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OTR on 1st January 2011

January 7, 2011 16 comments

Continuing with the previous post here are the pictures of the 1st January 2010.

All the pictures are courtesy Harbeer Singh Chadha.

Same as always the meetup place was Signature Towers NH8.  The meetup time was noon but by the time we guys left Signature Towers it was 15mins to 1PM. From here on I’ll let the pics do the talking

Following are the pics of Bobbie in is, well it used to be referred as the Black Mamba but after painting it yellow, I am not sure what to rename it…

Seen in the following pics Bobbie is eager to check the latest addition to his jeep, the 33” Yokohama MT’s followed by me in my CJ3B in 31” Maxxis Mudzillas being looked upon by eager villagers

IMG_7192

IMG_7204

 

IMG_7198

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2011 starts with a big bang OTR. a glimpse of pics to come…

January 5, 2011 Leave a comment

2011 starts with a big bang OTR. a glimpse of pics to come…

We guys went for another off-roading session on the 1st of January 2011 to,,, well break-in the new year and here is a glimpse of what we did that day.
Over the course of the next couple of days I would be uploading a series of pictures and some videos about that days activities.
Cheers
Harjeev

Posted with WordPress for BlackBerry.

Categories: CJ3B

Big Boots for the small car…

December 15, 2010 4 comments

I’ve been driving a stock CJ3B since the past 2 years. All this while on stock 6.00 X 16 Non Directional Mud & Snow tyres, more commonly known as NDMS Tyres.

Pictures by Sukhpal OTR 20th December 2009 6 Pictures by Sukhpal OTR 20th December 2009 2 Pictures by Sukhpal OTR 20th December 2009 3 Pictures by Sukhpal OTR 20th December 2009 1

Picture curtsy: Sukhpal Khlabanda

Recently I came to know that a friend of mine was disposing off a set of 4 tyres of his vehicle I decided to buy and try them out on my CJ3B.

IMG00407-20101118-2047 IMG00409-20101118-2047 

 

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Slush Fest: NIOC OTR at DND 17th Nov 2010 – Part II

December 7, 2010 1 comment

I am really sorry for delay in posting the second part of the pics and videos. So without further delay heres the second and final set of pictures and videos for that day events.

 

So after negotiating the water on one side of the embankment we headed to the other side of the trail and we could see lots of water and it looked very inviting.

I having completed water crossing on one side, maybe got a little over confident and well… l

DND 101 CJ3B Stuck

 

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Slush Fest: NIOC OTR at DND 17th Nov 2010 – Part I

November 26, 2010 Leave a comment

As the 17th of November 2010 was a holiday due to Id, so some of us from the NIOC gang thought lets get together and go for some off-roading. Having heard lots about the river bank around the DND Expressway (Delhi-Noida-Delhi Expressway) but never been at this track, this place was chosen for the the days excursion. 

Being a holiday we guys took it easy and started the OTR around 11am ish.

 OTR 2010  November 17 DND8

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All about Diff Ratios 4.27, 4.88, 5.38 etc etc etc

July 15, 2010 1 comment

Hey all
This thing is quite confusing for me as well, so I thought that I might as well share some information that I am still trying to understand, for the benefit of all.
I would at present just tabulate the info as and when I get my hands on it and later on I might put it properly.
Most of the info is from teambhp and I would also be posting the relevant link along with the information I update
Also to note is that I would be changing, editing the info on this page from time to time. Therefore overtime the information on this page might change

The difs can be 5.38, 4.88, 4.22, etc

5.38 gives max torque and lower speed.
4.27 gives less torque and more speed comparatively.

Now, your 4.88 is a perfect compromise for speed and torque. However, this suitable for the OE 215/75/15 tyres which are approx 29.5″ in diameter.
Thus, for every rotation of your tyre, your axle moves 4.88 times. Or you can say that your axle needs to rotate 4.88 times to move your tyre by one revolution.
Your 31″ tyres now will cover more ground per revolution. Thus you will get more on-road speed. But, when you come to off road terrain, you will loose power since they axle has to work more to rotate the tyre and also the 31″ tyre is very heavy.

Thus, to come back to the same efficiency as the original 4.88, when you put 31″ tyres, you have to change your dif to 5.38.[/quote]

source

So as per the above I have checked my CJ3B and the diff ratio is 5.38 or 44:8

4.27 is 47/11 and 5.38 is 43/8.

MM540 came with 5.38:1. MM540 / MM550 with XD3P engine came with 4.88:1. Even today, Bolero SLX 4 wheel drive comes with 4.88:1 only.

Source

Let Consider the total Toque Developed including the gearing at each wheel

For KMT-90-4WD & 4.27

(3.986 X 2.46 X 4.27 X 15.5kgm)/4 (no. of Wheels)= 162.2 Kgm per Wheel.

For KMT90-4WD & 5.38 = 204Kgm per Wheel.

The Advantage of 5.38:1 is
1) Better torque on the wheels
2) Better Crawl Speed (Slower the better)
3) compensates the Wheel Speed for taller Tyre (31″)


source

Hi Garrett,

New Tyre OD / Old Tyre OD X Diff-Ratio = Corrected Diff-Ratio

31/28(standard for JEEPs) X 4.88 (standard for XD3P) = 5.40:1

Any thing Lower you will Lower End grunt end and gain Top End speed.

Regards,

Arka

source

I take the CJ3B for another OTR (off the road)….

July 11, 2009 Leave a comment

Hey Guys

Its been a long time since I updated this thread. Barring some petty issues not much has happened since my last update!!!

I took the CJ3B for another OTR on the 21st of June 2009. It was actually a recce off the Bherampur track(not sure whether its Bherambur or Badshapur, I always get confused between the two But this is the track where we take a left from Haldiram on the NH8). Found a really nice extension of the track and this is where we are planning the forthcoming OTR on July 19th. We guys started early in the morning around 6 and were finished around noon!!!

The CJ3B preformed wonderfully never letting me down. Managed to do all the obstacles with relative ease.
I got a flat tyre. Driver side front!!! I guess I dint get them checked after the Faridabad OTR and went to another OTR after that with just topping up the air pressure. So Changed the tyre. A while later Amit’s jeep also had a flat. His 540 was also there at the Faridabad OTR. Now we were 3 jeeps with only 1 spare tyre to go. Luckily the tyres on all were NDMS 6 X 16’s.
We decided that if we get another flat, we’ll head back home as there’s no point taking unnecessary risk’s.

Just before we were leaving, checked up on the water level and just about less than half a pint was added to the radiator. The outside temperature must have been about 44 degrees but felt much more. It was Very Very HOT. The temp gauge was constantly at 60-65 degrees, occasionally rising upto 80 when were driving slowly or were stationary.
This I perfect I guess??? I can now say that the heating issue is resolved for good!!!


















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