Fair enough But 5 seconds difference between results for different VCUs is a completely different thing to 5 seconds between results for the same VCU.

I have same issue, now on all four doors after driver's stopped working yesterday, all lock but none unlock. Do you have a part number for a 5 door F1 (2001) and or a good supplier, please? Cheers

To give some idea of how (in)accurate my method is: @Hippo : 6.1 kg gives 25 s, so my prediction for 10 kg is 15 s, his actual 10 kg value is 12 s, 'error' = 3 s @mrblockpaving: 6 kg gives 7 s, so my prediction for 10 kg is 2.4 s, his actual 10 kg value is 2.4 s, 'error' = 4.6 s (but timing...

@seraphin 's results also show a linear trend with 1/time Only 3 points so not conclusive but pretty good https://www.landyzone.co.uk/land-rover/vcu-torque-test-results.109486/post-2207348

Simplifying all the above, I think that: 1. to convert (roughly) tests done for a stick of 1.2 m (or any other length) with a weight of 5kg to be able to compare them (at least roughly) with tests done with a 1.2 m stick (or any other length as long as its the same) BUT with an 8kg weight we...

Yes, I think we can see the effects of friction etc in the non-linearity of the 1/t vs weight graphs at the most lowest weights (<5kg) , but at higher weights they seem to be less significant which makes my method seem OK for 'scaling' OWUT results between different weights and lengths That is...

If I do the same thing for @mrblockpaving 's results https://www.landyzone.co.uk/land-rover/vcu-torque-test-results.109486/post-2229514 I also got linear behaviour for weight verses 1/time, especially between 5 and 10 kg. His was a slack VCU with fast times meaning any errors in timings will...

That's because the plot above is time vs weight, NOT one over time (1/time) vs weight. I wouldnt say that graph is linear anywhere And yes, it would be nice to be able to investigate the behaviour under operating conditions and torques and rotations etc, but that is pretty much impossible so...

No, you are right, it is not linear with time, but not far off linear with 'N' in RPM (1/time) These are Hippo's results plotted as 1/time vs Weight: Its not linear, but not far off, I think near enough for very rough back of fag packet comparisons, especially between 5 & 10 kg R-squared =...

what would you say these were for 1.2m and 8 kg? From my ramblings here a pretty good 'engineering assumption' would be that weight (W) x stick length (L) should roughly be proportional to 1 / time for OWUT so if we do the test on the same VCU with weight W1, and then with a different weight...

Well, I tried to find a wet grassy slope in Summer in my part of Portugal and no luck :) But joking aside, thanks for the advice from all I went out yesterday looking for a sandy slope and found some 45 degree banks which I pretty easily climbed up onto with some very limited front wheelspin...

I have some scaffold boards in the garage, a couple of half ones too. I am going to cut them to the longest length that fits sideways in the boot on the floor (since they are 9" wide, 120 cm long will fit laying down flat) and screw 3 or 4 of battens to the bottoms (offset so the boards fit more...

Thanks! I started looking for Maxtraxx, recovery boards, sand ladders, waffle boards, and it quickly got out of hand in terms of both price and choice Since I am not about to disappear into deepest Africa for years at a time, I am not looking into investing heavily in this Any reasonable...

Hi, When people say to lower tyre pressure for sand, I get why, but what is 'low'? I usually put 31 psi (2.1 bar) in my Uniroyal Rallye 4x4 streets 20 psi? 15 psi? 25 psi? I know not to drive on tarmac at lower pressures I also read that knobbly tread isnt good on sand so my Uniroyals might be...

It was @mrblockpaving https://www.landyzone.co.uk/land-rover/vcu-torque-test-results.109486/post-2229514 "Just fitted newly recoditioned Vcu from Bell Engineering, less than 50 miles ago," "8kg= 3.6 sec" Doesnt say if it were 1.2 m bar or not, if it was 1 m then it would be enve quicker than...

Still not sure I have a problem. I did see one set of results somewhere in this thread of 4 seconds for a new VCU with 8 kg but I couldnt see how long the bar was, and cant find it again

Re-did test in 1st, then Reverse, then 4th. Even tried it anticlockwise as well No difference - under 2 seconds Temp here hasn't been very hot today, max 25 C I didn't drive before tests So no problems with overloading the drivetrain, but how could I check if 4x4 is kicking in? It does 'feel'...

Well, ..... I was going to video ...... But it took approx 2 seconds :oops: So, as I was on my own, no time to get video going (and no need anyway) and I had to use the highly accurate '1 elephant, 2 elephants ...' method :D 1.2 m (40 x 25 mm pine batten) 8 kg (sand in 5l can, weighed on...

this will do for now until I find one

Hi, I found some very old posts on this but need to source one (actually 2 for a spare) of these as the pin contactor has finally broke after years of having to repeatedly bend it up I just need the holder and wire it in, but can buy the pair (indicator plus stop/tail) with connector if required...