HDC Variable speed

CountyV8 · Dec 2, 2022

Hi All

Just picked this up from Facebook I take it via the cruse control buttons .

"Great day today at the Glanusk test drive proper off-road course, this time a lot of the overhead panel buttons worked as well as the diff locks, hill descent was a a eye opener as not seen it fitted with speed altering button before allowing you to increase or decrease descent speed."

"No it is the left hand button on the wheel, very intuitive and so effective"

DaveB · Dec 19, 2022

CountyV8 said:
Hi All

Just picked this up from Facebook I take it via the cruse control buttons .

"Great day today at the Glanusk test drive proper off-road course, this time a lot of the overhead panel buttons worked as well as the diff locks, hill descent was a a eye opener as not seen it fitted with speed altering button before allowing you to increase or decrease descent speed."

"No it is the left hand button on the wheel, very intuitive and so effective"

I had that on my Mazda bT50.
With HDC on you adjusted the speed with cruise control buttons on wheel

Krabby · Dec 19, 2022

Interesting. I have not heard much about the HDC at all but people have raved about how the truck will gradually walk itself down in 1-low.

Shaky · Dec 19, 2022

New Landrover vehicles have it and my Amarok can be adjusted using the brakes or the accelerator. If I brake I can take it down to about 1mph when I let off the pedal or accelerate at I can make it go a bit faster.

I find it quite handy tbh, so will appreciate something a bit more refined on the IG

DaveB · Dec 19, 2022

Krabby said:
Interesting. I have not heard much about the HDC at all but people have raved about how the truck will gradually walk itself down in 1-low.

I put it in 4L 1st gear manual last Saturday on a damp slippery reasonably steep hill and feet off the pedals it drove slowly down at never lost grip at all.
That was in the diesel so really good engine braking
Vehicle behind me did it in 4H and had to use the brakes all the way down.

Tazzieman · Dec 20, 2022

DaveB said:
I put it in 4L 1st gear manual last Saturday on a damp slippery reasonably steep hill and feet off the pedals it drove slowly down at never lost grip at all.
That was in the diesel so really good engine braking

If you can do what the test pilot does at 20 seconds in , down a hill , I'm impressed. I'm not easily impressed btw.

DaveB · Dec 20, 2022

Tazzieman said:
If you can do what the test pilot does at 20 seconds in , down a hill , I'm impressed. I'm not easily impressed btw.

Pretty damned impressive what that machine can do without all the fancy electronics it's replacement has today

Tazzieman · Dec 20, 2022

DaveB said:
Pretty damned impressive what that machine can do without all the fancy electronics it's replacement has today

Apart from the slowness and racket inside , I've never found my series 3 less than able!
When you consider where they took them across all continents , it's a testament to the engineering and robustness.

DCPU · Dec 20, 2022

Shaky said:
New Landrover vehicles have it

Wasn't it first introduced on the Freelander? It was actually a third party system (Bosch?) but JLR called it their own.

CountyV8 · Dec 20, 2022

Tried it on a recent test drive with the grenadier and it worked very well no drones and creates like in other LR products

emax · Dec 20, 2022

Tazzieman said:
If you can do what the test pilot does at 20 seconds in , down a hill , I'm impressed. I'm not easily impressed btw.

And all done with white collars and ties

The the poor guy in the back is bouncing around like a superball.
Mr. Bean would have put a chair on the bonnet and tied ropes to the wheel.

Krabby · Dec 20, 2022

DCPU said:
Wasn't it first introduced on the Freelander? It was actually a third party system (Bosch?) but JLR called it their own.

That is my recollection as well, since the Freelander had no low box. It's a neat system and one that is now on trucks and SUVs across the globe (including my GMC 1500). But, JLR's electrics are sketchy at best, so I am glad I've never relied upon HDC to get me out of somewhere steep.

MrMike · Dec 24, 2022

HDC isn't that impressive IMO especially if you can drive properly to the conditions, HAC......well that would be fantastic IF the IG has it, I did hear it did at one stage but haven't seen or heard anything lately.

bigleonski · Dec 24, 2022

MrMike said:
HDC isn't that impressive IMO especially if you can drive properly to the conditions, HAC......well that would be fantastic IF the IG has it, I did hear it did at one stage but haven't seen or heard anything lately.

Yeah I posted on the the other day - the brochure says it has hill assist but I couldn’t see a button anywhere.

DCPU · Dec 24, 2022

"Uphill Assist, meanwhile, automatically holds the Grenadier in position
after the driver releases the handbrake, and provides added safety when tackling steeper
terrain."

From the press kit April 22.

Eric · Dec 24, 2022

MrMike said:
HDC isn't that impressive IMO especially if you can drive properly to the conditions, HAC......well that would be fantastic IF the IG has it, I did hear it did at one stage but haven't seen or heard anything lately.

It had it, and was demonstrated, on the PTO2 that I drove at Floors Castle in Scotland a few months ago. To be honest I can't remember were the switch is but was clearly marked.

MrMike · Dec 24, 2022

Eric said:
It had it, and was demonstrated, on the PTO2 that I drove at Floors Castle in Scotland a few months ago. To be honest I can't remember were the switch is but was clearly marked.

Thanks Eric, good to know

MrMike · Dec 24, 2022

DCPU said:
"Uphill Assist, meanwhile, automatically holds the Grenadier in position
after the driver releases the handbrake, and provides added safety when tackling steeper
terrain."

From the press kit April 22.

Up hill assist would be different from HAC as it doesn't hold it, it actively moves the car forward

Eric · Dec 24, 2022

MrMike said:
Thanks Eric, good to know

Items for off road use are on the overhead panel. But when you want to find the photos you can't! But in respect of you first comment, I have had Discoverys with HDC for more than 20 years, and you could count on one hand the number of times I've used it because of necessity

Mr. Largo WINCH · Dec 24, 2022

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HDC Variable speed

CountyV8

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