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Automotive News & Views The Future Of The Manual Transmission
5807 messages, Last post on Nov 26, 2009 at 7:20 AM
You are in the Automotive News & Views Forum. Your Hosts are steve_ & claires
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Replying to: ruking1 (Jul 03, 2009 6:41 am) No, NOT...!! The answer is quite plain and SIMPLE. Multiple gear ratio manuals and automatics MUST give way to CVTs. With a CVT the engine can run, will be free to run, at whatever RPM/throttle opening that PERFECTLY matches, JUST BARELY MATCHES, the requirement of the moment, constant speed on a flat smooth roadbed or climbing a steep pass fully loaded and towing. Put as many gears as you wish in that "box" and your will still NEVER reach the FE and performance capability of a CVT.
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Replying to: wwest (Jul 03, 2009 9:42 am)  (and not just your opinion) The old rating was at 26 mpg. The new rated 6 spd manual transmission is at 27 mpg. Anoher question remains what is the premium of the CVT over the 6 spd manual? Again that is nothing new, as one strategy has always been to keep the RPMS the same and select the "correct" gear to keep a preselected and supposedly fuel efficient rpm reading constant. Another that I sometimes do at altitude (aka in the mountains 2k to 7,000ft) is to select a steady mph. I pass many a Subaru doing that. (not that I set out to do that, but a lot of Subaru owners head for the mountains- its kind of a lifestyle mindset) Again what is extremely well hidden is the hp/torque at the so called "crank" and at the rear wheels. The differences (app 11% for the manual and 20% for the automatic) is customarily identified as the parasitic loss or drag. Again the real question: what is it for the CVT. |
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Replying to: wwest (Jul 03, 2009 9:42 am) And that way, you can have that exciting feeling of driving your motorboat all the time, even when you are on dry land!!  All I'm asking for is a taller top gear. Even some 6-speed manuals today are still geared without a proper high-MPG highway cruising gear.
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Replying to: nippononly (Jul 03, 2009 9:58 am) 
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Replying to: wwest (Jul 03, 2009 9:42 am) Bwaaahaha! CVTs, for those whom like mind numbingly boring cars, they are the perfect answer. For the rest of us, give us a nicely ratioed 6-Speed manual gearbox, complete with a clutch pedal and we'll easily be able get the same fuel economy for any given driving environment, and have more fun while doing it.
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Replying to: wwest (Jul 03, 2009 9:42 am)
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Replying to: steve_ (Jul 03, 2009 10:02 am) Seattle, Livingston MT, Lewistown MT, Everson MT, back to Seattle. Meals at Missoula Crackerbarrel both ways. If it had a manual transmission I would have left it home and taken the train. The nice thing about a CVT is if you want to "stir" it the programmers could give you any number (6 or 9,...more....?) of "fixed" gear ratios you like. In the best of all worlds you would even be able to select each ratio. Then when you get tired of "stirring" you can simply leave the driving to "us', speaking for firmware programmers.
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Replying to: shipo (Jul 03, 2009 10:05 am) Not possible, not even close. Not even if/when you're sharp as a tack, let alone a few hours into a 500 mile destination.
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Replying to: wwest (Jul 03, 2009 9:09 pm) Not to mention, the car will go fastest if you just floor it and let it motorboat. "Stirring it" with the plastic paddles in a "sport" CVT is just absurd. What is amusing, in a general sense, is how hard designers of automatics try to imitate the operation of a true manual, and just how far short of that goal they fall. I do think that the death knell has now been sounded for the slushbox, which will be replaced by DGSs in expensive applications, and by CVTs in cheap ones.
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Automotive News & Views The Future Of The Manual Transmission
