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Josh S

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Posts posted by Josh S

  1. 3 minutes ago, ChrisW said:

    I’m not sure that’s the case:

    - The Rubicon transfer case is 4:1…you’ll be spinning the engine and transmission really fast when running at average speeds

     

    - The Rub’s transfer case is also meant for rock crawling…running it continuously at higher RPMs and power will likely cause it to prematurely fail. 
     

    That’s not to say that when conditions call for it (certain climbs, recoveries etc), then it makes sense - but full time general sand driving will probably trash the transfer case or other parts prematurely. 

    Yes, I am aware the Rubicon is not suitable for four low which I mentioned earlier, so perhaps I should be changing my car or changing my transfer case as I am struggling to see this is a technique issue since it is related to RPM and torque. This of course contradicts all that has been previously said on this thread about for low being unnecessary, even at an expert level.
     

  2. 9 months and 40 drives into the world of off-roading (and without doubt, the best hobby I’ve ever had) I thought compelled to bring the thread back from the dead with a few additional thoughts and questions!!

    I have recently been driving with some experienced convoys in Sweihan. It’s a different kettle of fish compared to the drives in Sharjah and has a lot of switching, higher speed crests and larger climbs. Everyone drives in 4L other than me as my Rubicon doesn’t allow for it  

    When it comes to reaching the crest, and either riding it or switching, we tend to be travelling around 40-50km/hr which is right on the red line of 1st. It’s important to keep high RPM here but being so close to red line means there’s little room to blip the throttle if I need to. Meanwhile, if using 2nd gear at the same speed, the RPM is much lower and the torque feels substantially less than I am used to in first, and does not feel like enough, especially if the speed drops a little or the sound is very hot and slippery. As such, neither 1st or 2nd feels right. (Note, I have chosen to drive manual as I find it more enjoyable and engaging than auto).

    So my question is, would this be an example where 4L would provide more control leading up to, and on the crest, as the gears are shorter and I’d have much more torque to play with at the same speed, or is this down to wrong technique? I find myself thinking it’s a 4H issue as nobody else in the convoy appears to struggle with the RPM/Torque and they are all in 4L  

     

  3. 15 minutes ago, Naveen Raj said:

    For rubicon the speed is limited to 45kmph in 4L as the chances of breaking the transfer case is high on high speeds due to 4:1 ratio, it's basically a rock crawler. The sport and Sahara trims  can go upto 85kmph in 4L and those who drive in 4L says they feel more  confident due to better  control and  instant torque delivery when needed. Those who drive rubicon in 4L at extreme level have  their transfer case changed to  2.71:1 or they choose to drive in 4H if its the stock one. 

    I used 4L on my Rubicon in Sweihan the other day, I got up to about 45/50 kmh, however I am nervous to do this too much as I understand it puts a lot of stress on the car.  Can the transfer case / gear ratio be changed cheaply.

  4. 14 minutes ago, Gaurav said:

    The more Auto you use, Auto will learn off-road shifting as well more intuitively.

    In general, I use 90% Auto, but I know my Pajero gearbox is different than many newer ones.

    For most cars, Including wranglers: For a long hill climb, start with second and once you start the climb, shift to first before your revs drop below 3 to 3.5K RPM. In this approach, you gain with the momentum of second gear and climb 20-40% of the climb in second gear and then use first gear power - all the way up, as high as it goes.

    In Liwa, Qua, Wagan humungous dunes, you can start with third gear and follow by second and first.

    Very interesting approach. I never thought about it in this “reverse” way, but understood that shifting on a climb is not ideal as you lose all your torque. Perhaps that’s when starting in first and shifting up to second as you max the RPM of first. 

  5. And if I do get to a large dune that I just can’t get up in 4H, then I guess I have no choice but to engage 4L.. (for example today on a climb I almost didn’t make it in 4L - any higher I would have needed to turn down, whilst others were okay in 4L). 
     

    Also, totally understand the argument for sponsored clubs and there being an incentive to damage cars, but confident this isn’t the case with those I drove with). 

    Finally, any thoughts on additional throttle control in 4L. Being able to blip the throttle if in a drifting situation or some soft sand to help correct yourself? I find I’m usually very high up the rev range in 1st, but if I’m in second probably won’t have enough torque. 

    • Like (+1) 1
  6. Hi All,

    My brain is about to explode regarding the 4H and 4L debate. Two of the clubs I drive with (Carnity one of them) swear by 4H, and the other two swear by 4L. Specifically, the senior Marshalls (200+ drives)  on these other drives state that whilst 4H is absolutely fine for junior/newbie drives, once you get onto much more challenging dunes, 4H will struggle to get up the steep soft dunes, and the 4L extra torque is really important when you need to correct yourself, as you need instant torque. Ultimately, by all means drive in 4L but you may just keep having to re attempt obstacles. 

    As it so happens I have a wrangler rubicon where the transfer case isn’t really geared right to get any speed, however I drove in 4L today and it was absolutely fine in 4-6th gear.

    Why are there strong advocates for either. If one technique was right and the other one way was wrong, this argument would never exist. I’m an indecisive individual at the best of times so this really isn’t helping. 

    Are there any Carnity drivers that swear by 4L?. Why wouldn’t you drive in 4L? It offers more torque to the wheels which is surely what you want…

    • Like (+1) 2
  7. Thanks for all of your comments, however, I am now even more confused!

    To try and get a clear understanding, once and for all, why would somebody choose to use Auto instead of Part time? If Part time uses 4x4 all the time, surely there are no disadvantages to doing that, whilst there are disadvantages to Auto. ie - if you drive in auto, there may be occasions you need to move to part time, however if you drive in part time, you’ll never need to move to auto  

    I’m getting the impression this is purely down to personal preference and different people will teach in different ways?

    Also @Frederic - what are the requirements to become a Carnity instructor in terms of driving experience and teaching experience? Is there a general level shared across all UAE clubs? Many thanks. 

    • Like (+1) 1
  8. So, I am several drives under my belt now and loving it...

    On my first Carnity drive I was advised to drive my JL in 4H Auto and keep the car in automatic. I did this for 3 drives.

    Over the weekend, I completed a drive with another large, leading offroad club in Dubai (sorry Carnity!) and the lead driver is an active instructor. He told me that I should be driving in 4H Part time + Manual which is the opposite of what I heard in Carnity. Could I please seek clarification?

    Finally, this particular club offers courses in addition to their weekly drives (Beginner, Intermediate and Night). Although I am now 4 drives in and feel confident, the lead instructor advised that anybody would progress significantly faster with a course or two under their belt - learning the exact techniques as opposed to just following.  I had always planned on being self-taught, but if I can become a safer driver, and progress more quickly, it could be a winner.

    Has anyone here participated in a beginner or intermediate course, even after some experience.

    • Like (+1) 3
  9. Hey all, it's controlz here (I changed my display name)!

    By way of update, I settled on a 2021 2dr Rubicon and absolutely love it. Had my first absolute newbie drive on Sunday and very glad about my choice of car. Already doing some basic mods (Apex rapid deflators, flag mount kit, built-in compressor, and finally I have trimmed the bottom of the license plate and moved it to the side, as I have been told by multiple wrangler owners that it will scoop up the sand and I will lose the bumper, so this cheap modification should save me in the long run).

    Can anybody suggest any iPhone Applications that run on CarPlay which may be helpful in the desert?

    Thanks

    • Like (+1) 2
    • Well Done (+2) 2
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