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Supacat



Member Since: 16 Oct 2012
Location: West Yorkshire
Posts: 5145

United Kingdom 2013 Defender 110 Puma 2.2 XS DCPU Keswick Green
POLAR 3

Never heard any mention of this before...but it seems it's been in the pipeline for quite a long time

"The Land Rover Defender may also come with the eight speed dual clutch transmission and this is perfect for off the road driving. Right now the system has been given the name of POLAR 3 and it is able to deal with 442 torque."

http://www.autoomobile.com/news/2019-land-.../40041209/



Click image to enlarge


Article with more detail here - http://passenger.lubrizoladditives360.com/...ns-to-dct/ and here - http://www.carmagazine.co.uk/car-news/tech...uary-2016/

"The POLAR 3 demonstrator vehicles were developed with the collaboration of Drive System Design (manual) and Ricardo (DCT automatic). Land Rover is confident that POLAR 3 will be more efficient than current off-road drivelines, but the company is giving nothing away when it comes to the final design or the initial production applications for the transmission. One guess might be the all-new Defender “pure” Land Rover, due in 2018. This would provide the ideal platform to demonstrate the off-road benefits of the DCT."

Post #588102 28th Dec 2016 9:30am
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NormanD



Member Since: 12 Aug 2011
Location: Bristol
Posts: 204

England 2015 Defender 110 Puma 2.2 USW Santorini Black

That looks to be a substantial investment NormanD WE191

2015 110 XS Utility
2014 VW Caravelle 180 Executive

Post #588111 28th Dec 2016 9:53am
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DSC-off



Member Since: 16 Oct 2014
Location: North East
Posts: 207

United Kingdom 2015 Defender 110 Puma 2.2 XS CSW Aintree Green

At last, a bit of news that could result in a better performance off road.
Access to the whole range of 8 ratios, from "crawl" to overdrive, without having to use a transfer box. This should be seamless and never get caught in the wrong range.

Towing heavy trailers, set off in the lowest gear and away you go!

Off road. Dual clutch, almost instant changes, would be great for changing down a gear on tough climbs, or dropping a gear or two for better engine braking without it running away in between.

Of course it will be all electronically controlled, mega complicated and tied into stability control, traction control, and a new generation terrain response. But unlike anything else they've rolled out this has the potential to work better off road.

Now, how about some locking diffs??? Wink

Post #588495 29th Dec 2016 6:28pm
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NormanD



Member Since: 12 Aug 2011
Location: Bristol
Posts: 204

England 2015 Defender 110 Puma 2.2 USW Santorini Black

Interesting reading - http://passenger.lubrizoladditives360.com/...ns-to-dct/ also - http://www.sae.org/magazines/pdf/15ADESP12.pdf page 7 NormanD WE191

2015 110 XS Utility
2014 VW Caravelle 180 Executive

Post #588508 29th Dec 2016 6:51pm
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NormanD



Member Since: 12 Aug 2011
Location: Bristol
Posts: 204

England 2015 Defender 110 Puma 2.2 USW Santorini Black

Just wondering, would this fit a Puma and resolve the Intermediate Shaft issue? NormanD WE191

2015 110 XS Utility
2014 VW Caravelle 180 Executive

Post #588518 29th Dec 2016 7:17pm
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