Jack Knife Lorry

chaversdad:

DAF95XF:

SuperSmiley:
Everytime there is snow…loads of lorries jacknife…any practical advice to try and avoid this happen…and what tends to happen to the drivers…when they do this…i.e…is that frown upon by bosses and the police or just accepted as one of those things…in other words…is it seen as somewhat the drives fault…going to fast for conditions etc…etc■■?..I thought of this due the one that was blocking the A! near Bigglewade today…(according to Five Live)

Its because they drive like lunatics and then brake hard, like the idiots last night :unamused:

but then i would class the idiot truck drivers doing 30mph in 2 inches of snow down the A19 as lunatics, if you dont like it stay in bed and let those who want to get on get going

You’ve got two lanes on the A19 so just pass them, whats the problem with someone going slow in snow on the A19? There’s a big problem here in general though and its mental telepathy. Yeah, mental telepathy, sounds mad doesn’t it? What it is is that when the guy in front is going to slow for you the you just need him to go quicker and when he charges off into the distance and leaves you behind he’s a bit of a nutter. So, how to communicate with the driver in front? Well i know i shouldn’t advertise here, but what you need is Derren Browns book (it would make a good christmas present), he’s into all that making people do what you want them to do without saying anythig and you’ll find it a good read. Good luck !!!
Oh, and here’s a question for you. If i see someone going what i percieve as to fast ,and he jacknifes infront of me and goes into a hedge, should i spend my own time on ringing the emergency services for him or stopping and wasting my time on him or should i just leave him to it and carry on in my own little world cause i want to keep going?

I guess this may sound a bit weird to some of you, but then others will possibly know exactly what I mean when I say that you drive by the “seat of your pants”
You know exactly what your vehicle is doing because you are getting feedback through yer arse and this makes it so much easier to drive…Bit like when you are in an aircraft and if you concentrate, you can feel the plane pitching, swaying and going in all sorts of directions…

at 4 this morning mike there was only 1 lane open, if i had a bit of weight on i would of been in the outside lane and gone but with 3 ton on it was just a bit too twitchy in the deep snow, i suppose i may not have put my point across very well but some of the driving this morning really was dangerously slow, 30mph on the brakes off the brakes, 40 mph back on the brakes, there was just no need for it, and whats with driving on the centre line just because its snowing :unamused: anyway on the plus side all this snow has made my garden look as good as next doors :laughing:

att:
I guess this may sound a bit weird to some of you, but then others will possibly know exactly what I mean when I say that you drive by the “seat of your pants”
You know exactly what your vehicle is doing because you are getting feedback through yer arse and this makes it so much easier to drive…Bit like when you are in an aircraft and if you concentrate, you can feel the plane pitching, swaying and going in all sorts of directions…

It sounds wierd to me because the feed back you expect from any other vehicle like a car or bike is based on the feed back between you, your suspension and the road. The feedback from a lorry goes…you/your cab to chassis/chassis to suspension and then road. You don’t have the same feedback in a truck. And unless you have a lot of hours to practice skidding in a truck on a track you will never be able to master the art of taking a truck to its extremes like you can do with a car. So yeah i understand what you mean by driving by the seat of your pants in my car, if you use that same concept in a truck then good luck to ya !!!

chaversdad:
at 4 this morning mike there was only 1 lane open, if i had a bit of weight on i would of been in the outside lane and gone but with 3 ton on it was just a bit too twitchy in the deep snow, i suppose i may not have put my point across very well but some of the driving this morning really was dangerously slow, 30mph on the brakes off the brakes, 40 mph back on the brakes, there was just no need for it, and whats with driving on the centre line just because its snowing :unamused: anyway on the plus side all this snow has made my garden look as good as next doors :laughing:

Hey don’t get me wrong, they do my nuts in too when they’re going slower than i can go !! I just hit the cruise control and quote Tony Blair…“i’m doing the right thing”!!! :smiley:

Mike-C:

att:
I guess this may sound a bit weird to some of you, but then others will possibly know exactly what I mean when I say that you drive by the “seat of your pants”
You know exactly what your vehicle is doing because you are getting feedback through yer arse and this makes it so much easier to drive…Bit like when you are in an aircraft and if you concentrate, you can feel the plane pitching, swaying and going in all sorts of directions…

It sounds wierd to me because the feed back you expect from any other vehicle like a car or bike is based on the feed back between you, your suspension and the road. The feedback from a lorry goes…you/your cab to chassis/chassis to suspension and then road. You don’t have the same feedback in a truck. And unless you have a lot of hours to practice skidding in a truck on a track you will never be able to master the art of taking a truck to its extremes like you can do with a car. So yeah i understand what you mean by driving by the seat of your pants in my car, if you use that same concept in a truck then good luck to ya !!!

