Weight displacement, front and rear axles

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Re: Weight displacement, front and rear axles

Post by johnnyxs on Wed Oct 12, 2016 11:09 pm

samleeds wrote:The scooter will be 85kg, the rack weighs 25kg and the distance from wheel to center of the rack will be aprox 5ft

assuming your wheelbase is 3320mm I make the following new axle loads but its late and I'm tired so check my math
T    total weight  2650kg
F   front axle 1140kg
R    rear axle 1510kg
W    wheelbase   3320mm?
O    overhang   1524mm 
F=[L x (0/W)]
[105 x ( 0.25 ) ]
new F =   1375 - 26.25kg

new front axle load 1348kg

R + L + (F - new F )
1475 + 85 +25 + ( 1375 - 1348)

new rear axle load  1612kg 
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Re: Weight displacement, front and rear axles

Post by johnnyxs on Wed Oct 12, 2016 11:16 pm

PLOUGHLIN wrote:Weight added to rear axle will be 110x(1+(5/wheelbase in ft)) kg
Weight off to front axle will be 110x((5/wheelbase in ft)) kg

But if you are already overloaded on the rear it makes no difference what it is, you can't add it.
interesting equation.......
 mixing metric and imperial measurements in the same formula hugegrins that will definitely confound VOSA up!
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Re: Weight displacement, front and rear axles

Post by -mojo- on Wed Oct 12, 2016 11:22 pm

I'm not sure any of that helps if he is already over the rear axle limit!

If you can establish whether A/S specified or fitted themselves any uprated suspension components (I strongly suspect that they did not) then you can figure out the front and rear axle limits from here:

http://www.vwt4forum.co.uk/showthread.php?t=42054

As far as I can see, none of the pre-1996 have a rear axle limit greater than 1460kg, so it looks like you're stuffed unless someone like SVTech is willing to re-plate it to higher axle loads. In your position I would give them a call (for no other reason than they will probably have access to the best data on what your current limits are), but I would think the chances of getting another 110 kilos on the back axle are minimal.
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Re: Weight displacement, front and rear axles

Post by mikethebike on Thu Oct 13, 2016 8:28 am

I am amazed that vehicles were produced with blank plates.
Has someone removed the original plate?
I am sure its a legal requirement to have a plate with axle loads ,even if they are wrong! 

Micky
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Re: Weight displacement, front and rear axles

Post by mikethebike on Thu Oct 13, 2016 8:32 am

Hi Samleeds.
                  What is the revenue weight in your V5   reg details.

Regards

Micky
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Re: Weight displacement, front and rear axles

Post by samleeds on Thu Oct 13, 2016 8:52 am

mikethebike wrote:Hi Samleeds.
                  What is the revenue weight in your V5   reg details.

Regards

Micky
Micky I cant answer that as the V5 docs have not been returned to me yet. I only have the small green bit from the bottom. I am waiting for the DVLA to post me this new doc in my name and hopefully it might have some info on it.

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Re: Weight displacement, front and rear axles

Post by johnnyxs on Thu Oct 13, 2016 9:21 am

-mojo- wrote:I'm not sure any of that helps if he is already over the rear axle limit!

 
we don't know that for sure. winks

I would be very surprised if the weight limits supplied were correct.
There is no loading plate attached to the vehicle so its all speculation at the moment.

I am reasonably certain of one thing . AutoSleepers would not have built and sold a campervan that was overloaded or didn't have a reasonable extra weight allowance. They had been in business too long even back in 1993.

First thing that is needed is a genuine loading plate from a contemporary clubman of the same age or a vehicle specification

I don't know if there is anything of use on this site perhaps.

Here is a huge list of transporter model specifications http://www.anchorvans.co.uk/specifications/volkswagen/transporter/


Last edited by johnnyxs on Thu Oct 13, 2016 9:57 am; edited 1 time in total
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Re: Weight displacement, front and rear axles

Post by samleeds on Thu Oct 13, 2016 9:56 am

johnnyxs wrote:
-mojo- wrote:I'm not sure any of that helps if he is already over the rear axle limit!

 
we don't know that for sure. winks

I would be very surprised if the weight limits supplied were correct.
There is no loading plate attached to the vehicle so its all speculation at the moment.

