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10-speed transmissions
Posted by: space-time
Date: April 16, 2013 10:43PM
[www.latimes.com]


Quote

Two of the biggest rivals in American industry — General Motors Co. and Ford Motor Co. — are again joining together to develop transmissions for their next generation of cars.

The automakers said Sunday they will team to create nine-speed and 10-speed transmissions that will be smoother and more fuel efficient than the gearboxes currently in their cars and trucks.


I would like to ask why is this better than a CVT (continuously variable transmission)? There are already cars with CVT on the road today.
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Re: 10-speed transmissions
Posted by: C(-)ris
Date: April 16, 2013 11:13PM
CVTs can't handle as much power and break easier. They also cost more and need more maintenance.


C(-)ris
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Re: 10-speed transmissions
Posted by: bruceko
Date: April 16, 2013 11:28PM
My car has an 8 speed transmission. Get 30 mpg on the freeway with a v-8 engine.
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Re: 10-speed transmissions
Posted by: Carnos Jax
Date: April 16, 2013 11:31PM
What Chris said...
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Re: 10-speed transmissions
Posted by: Mr645
Date: April 17, 2013 06:25AM
My car has a 7 speed and it shifts like crazy. Great on the highway, but annoying around town. Sometimes a simple clutch peddle works better
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Re: 10-speed transmissions
Posted by: Grateful11
Date: April 17, 2013 06:52AM
CVT's can be built to handle extremely high HP, torque and handle extreme duty, here's an example:

400+ HP CaseIH Tractor

[www.caseih.com]


Grateful11
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Re: 10-speed transmissions
Posted by: tenders
Date: April 17, 2013 07:27AM
If people understood how complicated automatic transmissions are, they'd drive a lot more conservatively.
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Re: 10-speed transmissions
Posted by: OWC Jamie
Date: April 17, 2013 10:02AM
Mine has a 6 speed and shifts when I do it. smiling smiley

If it's missing a pedal, you're not driving ;)


Good Luck!
Jamie Dresser
Other World Computing
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Re: 10-speed transmissions
Posted by: nwyaker
Date: April 17, 2013 10:24AM
5 speed in my Saturn SC-2 and 38-40 mpg on the highway. Not bad for a 20 year old with over 200,000 miles. Pedals rule !
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Re: 10-speed transmissions
Posted by: Octave Doctor
Date: April 17, 2013 03:53PM
Just the thing for suburban cowboys in their diesel crew cabs--truck driver wannabees.
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Re: 10-speed transmissions
Posted by: Carnos Jax
Date: April 17, 2013 05:04PM
Quote
Grateful11
CVT's can be built to handle extremely high HP, torque and handle extreme duty, here's an example:

400+ HP CaseIH Tractor

[www.caseih.com]

Interesting. Regardless, the implementation in cars have proven otherwise for whatever reason.
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Re: 10-speed transmissions
Posted by: Thrift Store Scott
Date: April 17, 2013 11:22PM
Quote
Grateful11
CVT's can be built to handle extremely high HP, torque and handle extreme duty, here's an example:

400+ HP CaseIH Tractor

[www.caseih.com]
Two questions:
1. What is the normal operating speed of that tractor?
2. What are the recommended service intervals on that transmission?
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Re: 10-speed transmissions
Posted by: Racer X
Date: April 18, 2013 01:18AM
When they can build a modern auto/light truck automatic transmission that can handle 800 lb/ft of torque, then we can talk.
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