The differences in feedback are compensated for…No, thats not the right explanation, I guess it would be something like…You have your tyres, they are damped by the suspension, the messages transfer into the chassis and then the cab is also damped…Then you have the feedback from your trailer that is fed into the pin, that is also damped by the cab suspension and the seat suspension, once you have understood all this feedback through various damping methods, then you can make decisions, you can feel the rool, the slide, the lack of traction etc…Not rocket science is it. :unamused:

att:
…Not rocket science is it. :unamused:

Not to me its not. But i dont drive by the seat of my pants and i hav’nt rolled one over. How come people roll them over do you reckon?

i know what you mean att, if the drive axles starts to kick out a bit i can certainly feel it in the “seat” then back off the gas and a bit of opposite lock, same as driving at speed in deep snow , i can feel when it starts to spin without looking at the rev counter and back it off accordingly, even in todays modern trucks i think there is still qiuet a lot of feedback throught the controls

Mike-C:

att:
…Not rocket science is it. :unamused:

Not to me its not. But i dont drive by the seat of my pants and i hav’nt rolled one over. How come people roll them over do you reckon?

I have rolled an off road racer at speed and a trialler at a very low speed, it is all about centre of gravity, it would be so easy to roll a truck if you did not know about this, combine that with the capacity for the load to move and you have a very easy roll over, even more so if you fail to allow for the camber of the surface on which you are travelling, so you have several factors that can facilitate a roll over situation, fail to recognise one and you are in deep recyclable material, fail two and it just compounds itself…It`s all back to physics again.

chaversdad:
i know what you mean att, if the drive axles starts to kick out a bit i can certainly feel it in the “seat” then back off the gas and a bit of opposite lock, same as driving at speed in deep snow , i can feel when it starts to spin without looking at the rev counter and back it off accordingly, even in todays modern trucks i think there is still qiuet a lot of feedback throught the controls

Exactly…You just know what ‘normal’ feels like, as this is what you do for 99% of the time, so when anything ‘feels’ a little out of the ordinary, you compensate accordingly, you may not know how you do it, as you just do it…Bit like riding a motorcycle (as I do) you look where you want to go and the body does the rest of it for you, if you are looking into the ditch, that`s where you will go.
I feel that we underestimate what we are capable of when it comes to driving responses and if we went with what the Government wanted us to do, then there would be a lot more fatalaties on the roads…The human being is a species that is capable of many more calculations in a split second than any computer in the world, and when you couple that with senses…Well, the sky is your limit really.

chaversdad:

DAF95XF:

SuperSmiley:
Everytime there is snow…loads of lorries jacknife…any practical advice to try and avoid this happen…and what tends to happen to the drivers…when they do this…i.e…is that frown upon by bosses and the police or just accepted as one of those things…in other words…is it seen as somewhat the drives fault…going to fast for conditions etc…etc■■?..I thought of this due the one that was blocking the A! near Bigglewade today…(according to Five Live)

Its because they drive like lunatics and then brake hard, like the idiots last night :unamused:

but then i would class the idiot truck drivers doing 30mph in 2 inches of snow down the A19 as lunatics, if you dont like it stay in bed and let those who want to get on get going

if you remember last year though chaversdad,the ones who wanted to get going ended up across the central reservation,stopping every one else who wished they were still in bed from going anywhere at all.my truck by design is not that great in the snow unlike say a fully loaded tipper,i have an ever present fear in the snow of losing control and not being able to control and end up on top of a few cars.

but then i would class the idiot truck drivers doing 30mph in 2 inches of snow down the A19 as lunatics, if you dont like it stay in bed and let those who want to get on get going
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I always think theres a lot of one upmanship when driving in poor conditions…people moaning about others that wont go as fast as they think they should…the best thing to do is drive at the speed that YOU are comfortable with if the guy behind doesnt like it then let him come past when its safe to do so…maybe he is just better than you in these conditions…I had a Bartrums come by me in the snow tonight on the A140 …my 40 mph wasnt fast enough for him…he was obviously more comfortable than me at 50 mph…nothing to be ashamed of IMO

