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Disco 3 gets stuck in a wet field
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riverblanche
 


Member Since: 31 Aug 2010
Location: retford'ish
Posts: 1228

England 

Thanks Robbie ^ Thumbs Up

ISTR along the lines of,

as the car detects wheel spin and applies a brake to stop it and divert the drive,
it can also reduce your forward motion, keep the momentum but may get more wheel spin

When ever I want to practice all this Before I need it Whistle swmbo just glares at me for playing Laughing
 .
Life advice. Always pick up the stick in the Middle !!

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Post #20259646th Feb 2019 12:53 am
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DG
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Member Since: 12 Dec 2005
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Don't forget that DSC is never really switched off Whistle
  
Post #20259676th Feb 2019 1:09 am
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RDR
 


Member Since: 24 Mar 2013
Location: Derbyshire
Posts: 1979

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

AT tyres will help but only a little, been stuck many times on wet grass in our paddock and most memorably Clumber Park where a ranger had to pull us off using a tractor - we were up to the Hubs by the time I gave up Embarassed

Trick is the getting started as the Disco's trickery can sometimes play against you if your not aware of what it's doing. If I'm getting nowhere I have had success by putting the rubber floor matts under the wheels the car quickly senses the slightest traction on a wheel and directs drive so you just need the matt wedged under the edge of the tyre. Once you start to move DO NOT try and accelerate until you have decent momentum otherwise it may dip the power.

As others have said, wet grass is the worst and you cant beat physics no matter what 4x4 you're in.
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Post #20259756th Feb 2019 7:25 am
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robpenrose
 


Member Since: 12 Jan 2016
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United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

D&G wrote:
https://youtu.be/qsoWChXebqA


That winching operation didn’t look very clever
 

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Post #20259856th Feb 2019 8:56 am
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AndrewS
Tarquin of the Desert 


Member Since: 06 May 2005
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DG wrote:
Don't forget that DSC is never really switched off Whistle


Agreed when competing in Morocco in Discovery 3's and driving the sand dunes in Macontierra (not sure if thats spelt correctly) we very soon realised that the DSC does not switch completely off. If the car detects severe body roll it will back the power off.
You very quickly learn where the DSC parameters are and drive under them.

Not sure why pressing the DSC or Dynamic Stability Control switch will help when the vehicle is sat spinning motionless in a grassy field?

Getting the TC to react is the key, if all 4 wheels are turning at the same speed the TC has no idea that the car is motionless, by applying power hopefully you will make a wheel spin faster than the others, the TC will then kick in and hopefully you will start making progress.

Standard or off road tyres may or may not make a difference no more than two different standard tread patterns will. If you are lucky at that moment in time if the type of mud suits your tyres you wont have a problem.
The only reason I use off road tyres is they have a stronger side wall. I have seen cars with standard worn tyres get further than a car with aggressive off road tyres. Its all about understanding whats going on and technique.
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Post #20259896th Feb 2019 9:24 am
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Erea
 


Member Since: 19 Mar 2012
Location: Munster
Posts: 1404

Ireland 2006 Discovery 3 TDV6 Commercial Manual Zambezi SilverDiscovery 3

Years ago we learnt to drive in my fathers cortina in the fields. If a wheel started to spin we would pull the handbrake and it would act as a diff lock and lock up the rear axle and away we would go 👍
  
Post #20259966th Feb 2019 10:07 am
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A.J.M
 


Member Since: 31 Oct 2009
Location: Airdrie
Posts: 2678

Scotland 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

As others have said, if there is no traction, you ain’t moving.

However, your route may or may not help.
We all generally like to take the most direct route for stuff, if you walk the field to see which areas are soft and which ones aren’t, you may be able to link up a route to avoid the worst areas.

I’ve had to recover my old bosses D3 and trailer from a field a few times because they hadn’t got the lines right and bogged. Firmer ground and Duratracs on mine helped get them free again.

In general, I turn DSC “off” for off road stuff I feel I would need the benefit of not having it slap the wrist.

I’ve also been sat there, all 4 wheels slowly turning, going nowhere and the cars electronics still trying to make it move. Laughing
  
Post #20259986th Feb 2019 10:19 am
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DG
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Member Since: 12 Dec 2005
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TOPix wrote:
DSC uses the brakes and powertrain torque control to
help maintain the lateral stability of the vehicle. While
the ignition is on the DSC function is permanently
enabled unless selected off by the DSC switch. Even if
DSC is deselected, driving manoeuvres with extreme
yaw or lateral acceleration may trigger DSC activity to
assist vehicle stability.


As well as never quite being off ..we must remember that DSC is really designed to deal with lateral forces ...and you have to reach the threshold of those lateral forces for it to intervene.....if you are sat stationary in a field with 4 wheels spinning then it shouldn't reach anywhere near that threshold ...whereas if you had managed to get moving swiftly but say sideways ...then it might. Smile
  
Post #20260016th Feb 2019 10:39 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 5461

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi

Apologises asking a daft question

Does it ever help to select low in these circumstances , turning DSC off, or wouldn’t it make a blind bit of difference plse

Thks as always Bow down
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Post #20261026th Feb 2019 3:10 pm
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Robbie
 


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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

It's always worth a try, especially if you find yourself robbed of power or find power and momentum is lost with yaw.

Range selection is another topic, especially if gradient or towing is involved.
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Post #20261826th Feb 2019 8:06 pm
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Erea
 


Member Since: 19 Mar 2012
Location: Munster
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Ireland 2006 Discovery 3 TDV6 Commercial Manual Zambezi SilverDiscovery 3

Of course if you are properly stuck and need to get out on your own steam you could tie a piece of timber to a wheel, but make sure the ropes don’t catch on the brakes.
Click image to enlarge



Or here is a YouTube of it in action

  
Post #20261906th Feb 2019 8:49 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 5461

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Robbie wrote:
It's always worth a try, especially if you find yourself robbed of power or find power and momentum is lost with yaw.

Range selection is another topic, especially if gradient or towing is involved.


Hi

Many thks as always Bow down
 MY 2005 -D3- TDV6-Java black -Auto
**** D3 - Sticker ****
T- Max Split charge system
Egrs blanked
Dash Clock
3x indicator flash
Belts and upgraded oil pump cover

Retrofitted Front electric seats-( removed seat memory ECU and made up new seat loom so constant power to both seats )
D4 steering wheel stalks
D4 steering wheel with cruise 
 
Post #20262176th Feb 2019 10:10 pm
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Gareth
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Member Since: 07 Dec 2004
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

So today, I found myself on an empty ice covered car park! Mmmm donuts I thought 👿

First attempt with normal operation was most disappointing. Just a lot of noise and grinding from the TC doing its best to melt the brakes.

Then I selected Sand mode and disabled the DSC. I got going then applied full lock and a boot of acceleration, the results were very satisfying. Managed to get it doing a number of 360 turns with the car staying roughly on one spot. The TC was still applying some brake, but it was letting it go a little bit.

Brakes were smokin afterwards though!

NB Private car park, and if my Blackvue wasn’t knackered I’d show you a vid!
  
Post #20262256th Feb 2019 10:36 pm
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Hardware17
 


Member Since: 28 Jun 2016
Location: Manchester
Posts: 4108

England 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

I carry some remnants of the big plastic bread delivery trays I found at side of the road. ( honest ) ... weigh Censored all and take up very little space but are ideal for this scenario. Also used them in the past to stop VX Carlton sinking through the grass at a friend's caravan.

Another trick is to throw a tow rope under a wheel.
 Dean.
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Post #20262266th Feb 2019 10:48 pm
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