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cold_n_wet
Member Since: 05 May 2009
Location: Bergen
Posts: 1509
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While we on the subject - sort off -
HDC or 1st low range
G IDTOOL PRO / Faultmate programing and BAS remaping services in Norway.
Diagnostic for most Land rover vehicles
Land Rover parts and accessories.
Stockist of RLD equipment.
www.praesto4x4.no
D4 gone, missed but replaced with a 110 Puma.
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 29th Sep 2009 11:39 am |
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Stu
Member Since: 08 Feb 2009
Location: Hampshire
Posts: 2423
  
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Both! HDC is gear dependant ie it will go faster the higher gear you select. D3 HSE MY05 Auto
Expo Rack, Club MTR, LR Spots, A Bar, Light Guards, GNVP Sump Guard, GNVP Ladder, Cup Holders, RLD A Bar brackets. Disco3Club stickers, Aux power on Mod
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| 29th Sep 2009 11:51 am |
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Roel
Member Since: 16 Aug 2008
Location: home
Posts: 1215
 
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Additional you can change the HDC speed with the cruisecontrol +/- buttons. Roel
1997 Camel Trophy Disco ex-P101JWK (traded it for a Britains 42101)
1984 90 TD5
2005 G4 Disco 3 BN55WPT
Also member of club MTR
and Club Faultmate
Interested in my 4x4 history see my website: www.mudmachine.webklik.nl
Sorry it's in Dutch and with google translator it gets funny.
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| 29th Sep 2009 12:18 pm |
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Stu
Member Since: 08 Feb 2009
Location: Hampshire
Posts: 2423
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Roel is right, although I don't know what happens if you don't have cruise control?
I suspect it is set at the pre set speeds for each gear and can't be changed. D3 HSE MY05 Auto
Expo Rack, Club MTR, LR Spots, A Bar, Light Guards, GNVP Sump Guard, GNVP Ladder, Cup Holders, RLD A Bar brackets. Disco3Club stickers, Aux power on Mod
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| 29th Sep 2009 2:06 pm |
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Roel
Member Since: 16 Aug 2008
Location: home
Posts: 1215
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I don't know either, I never have driven a D3 without Cruise controll. I have driven severall D3's. I have been a LRDE instructor, but LRDE Holland only has fully loaded HSE's. So I don't even know how a D3 manual drives. Roel
1997 Camel Trophy Disco ex-P101JWK (traded it for a Britains 42101)
1984 90 TD5
2005 G4 Disco 3 BN55WPT
Also member of club MTR
and Club Faultmate
Interested in my 4x4 history see my website: www.mudmachine.webklik.nl
Sorry it's in Dutch and with google translator it gets funny.
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| 30th Sep 2009 10:08 am |
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Iain G
Member Since: 31 Jan 2009
Location: Filey
Posts: 430
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D3's without CC react to throttle pedal position to control speed. TBH I thought all D3's worked like this as well as the function supported by the super luxurious cruise control.
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| 14th Jan 2010 9:12 pm |
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ad15
Member Since: 14 Dec 2008
Location: up that tree
Posts: 4866
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Quote:Traction control versus diff lock
traction control 88
differential lock 108
diff lock wins...  one wife.......livid
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| 14th Jan 2010 9:35 pm |
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mattgreen
Member Since: 15 Sep 2009
Location: Worksop
Posts: 211
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cold_n_wet wrote:While we on the subject - sort off -
HDC or 1st low range
G
Both I'd say - I think of it this way, low 1st (or 2nd) stops the vehicle speeding up in the first place because of the engine braking effect. HDC will slow down the vehicle if it's going too fast i.e. if engine braking isn't sufficient.
So it's probably safer to not go too fast in the first instance as there's no guarantee that HDC (i.e. the brakes) will slow you down enough if there's too little friction. That said, HDC, becuase it operates on each wheel independently (like ABS) is quite refined and will 'find' whatever friction is there.
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| 15th Jan 2010 10:06 am |
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Iain G
Member Since: 31 Jan 2009
Location: Filey
Posts: 430
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Also engine braking can be too much, if all 4 wheels start to lock up solely due to engine braking HDC can't work as it's only resource is to apply more braking. You should be feeling the HDC kick in at least a little on steep decsents to know that it has the 'spare' braking capacity at it's disposal. Make any sense?
If you find yourself gainig speed whilst skidding down applying throttle can help. This will not stop the HDC working it just gives it a higher speed to aim for.
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| 15th Jan 2010 2:48 pm |
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mattgreen
Member Since: 15 Sep 2009
Location: Worksop
Posts: 211
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Iain G wrote:
If you find yourself gainig speed whilst skidding down applying throttle can help. This will not stop the HDC working it just gives it a higher speed to aim for.
Additionally, and it's really weird when it happens, giving a little throttle stops the wheels skidding - they speed up and keep up with the forward sliding speed of the vehicle and can regain traction - at which point the extra traction has a braking effect as tyres dig in.
Like I said, it's weird when it happens, I've done it on steep mud slopes, hit the gas and you slow down!
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| 15th Jan 2010 2:58 pm |
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