems nice to me.

     Reply
    patrickmurray was starred patrickmurray was unstarred
    Image of Ben Wojdyla Ben Wojdyla
    10/31/08

    @patrickmurray: It's a joke. Even being a hardcore engineering dork I have a hard time getting excited about hybrids.
     Reply
    Ben Wojdyla was starred Ben Wojdyla was unstarred
    Image of Brimful of Ash on the 78 Brimful of Ash on the 78
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    Two cars we can't even buy yet...a Saturn cute-ute...a fashion accessory for urbanistas...and a normal car.


    Call me a fanboi, but the Jetta really ought to win this one.

     Reply
    Brimful of Ash on the 78 was starred Brimful of Ash on the 78 was unstarred
    Image of layabout layabout
    10/30/08

    @Ash78: You must admit the BMW has done well,that's a powerful car & it wont hurt the lungs of a butterfly.
     Reply
    layabout was starred layabout was unstarred
    Image of Mad_Science Mad_Science
    10/30/08

    @layabout: Butterflies don't have lungs.
     Reply
    Mad_Science was starred Mad_Science was unstarred
    Image of Brimful of Ash on the 78 Brimful of Ash on the 78
    10/30/08

    @layabout: No doubt about it...except BMW diesel doesn't even exist in the USA (yet).
     Reply
    Brimful of Ash on the 78 was starred Brimful of Ash on the 78 was unstarred
    Image of layabout layabout
    10/30/08

    @Mad_Science: Then they wont get hurt ;)
     Reply
    layabout was starred layabout was unstarred
    Image of Cognitive Friction Cognitive Friction
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    I don't get how the Smart fortwo belongs on that list
     Reply
    Cognitive Friction was starred Cognitive Friction was unstarred
    Image of Braff Braff
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    $50 bucks on the TDI
     Reply
    Braff was starred Braff was unstarred
    Image of layabout layabout
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    So is the Ford in the picture displaying the new vegetable slicer style grilles?
     Reply
    layabout was starred layabout was unstarred
    Image of Mad_Science Mad_Science
    10/30/08

    In reply to 2009 Green Car Of The Year Finalists Announced
    That's it. I'm staring my own publication so people will give me stuff to evaluate in hopes of winning my awards.


    Look for the inaugural online edition of Beer, Steak and Horsepower Journal next month!

     Reply
    Mad_Science was starred Mad_Science was unstarred
    Image of layabout layabout
    10/30/08

    @Mad_Science: I'd like to offer my services as a one of your European correspondents.
     Reply
    layabout was starred layabout was unstarred
    Image of Roast Beef longs for the 22R-TE Roast Beef longs for the 22R-TE
    10/30/08

    @Mad_Science: As a beer, steak and horsepower aficionado I am waiting with bated breath.
     Reply
    Roast Beef longs for the 22R-TE was starred Roast Beef longs for the 22R-TE was unstarred
    Image of vwminispeedster, pronounded Si-trow-in vwminispeedster, pronounded Si-trow-in
    10/30/08

    @Roast Beef: I can't wait for the Beer, Steak and Horsepower Swimsuit edition.
     Reply
    vwminispeedster, pronounded Si-trow-in was starred vwminispeedster, pronounded Si-trow-in was unstarred
    Image of Deartháir II Deartháir II
    10/30/08

    @vwminispeedster hearts CITROENs: I vote for swimsuits made entirely of beer.
     Reply
    Deartháir II was starred Deartháir II was unstarred
    Image of Six Flags Over Tomsk Six Flags Over Tomsk
    10/30/08

    @Deartháir: Seconded.
     Reply
    Six Flags Over Tomsk was starred Six Flags Over Tomsk was unstarred
    Image of Deartháir II Deartháir II
    10/30/08

    @Deartháir: And by the way, Mr. Science, allow me to toss up a COTD nomination for that one. I actually LOL'd.
     Reply
    Deartháir II was starred Deartháir II was unstarred
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