Hi welcome to RideToNirvana. Some things that life has given me and I am so greatful to share them with others. There are somethings that make us diffrent from others and give us our identity ,Then we find people with similar notes and it becomes music. Most of it is dedicated to Himachal , The Himalyas, Rock Music and other things that matter.

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Monday, March 19, 2007

Trying to capture...

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People and Portraits.


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Wednesday, March 14, 2007

Metallica - Unforgiven

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The song talks about a child who is learning to live life
according to the rules. He tries to please everybody around him
and never shows what he wants or thinks. By the time he
gathers himself to face the world he is already an old man
deciding to die with the regret.
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Here are the lyrics.
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New blood joins this earth
And quikly hes subdued
Through constant pain disgrace
The young boy learns their rules

With time the child draws in
This whipping boy done wrong
Deprived of all his thoughts
The young man struggles on and on hes known
A vow unto his own
That never from this day
His will theyll take away

What Ive felt
What Ive known
Never shined through in what Ive shown
Never be
Never see
Wont see what might have been

What Ive felt
What Ive known
Never shined through in what Ive shown
Never free
Never me
So I dub the unforgiven

They dedicate their lives
To running all of his
He tries to please them all
This bitter man he is
Throughout his life the same
Hes battled constantly
This fight he cannot win
A tired man they see no longer cares
The old man then prepares
To die regretfully
That old man here is me

What Ive felt
What Ive known
Never shined through in what Ive shown
Never be
Never see
Wont see what might have been

What Ive felt
What Ive known
Never shined through in what Ive shown
Never free
Never me
So I dub the unforgiven

You labeled me
Ill label you
So I dub the unforgiven.

Monday, March 12, 2007

Inside on 4X4




What makes a 4WD a 4WD?
Four wheel drive vehicles come in all shapes, sizes and body styles with different types of features and equipment. However, there are several basic functions that all 4WDrives have in common.

Drivetrain

A 4WD can be a constant 4WD, part-time 4WD or both. An example of a constant 4WD is a Range Rover. It is always in 4WD and cannot select 2WD at all. A Toyota Tacoma is an example of a part-time 4WD, which means that it can switch between 2WD and 4WD.

A Mitsubishi Pajero is an example of a 4WD that can be both a constant 4WD and a part-time 4WD. It can select 2WD, constant 4WD and locked 4WD. The difference between the Patrol and the Pajero is that the Pajero has a center differential. A center differential allows 4WD to be used on normal roads (constant 4WD) and can be locked for off-road use (part-time 4WD). The "axle/transmission windup" text below explains why a part-time 4WD cannot be driven in 4WD on the bitumen.

Axle/Transmission Windup

When a 4WD is traveling in a straight line all four wheels rotate at the same speed, but during cornering each wheel travels at a different speed due to the radius of the turn. All vehicles have a differential on the front and rear axles to allow the wheels on the same axle to rotate at a different speed. Constant 4WD’s have a central differential fitted to allow for different speeds between front and back wheels, but most part-time four wheel drives do not.

When a part-time 4WD (without a center differential) is in 4WD an attempts to corner on bitumen, all wheels need to rotate at different speeds, but without a centre differential they cannot. This creates the phenomena called "axle windup" or "transmission windup". High strain is placed on the drive shafts and transmission, eventually causing one of two things to happen. Either one of the wheels slips or spins to overcome the stress or the drive-shaft/transmission breaks. This is why part time 4WD’s should never select 4WD on paved surfaces.

Constant 4WD’s have a central differential within the transmission to overcome this problem. However once in the dirt a constant four wheel drive can be bogged with only one wheel spinning. This is why they have a central differential lock that stops the action of the center diff and makes it like a part-time four wheel drive in 4WD mode. The center diff lock should never be used on paved roads or non-slip surfaces for the reasons mentioned above.

In reality, a 4WD is only a two wheel drive with one front and one back wheel driving when traction is lost. One wheel on each axle spins while the other receives no drive at all due to the action of the differential. The exception to this is when a limited slip or locking differential is installed. A limited slip diff allows a limited amount of drive to be applied to the stationary wheel before the other wheel on the same axle spins. A locking diff allows no slip at all and both wheels on the same axle turn at the same speed, regardless of the amount of traction.

High/Low Range

To enable a 4WD to travel at lower speeds while traveling on rough terrain it needs lower gear ratios. Not all 4WD’s have low range gearing and this restricts their ability to tackle rough terrain. However 4WD’s that lack low range gearing are generally not built for severe off-road conditions or sometimes have a "crawler" 1st gear to compensate for the lack of low range gearing.

The high range ratios in 4WD mode are the same as the gear ratios in 2WD. When low range 4WD is selected, the gear ratios are approximately half that of high range, although the exact ratio varies for each vehicle manufacturer.

For example this means that if an engine speed of 3000 rpm in high range fourth gear is 65 mph, then in low range at the same engine speed and the same gear, the speed would be around 30 mph.

Some points to note about low range gearing are:

You cannot select low range in 2WD mode in most cases.

You do not have to use low range as soon as you put the vehicle in 4WD, but only if the terrain requires it.

On most vehicles you have to be stationary when changing from high to low range, check your owners manual for your particular vehicle.

A handy hint when reversing with your vehicle while towing is to select low range 4WD to be able to move very slowly without having to slip the clutch. However you can only do this if you have a constant 4WD or your part-time 4WD is fitted with free-wheeling hubs AND they are not locked in, otherwise you will cause transmission windup.

Free Wheeling Hubs

If your vehicle is fitted with free wheeling hubs, you will need to lock them in before selecting 4WD. The free wheeling hub connects the front wheel to the front axle allowing it to be driven when four wheel drive is selected.

Free wheeling hubs are fitted to reduce wear on the front diff and drive shaft, and to (marginally) help improve fuel economy when it is in 2WD. Permanent 4WD's do not have free wheeling hubs as they are always in 4WD and need the front wheels to be permanently connected to the axle.

If you select 4WD without the freewheeling hubs locked in, then you will only be in 2WD, even though the 4WD dash light indicator (if fitted) will show 4WD. Even experienced 4WDrivers make this common mistake of forgetting to lock the freewheeling hubs.

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