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BANGKOK 18 January 2019 14:35
webfact

Brake failure! Bus plows into cars, bikes and baht bus at Pattaya lights

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if  only they  had  had  a speed  camera,  that would have sorted  this  all  out for sure.

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On 12/5/2018 at 11:16 AM, Vacuum said:

I don't believe him!

me neither.....I been driving for over 40 years.....many kinds of vehicles NEVER HAD brake failure....SPEED looks like caused the bad accident....gears SLOW vehicles down and also applying the hand brake can stop a vehicle...even TURNING off the engine too

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27 minutes ago, essox essox said:

me neither.....I been driving for over 40 years.....many kinds of vehicles NEVER HAD brake failure....SPEED looks like caused the bad accident....gears SLOW vehicles down and also applying the hand brake can stop a vehicle...even TURNING off the engine too

Any vehicle near salt water/aka seawater  (Gulf of Thailand, etc) will experience brake line failure (welded tubular steel lines most common on all vehicles) .  I've seen it and experienced it in the USA - Corrosion is not your friend, when it comes to brake lines.  

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23 minutes ago, RicUSA said:

Any vehicle near salt water/aka seawater  (Gulf of Thailand, etc) will experience brake line failure (welded tubular steel lines most common on all vehicles) .  

So thats it then,  It was brake failure. case closed.

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On 12/5/2018 at 5:25 PM, varun said:

If I got a penny for every time a brain-dead Somchai said "brake failure",

I'd have a truckload of pennies by now!

But do the RTP ever check the brakes when they claim failure ?

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25 minutes ago, brling said:

So thats it then,  It was brake failure. case closed.

Didn't say that this case was brake failure - just replied to essox who said he never experienced brake failure in over 40 years.  I have and have seen it happen from corroded brake lines

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On 12/5/2018 at 7:54 PM, samsensam said:

 

the passengers are well aware of their driver's behaviour but lack the backbone and/or common sense to do anything about it.

Once on an overnight bus trip ( My last)from Buri Ram to Pattaya the driver kept nodding off and i kept waking him until he threatened to put me off at a lonely spot. I ignored him and just kept doing the same.

 

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3 minutes ago, Huckenfell said:

But do the RTP ever check the brakes when they claim failure ?

Very interesting question, but i would guess that would be a task of the insurance inspectors.

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25 minutes ago, RicUSA said:

Didn't say that this case was brake failure - just replied to essox who said he never experienced brake failure in over 40 years.  I have and have seen it happen from corroded brake lines

Would magical if all the lines would fail at the same time.

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6 minutes ago, Vacuum said:

Would magical if all the lines would fail at the same time.

Exactly.  and was "RicUSA"  the bus driver, or just the apologist for the driver ?

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On 12/5/2018 at 11:13 AM, webfact said:

The bus driver Thanawat, 50, said his brakes failed. 

Technically he's right... the brakes indeed failed to stop the bus in time when he stepped on them about three seconds before impact. 

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On 12/7/2018 at 11:10 AM, Vacuum said:

Would magical if all the lines would fail at the same time.

Doesnt take "all the lines".   Brakes work by fluid pressure, It only takes one small crack in one supply line or wheel cylinder and all the brake fluid leakes out pushing down on the brake pedal.  Once the brake fluid is gone you have no more brakes 

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4 hours ago, RicUSA said:

Doesnt take "all the lines".   Brakes work by fluid pressure, It only takes one small crack in one supply line or wheel cylinder and all the brake fluid leakes out pushing down on the brake pedal.  Once the brake fluid is gone you have no more brakes 

Buses have air brakes.

 

https://www.europeanbrakingsystems.co.uk/history

 

Air brakes normally have a fail-safe system that automatically applies the brakes when air pressure is lost. So in theory a brake failure would involve an actual failure of the physical contact between the pads and the drums/disks. That would be quite unlikely on all wheels at the same time.

 

Also buses generally use engine braking extensively, and retarders.
https://en.wikipedia.org/wiki/Retarder_(mechanical_engineering)

 

I dont know to what extent any of these are fitted to Thai buses though, but it may be that the driver was using the brake pedal extensively rather than the other braking techniques, and that the brake pads failed as a result.

Edited by KittenKong

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