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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...

Makes total sense to me - I think its a great benchmark test, very well thought out to be simple and repeatable, yet give good data. I cant do anything about the inevitable variation between different people's tests, but I can make sure its minimised within my tests to make them as repeatable...

Hi I have now got a working VCU for the first time for me! I'll do the test this week sometime I saw here, but just checking benchmark setup is still same: - One rear wheel up (I will do the RHS one, nearside for me, offside for most of you guys) - 32 mm socket on hub nut with ratchet or bar...

Done! This was the oil glop that came out of just the expansion bottle (there was more than this in the bottom hose when I first took it off!): NB Most of below from advice of the amazing Nuno Sousa of LandFree garage - he only does Freelanders...

Now to work out how to clean all the gloopy thick oil out of the water system without Amaco Cadiz-ing my garden Once I get the worst of it out I will put LIDL dishwasher tabs in to clean it out, but its the initial clean out that I'm not sure about. If I was over a proper oil and residue drain...

Adapter on left, cooler on right. I reckon it was the cooler gasket as cooler face is s bit corroded, but glad I took both off

Thanks @pwood999!