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Nice Accord

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Discussion starter · #1 ·
Can't find that info anywhere.

Also, FYI Car and Driver listed the gear ratio range on the CVT as 4.12:1 to 0.63:1 with an axle ratio of 3.24

I realize the CVT is set up to return good mpg and will keep rpm's low under casual driving, but can anyone comment on how the engine responds when you keep your foot in it? Is it easy to keep the revs up with the cvt? I love the sounds of Honda I4s working hard.

Before anyone says get a manual, I've had my share, imports and domestic, now I'm too lazy to shift for myself, but I want to make sure I can spin up the I4 with the CVT.

Thanks
 
What do you mean by "type?"

I Googled "Honda CVT" and found plenty of info. In that info, I saw "G Design shift"

I then Googled "Honda G Design shift CVT" and found some more info.
 
the rpm would go up when pushed .

here some info on it from Honda .

Continuously Variable Transmission (CVT)
The Accord 4-cylinder's available new Continuously Variable Transmission (CVT) offers smooth and predictable gear ratio transitions and excellent acceleration matched with efficient low-rpm cruising. Available in all 4-cylinder Accord LX, Sport, EX and EX-L models, the CVT has a wider ratio spread than a 5-speed automatic transmission found in the previous-generation Accord 4-cylinder models. This results in strong acceleration performance coupled with reduced engine rpm at high road speeds. The highly efficient operation of the CVT contributes 10-percent towards greater overall fuel efficiency, compared to the prior 5-speed automatic transmission.

The CVT is comprised of a torque converter that drives two variable-width pulleys connected by a steel belt. With its angled inner faces, the belt can circle the angled pulley faces at varying diameter depending on the pulley width, which alters the effective ratio between the pulleys. Since there are no steps in the pulley faces, the range of possible gear ratios is essentially infinite. This ultra-fine control of the gear ratio is the key to the CVT's greater efficiency over a conventional automatic transmission with a limited number of discrete gear ratios. Instead of approximating the correct ratio for the conditions like a conventional automatic does, the Accord CVT can precisely select the optimum ratio from moment to moment without steps or slippage.

Computer control of the transmission allows the ratio between the pulleys to be altered almost instantly to best suit the driving conditions and accelerator pedal setting. A planetary gearset allows the transmission to shift between forward and reverse operation, and a variable-flow oil pump optimizes flow to the transmission's moving parts while minimizing the load on the engine. Compared to the previous generation 5-speed automatic transmission, the CVT has more compact dimensions, fewer parts and a higher torque capacity.

CVT Automatic Modes
The transmission can be operated in two different fully automatic modes with the console-mounted straight-gate shifter. The D mode is ideal for most driving situations, and combines fuel efficiency with smooth operation and responsive power when needed. The S mode is for more performance-oriented driving, and features more aggressive transmission mapping to keep engine rpm higher for greater acceleration and response.

G-Design Shift Feature
The Accord CVT is designed to provide the optimum gear ratio for the driving conditions, and to offer a more natural driving feel than some previous CVT transmissions that may have something of a disconnected "rubber-band" feel compared to a conventional automatic transmission.

The Accord CVT has special G-design shift logic that is designed to offer more immediate acceleration response than either conventional automatics or other CVT designs. When abruptly applying power from a steady-state cruising speed, the Accord CVT immediately sends power to the drive wheels while simultaneously adjusting the gear ratio (seamlessly and progressively downshifting) to smoothly bring the engine to its horsepower peak in a linear way.

By comparison, a conventional automatic is slower to respond and loses time making multiple downshifts. Since the automatic transmission has a limited number of separate, discrete ratios, even when fully downshifted, it can only approximate the optimum engine rpm as speed increases. This cuts into acceleration.

Compared to other CVT systems, the Accord CVT offers stronger acceleration response with a linear build in engine rpm that avoids much of the "disconnected" or "slipping" feeling some drivers notice with other CVTs. G-design shifting logic gives the Accord a more linear and sporty driving feel.

S-Range Control
To allow the driver to alter the operation of the CVT, the console-mounted gear selector includes an "S" or Sport mode that provides a sport-shift schedule that delays upshifting for more available power, and provides greater engine braking.

Steering-Wheel Mounted Paddle Shifters
Whether in D or S mode, special transmission logic programming allows the use of the steering-wheel-mounted paddle shifters, which are standard on the Sport (CVT) trim of the Accord Sedan and all CVT equipped Accord Coupes. When the driver operates the steering wheel-mounted paddle shifters while in Drive, the transmission responds to the driver's shift command by selecting one of the available seven fixed ratios, and then returns to its normal fully automatic Drive mode if further paddle shift inputs are not made within a short time. This special logic makes it easy for the driver to command a quick downshift without leaving the convenience of Drive mode.

When in S mode, use of the paddle shifters puts the transmission into full manual mode that remains until another mode of operation is selected with the console-mounted shifter. The paddle shifters allow the driver to select among seven fixed gear ratios. When in manual mode, if the engine redline is reached the Accord will automatically shift to the next gear ratio to avoid engine damage. It will also shift down to an appropriate lower gear ratio if necessary.

http://www.hondanews.com/channels/honda-automobiles-accord/releases/2013-honda-accord-powertrain
 
Based on the above description of the CVT operation in a Honda, all of the CVT models should get the Sport's paddle shifters and functions. It would be the best of both worlds.
 
Discussion starter · #7 ·
Thanks for the replies, lots of good info here. I have a decent understanding of how a cvt works, from what I see it looks like the accord has the variable diameter pulley VDP style http://en.wikipedia.org/wiki/Continuously_variable_transmission

I think "G design" is a marketing term. I'd like to know how Honda's cvt varies from other's mechanically, but that might be tougher to find out.

Thanks for the hondanews link. It looks like the LX sedan will have "S" mode but no paddles with the 7 fixed ratios like the Sport gets.

I'll keep browsing to find more real life driving impressions with the cvt.

Thanks to all.
 
my sister leases an altima with cvt and i test drove the accord and can say first hand, hondas cvt is a lot smoother. the cvt doesnt feel forced to change gears like the altima,imo.
 
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