 | Home > Puma (Tdci) > ABS/ Traction Control - was it standard on the Puma 2.4? |
 
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| mse Member Since: 06 Apr 2008 Location: UK Posts: 5035   
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Without getting drawn in, left foot braking does work - it was a technique taught in my early days of off roading...now just let the computers do it.
As for the driver aids like ABS, i did think there was a European rule that made it compulsory to fit it, but either way, when i had the puma 90, within 1 day of ownership driving along a country lane and a tractor goes to pull out...classic abs moment, hard brake steer out of the way - it was feet infront of the defender at 40 or 50. Equally in the 110, ive had TC come on whilst driving, no idea what the issue was but it did its job. Finally even before the ESP button you could turn it off, without pulling the fuse, i remember doing it in the puma 90, there was a sequence you pressed the brake pedal i recall. Im sure it was even discussed here back in the day Mike |
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21st Jul 2016 5:00pm |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324 
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Not sure if it's the correct way to think about it but I see each wheel as a circuit, the resistance is the combined effect of the braking force and/or the tangential reaction force on the tyre from the dirt.
Voltage is your right foot, which gets distributed according to the voltage divider circuit/s made by all the different loads. Relatively low resistance with respect to other resistances = high current! (spinning wheel) I think the key term is relatively . Similar stuff going on in hydraulics. Solved the bowel problem, working on the consonants... |
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21st Jul 2016 8:08pm |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971 
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if it's evening it out, it's transferring it.
Not according to my maths. F=μF, that is the frictional force is equal to the coefficient of friction multiplied by the force between the two objects, either a box on a slope or the caliper on the disk. The μ for static is higher than it is for kinetic - that's not me saying that, that's people that know more than me: http://hyperphysics.phy-astr.gsu.edu/hbase/frict2.html
Maybe. I just don't like scenarios I don't understand. I'm a cautious skeptic!  |
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22nd Jul 2016 6:48am |
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| Riccarton Member Since: 10 Aug 2015 Location: Gods' Own Country Posts: 280  
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This is sooo funny
  Basically, there is something that works and you're trying to disprove it with science
Anyway, clearly I'm crap at explaining things so I'm going to leave you with this. The way a conventional diff works means that if one wheel spins while the other doesn't then it spins at twice the speed. Therefore, you are actually quite correct in that there is a sort of torque transfer going on. Therefore if equal braking force is applied to both wheel the one spinning will be affected more than the one that isn't. Incidentally, if you ever get the chance to go on a proper LR off-road day (not the type Ewoks go on  ) they'll teach you to do this - right after the instruction about your thumbs |
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22nd Jul 2016 7:36pm |
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| gabe3105 Member Since: 25 May 2015 Location: Grimsby Posts: 237
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Thread resurrection -
If a base spec vehicle has traction control it has to have ABS. But if a vehicle is advertised as having ABS, will it definitely have traction control too? (ie was it possible to spec a truck with ABS but not TC?) |
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28th Mar 2017 9:53am |
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324
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Since you put it in bold I cant say for %100, but I think it is very unlikely that ABS and TC aren't always a combo on any puma. Solved the bowel problem, working on the consonants...
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29th Mar 2017 10:41pm |
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| gabe3105 Member Since: 25 May 2015 Location: Grimsby Posts: 237
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Thanks, they were my thoughts too, but you never know!
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30th Mar 2017 9:12am |
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| Devon-Rover Member Since: 22 Jan 2015 Location: South Devon Posts: 913 
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For the puma at least then yes if it has ABS then ETC comes as part of the package. The only exception I can think of is the Discovery (1995 - 1998) and Range rover classic 1994-ish where the LSE and other Air sprung models had ETC fitted to the rear, where as the rest ABS was just purely that.
Defender in TD5 onwards the optional ABS came with ETC |
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30th Mar 2017 11:03am |
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| gabe3105 Member Since: 25 May 2015 Location: Grimsby Posts: 237
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Great, thanks for the confirmation
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30th Mar 2017 11:16am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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My 2010 Brochure confirms it.
ABS Comes with Traction control. ABS/TC Standard on XS models, optional extra on everything else. Back to the original post.
The ABS light on the dash will come on when you start up and go out once you get above 5 kmh. So if you have the light come on at start up, you have both ABS and TC fitted. |
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30th Mar 2017 3:35pm |
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