I am reasonably certain of one thing . AutoSleepers would not have built and sold a campervan that was overloaded or didn't have a reasonable extra weight allowance. They had been in business too long even back in 1993.

First thing that is needed is a genuine loading plate from a contemporary clubman of the same age or a vehicle specification
Absolutely correct, I have just got off the phone with Mark and Peter from autosleepers and they are both flumaxed. We all agree that the only hope is for someone with a similar petrol engine clubman to send me the details of their weight plate if theirs is printed. Im waiting. lol.

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Re: Weight displacement, front and rear axles

Post by johnnyxs on Thu Oct 13, 2016 9:58 am

have a peruse of this you might find something useful. I know absolutely nothing about Transporters I'm afraid.
http://www.anchorvans.co.uk/specifications/volkswagen/transporter/
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Re: Weight displacement, front and rear axles

Post by -mojo- on Thu Oct 13, 2016 11:09 am

johnnyxs wrote:
I am reasonably certain of one thing . AutoSleepers would not have built and sold a campervan that was overloaded or didn't have a reasonable extra weight allowance.

I don't think you can be certain of that. From the info the OP has, the allowance is Ok but it's the rear axle that is a constraint - but this is not unusual on a van like the Clubman, because A/S puts lots of the built-in heavy stuff right at the back.

As I suggested above, for the cost of a phone call I would call SVTech when your V5C is back and see what they know about the vehicle, and what options there may be for plating/replating. They are experts on the subject, and there is (potentially) something in it for them, so they are likely to put more than just a token effort into helping you.
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Re: Weight displacement, front and rear axles

Post by johnnyxs on Thu Oct 13, 2016 11:17 am

-mojo- wrote:
johnnyxs wrote:
I am reasonably certain of one thing . AutoSleepers would not have built and sold a campervan that was overloaded or didn't have a reasonable extra weight allowance.

I don't think you can be certain of that.
fine have it your way mojo. You are right everyone else is wrong hugegrins

I'm certainly no intention of getting into an argument with you ...life is too short winks
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Re: Weight displacement, front and rear axles

Post by NORGIL on Thu Oct 13, 2016 11:50 am

My Clubman has a very heavy full body width towbar with rear extension for towing a boat, a bike rack and 2 bikes, leisure batery under the sink on rear wall plus stuff in the cupboards and still stayed under the rear axle limit when I had it on the weighbridge a few weeks ago. It seems really odd that yours shows so heavy at the back.

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Re: Weight displacement, front and rear axles

Post by -mojo- on Thu Oct 13, 2016 6:51 pm

johnnyxs wrote:
fine have it your way mojo. You are right everyone else is wrong

I think if you re-read the thread you would have to conclude that nobody is right or wrong here - we are all just speculating, based on incomplete info.

My point is that A/S do actually manufacture vans with very poor remaining payload once the conversion is complete (if you don't believe that, look at the spec sheets for some of their bigger vans), and some of their conversions genuinely do put a lot of the heavy leisure items at the back, meaning that the back axle on that type is always the one that's closest to the limit.
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Re: Weight displacement, front and rear axles

Post by samleeds on Fri Oct 14, 2016 6:56 pm

Job done.....Gareth from SV Tech solved the issue. My front axle should have a max of 1510kg and the rear of 1490kg. Max GVW of 2810kg. I moved some stuff forward and  am now well inside the max on both front and rear and total. Thanks all.

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Re: Weight displacement, front and rear axles

Post by PLOUGHLIN on Fri Oct 14, 2016 7:05 pm

johnnyxs wrote:
PLOUGHLIN wrote:Weight added to rear axle will be 110x(1+(5/wheelbase in ft)) kg
Weight off to front axle will be 110x((5/wheelbase in ft)) kg

But if you are already overloaded on the rear it makes no difference what it is, you can't add it.
interesting equation.......
 mixing metric and imperial measurements in the same formula hugegrins that will definitely confound VOSA up!
Dimensionless bracket. hugegrins

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