Wednesday, March 28, 2012
Saturday, March 24, 2012
The car i always dream of.....
Last two days i was exited to watch Top Gear on youtube. This one video show the powerful cars including Ferari, Aston martin, Lamborghini, Bently and others.. FYI, since Secondary school i have learn about Ferari and Lomborghini i was introduce by one of my teacher as fast and exclusive cars brand. Since then i always dream to see one of that live.
After time passed away, i seen that lively those cars lively on the road or cars exibition and my interest goes to new powerful cars. Then i found out the fastest car ever bulit! Bugati veyron! Besides, i havent meet this car yet on the road or anywhere else in Malaysia. How unfortunate. huhu. I dream to get this car or at least test drive on the road. The video below keep my dream boil and boil again. :-(
Mintaining your clucth disc
Riding or driving in a correct practice can reduce technical problem from your machine. For example driving in correct way can help maintaining you clutch disk. Here some newbie technical review about bike disc or also known as clutch plate.
First let's take a look at the thing first.
So what this thing do? This clutch disc cover with frictional meterial that goes between flywheel and pressure plate. During engagedment of clutch this is squeezed between flywheel and pressure plate and power from engine transmited by disc's hub to input shaft of transmission. Refer here for more. You can refer to the below picture
Here i list some of factors that can cause cltch disc failure:
source : http://www.autoclutch.co.nz/causes-of-clutch-disc-failure-xidc87938.html
First let's take a look at the thing first.
So what this thing do? This clutch disc cover with frictional meterial that goes between flywheel and pressure plate. During engagedment of clutch this is squeezed between flywheel and pressure plate and power from engine transmited by disc's hub to input shaft of transmission. Refer here for more. You can refer to the below picture
Here i list some of factors that can cause cltch disc failure:
- Incorrect gear selection of a low gear while driving at speed
causes the driven plate to accelerate instantaneously to a speed far in
excess of the facing burst strength due to the multiplication of the
rotation speeds of the Gearbox and or Differential Ratios. The driven
plate rotation
speed is independent of the engine speed.
- The clutch disc exceeds its facing burst speed limit while the
clutch is disengaged for gear selection, and when the clutch is
re-engaged the facing can disintegrate completely. The Facing material
becomes entwined and bound amongst the Pressure Plate (cover assembly)
componentry and restricts the correct operation of the Clutch cover
and its components.
It is not possible for the driven plate material to disintegrate while it is firmly clamped between the pressure plate and the flywheel.
Disintegration can only occur while a clutch is disengaged or slipping due to do faulty adjustment proceedure during installation.
- Mis-Shifting a gear while driving at speed can also cause the
plate to accelerate past its facing burst strength as per the previous
paragraphs 1 & 2.
- Tow-Starting or push starting a vehicle while in low Gear can
cause increased rotation of the driven disc and also cause the facing
material to tear away from the clutch backing plates when the clutch is
suddenly engaged.
- Repeated harsh clutch engagement at high engine RPM can also cause
the facing material to break away from the Backing plate or damage the
clutch hub the stop pins-and blow out the compression springs causing
compete clutch disc failure.
- Excessive clutch slippage while driving causes the facing
materials to overheat resulting in disintegration and failure of Clutch
Disc and Pressure plate assemblies due to contamination from the facing
materials.
- Simply dropping a clutch disc on the floor prior to or during
installation can impact and easily crack the facing material after a
short operational period.
- Fitting a clutch to a vehicle which has had an engine performance modification which exceeds the designed torque ratings of the clutch and Clamp loading of the pressure plate will also cause Premature clutch failure.
source : http://www.autoclutch.co.nz/causes-of-clutch-disc-failure-xidc87938.html
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