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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018   
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Interesting technology and it looks like JLR are the 1st to get it on a production SUV vehicle. Who else uses it?
 Click image to enlarge "The new Range Rover Sport will ‘sponge’ up road noise following the homologation of the Pirelli Noise Cancelling System (PNCS) for certain models. Pirelli will supply its PNCS-equipped P Zero as the vehicle’s original equipment 22-inch summer fitment; the tyre maker reports that the Range Rover Sport is the first SUV to be fully homologated with the Pirelli noise reduction system, and the first Land Rover product to receive the PNCS as original equipment. The PNCS reduces the noise that each tyre produces as it runs along the road. This noise, caused by the vibration produced by air that is compressed when the tyre presses against the road, is transmitted from the tyre to the wheel hub before eventually reaching the cabin via the steering and suspension. Pirelli’s system makes use of a polyurethane sponge on the inside of the tyre. This is designed to absorb these vibrations and therefore reduce the amount of noise passed through to the cabin. According to Pirelli, the PNCS reduces noise by between two to three decibels without effecting the tyre’s other characteristics. Range Rover Sport models fitted with the size 275/40R22 108Y XL P version of the Pirelli P Zero will receive the PNCS as original equipment. All tyres using this system have the letters ‘PNCS’ displayed on the sidewall to denote its use. In addition, this tyre has the Land Rover ‘LR’ marking so that dealers and consumers alike know that the tyre is tailor-made for Land Rover. “We have a good relationship with Land Rover and it’s great to be homologated on another of their prestigious vehicles,” commented Pirelli UK managing director Dominic Sandivasci. “Our original equipment and R&D teams work very hard to develop products that meet all manufacturer’s needs and we’re delighted that Land Rover has decided to use the Pirelli Noise Cancelling System on the Range Rover Sport.” http://www.tyrepress.com/2015/06/range-rov...ng-system/ |
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9th Jun 2015 7:08am |
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| YOLO110 Member Since: 14 Feb 2015 Location: Perth Oz and Stansted UK Posts: 1642 
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Well, if that works that is brilliant!
Electric cars will then be almost silent too! YOLO... You Only Live Once... |
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9th Jun 2015 7:20am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 
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Whilst this technology is in it's infancy perhaps, with the reduction stated and the fact most tyres seem to fall within the 60-75 decibel range I wonder if it is really worth it. Bet they come at a hefty premium for the sidewall to include the 'PNCS' lettering too! If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! |
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9th Jun 2015 8:25am |
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| ken Member Since: 18 Aug 2009 Location: Banging Birds with my bitches !! Posts: 4328
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Been on Audi for a while
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9th Jun 2015 9:26am |
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| need4speed Member Since: 23 Nov 2012 Location: Kilmarnock Posts: 746 |
Much ado about nothing. Complete gimmick..
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9th Jun 2015 9:57am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610
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^
Agree! For those with more money than sense I feel! If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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9th Jun 2015 10:00am |
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| ken Member Since: 18 Aug 2009 Location: Banging Birds with my bitches !! Posts: 4328
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Surely a must for any Defender
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9th Jun 2015 10:09am |
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| farmer giles Member Since: 09 Feb 2011 Location: worcestershire Posts: 1299 
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what's louder SATs or 200 tdi?
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9th Jun 2015 11:02am |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6605 
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Pardon?
1988 90 Td5 NAS soft top
2015 D90 XS SW |
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9th Jun 2015 11:28am |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347 
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200Tdi every time, Especially if you turn the radio on
 Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197
Self confessed mileage hunter  |
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9th Jun 2015 11:39am |
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| Simon27 Member Since: 30 Oct 2012 Location: East Lothian Posts: 131  
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Would this be anything like the white sponge 'inner tube' that I found inside an old lorry tyre on a beach once? I couldn't work out why it was there.
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9th Jun 2015 8:45pm |
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