Blissy:
but then i would class the idiot truck drivers doing 30mph in 2 inches of snow down the A19 as lunatics, if you dont like it stay in bed and let those who want to get on get going

I always think theres a lot of one upmanship when driving in poor conditions…people moaning about others that wont go as fast as they think they should…the best thing to do is drive at the speed that YOU are comfortable with if the guy behind doesnt like it then let him come past when its safe to do so…maybe he is just better than you in these conditions…I had a Bartrums come by me in the snow tonight on the A140 …my 40 mph wasnt fast enough for him…he was obviously more comfortable than me at 50 mph…nothing to be ashamed of IMO
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Bartrums subbie? Talkin to one yesterday, all he did the whole time was rant on about drivers doin 30 when he wanted to do 40! Personally, each to their own. Although, i did come across a car driver on the A47 18:00 last night, clear visability, no snow, and this fella was doin 40. Causin chaos!

Mr Vain if thats the A47 in Peterborough i don’t blame him, its like an ice skating rink and the roads have not been gritted at all.

All i saw yesterday was Lorry’s in lane 2 lol overtaking cars who were driving to the condition of the road but i tell ya what though, it half did wonders for my petrol for a 250 mile round trip. I done a half of a tank in my focus on a 250 mile round trip which is good for a 1.6 petrol

chaversdad:
but then i would class the idiot truck drivers doing 30mph in 2 inches of snow down the A19 as lunatics, if you dont like it stay in bed and let those who want to get on get going

I dont know about you but Id rather get to where Im going late than not at all :wink:
I drive to the conditions rather than to the tight schedules most companies run to :wink:

Blissy:
I always think theres a lot of one upmanship when driving in poor conditions…people moaning about others that wont go as fast as they think they should…the best thing to do is drive at the speed that YOU are comfortable with if the guy behind doesnt like it then let him come past when its safe to do so…maybe he is just better than you in these conditions…I had a Bartrums come by me in the snow tonight on the A140 …my 40 mph wasnt fast enough for him…he was obviously more comfortable than me at 50 mph…nothing to be ashamed of IMO

Blissy I think you hit the nail on the head there :wink:
Besides it was my first time driving an artic in the snow :open_mouth:

shuttlespanker:

ady1:
my advice these days would be to lie,lie ,lie, telling the truth is a really bad move,youll get sacked,no doubt, blame the foreigner who cut you up, the ambulance that cut across your bows, the lurcher chasing the rabbit, anything but the truth

are you talking from personal experience or just talking out of your ■■■■■■?

it all depends on the circumstances of the accident

falt out into a sharp bend in the snow/ice, yes, there is a possibility of getting the sack, but if you are careful, slow and steady (tachograph will be able to prove this), there is no reason for you to get the sack

yes personal experiance, ive seen blatant liers keep there jobs,wheras the lads who have held there hands up and said its there fault got the bullit.
ask them what course of action theyd take next time :exclamation: :exclamation: ,being a hero doesnt pay the bills.

Sorry if this is a dumb question, but I’ve never driven an artic so:

So what if you do jackknife ? So long as you dont hit anything, cant you just drive on when you come to a stop. Or am I missing something ? :grimacing:

Often it slews so far round that there is accident damage caused to the cab by the the trailer hitting it.

Think of a pivot point just behind the cab, the trailer is trying to push the pin to the front, in order for the pin to be at the front (leading) the cab obviously needs to be facing completely backwards, but its preventing from getting that far when it comes into contact with the side of the trailer.

Not hit something? At the point where the unit is at 90* to the trailer it takes up AT LEAST 2 lanes width. Pretty good chance of collecting something along the way.

Next time you see a new tractor unit loaded backwards on the back end of a delivery transporter, you’ll get the picture more.

Someone, possibly a driver trainer somewhere, told me that the best way to “get out of” a jackknife was to gently ease the parking brake on as soon as you felt things start to happen, as opposed to doing the gut reaction and stepping harder on the foot brakes…

Not convinced myself, but fortunately have never been in a situation where i have had to think about it.