10 Rollovers in 1 month? Nov/011 ROLLOVERS AGAIN ? Yes: 10 in 1 month!

Nov/01 1

10 Rollovers in 1 month?10 Rollovers in 1 month?ROLLOVERSROLLOVERS

AGAIN ?AGAIN ?Yes: 10 in 1 month!Yes: 10 in 1 month!

Nov/01 2

10 Rollovers in 1 month?10 Rollovers in 1 month?

Here they are:Here they are:• 21/Oct LTI Graded Mitsubishi 4WD DC-PU• 26/Oct FAC Graded Toyota Hilux 4WD DC-PU• 30/Oct LTI/Ptd Blacktop Toyota Prado 4WD• 9/Nov LTI Blacktop Mitsubishi 4WD DC-PU• 16/Nov LTI Graded Toyota Hilux 4WD DC-PU• 18/Nov FAC Blacktop Toyota Hilux 4WD DC-PU• 19/Nov FAC Graded Toyota Prado 4WD• 20/Nov Dead Blacktop Toyota Prado 4WD• 23/Nov No inj. Graded Isuzu 4WD DC-PU• 24/Nov FAC Graded Isuzu 4WD DC-PU

DC-PU: Double Cab Pick-Up

Nov/01 3


““Having fun” on graded roadHaving fun” on graded road

Rollover !!Rollover !!

21/Oct LTI21/Oct LTI

Nov/01 4


Straight graded road YibalStraight graded road Yibal

Rollover !!Rollover !! Veered to the left.Veered to the left.

Pulled hard to the right &Pulled hard to the right &rolled: classic S pattern.rolled: classic S pattern.

26/Oct FAC26/Oct FAC

Nov/01 5


30/Oct LTI 30/Oct LTI perhaps a Permanent perhaps a Permanent Total Disability ??Total Disability ??

Veered off to the rightVeered off to the rightOvercorrected, rolled 4xOvercorrected, rolled 4xClassic S patternClassic S patternNO rollover barNO rollover bar

Straight blacktop Fahud-NahadaStraight blacktop Fahud-Nahada


Nov/01 6


Veered off Veered off to the right.to the right.Pulled left Pulled left but over-but over-corrected corrected & rolled 3x.& rolled 3x.

Classic Classic S pattern.S pattern.

9/Nov: LTI9/Nov: LTI

Straight Blacktop near Fahud: NIGHT Straight Blacktop near Fahud: NIGHT


Nov/01 7


Classic S-pattern: veered to the Classic S-pattern: veered to the right, pulled left (overcorrecting) right, pulled left (overcorrecting) and then pulled right again and and then pulled right again and rolled.rolled.

16/Nov LTI 16/Nov LTI


Straight Graded road BahjaStraight Graded road Bahja

Nov/01 8


Straight Blacktop Nimr to RimaStraight Blacktop Nimr to Rima


Not concentrating Not concentrating Trying to kill a fly! Trying to kill a fly! Overcorrecting: S patternOvercorrecting: S pattern18/Nov FAC18/Nov FAC

Nov/01 9


Straight graded road QA-FahudStraight graded road QA-Fahud


19/Nov FAC19/Nov FAC

Burst right rear tireBurst right rear tireCar pulled leftCar pulled leftLost control Lost control and rolledand rolled

Nov/01 10


Rollover !Rollover !

!!

Blacktop road Fahud- NizwaBlacktop road Fahud- Nizwa

Car moved right at Car moved right at high speed. Driver high speed. Driver over corrected and over corrected and got into an S pattern:got into an S pattern:Rolled & Flipped.Rolled & Flipped.

20/Nov Fatality & LTI20/Nov Fatality & LTI

Nov/01 11


Straight graded road Thumrait-MarmulStraight graded road Thumrait-Marmul

Rollover !!Rollover !!23/Nov No Injury23/Nov No Injury

Driver tried to Driver tried to avoid some avoid some potholes in the potholes in the poor road: pulled poor road: pulled left then right. left then right. S-curve pattern!S-curve pattern!

Nov/01 12


Junction Marmul-ThuleilatJunction Marmul-Thuleilat


24/Nov No Injury 24/Nov No Injury

Driver pulled Driver pulled into junction at into junction at too high speed. too high speed. Rolled off the Rolled off the road. road.

Nov/01 13


Common features of these rollovers:Common features of these rollovers:• Speed (80 km/hr can be too fast !!)Speed (80 km/hr can be too fast !!)• All are 4 WD high All are 4 WD high CCentre entre oof f GGravity carsravity cars• 8 on straight roads8 on straight roads• 8 classic “S” curves: 8 classic “S” curves: – driver loses concentration and veers slowly left or driver loses concentration and veers slowly left or

rightright– wrong steering reaction: pulls hard left/rightwrong steering reaction: pulls hard left/right– wrong braking reaction: brakes whilst steeringwrong braking reaction: brakes whilst steering

• 4 on blacktop roads at high speed4 on blacktop roads at high speed• 1 tyre blow-out, 1 junction/speed1 tyre blow-out, 1 junction/speed

Nov/01 14


4WD are great cars: 4WD are great cars: • They are strong (we think)They are strong (we think)• They can go anywhere (almost)They can go anywhere (almost)• You (almost) never get stuckYou (almost) never get stuck• You sit high (good view)You sit high (good view)• They are powerful & feel good (macho?)They are powerful & feel good (macho?)• They are comfortableThey are comfortable• They can carry a lot of load and peopleThey can carry a lot of load and people

BUT…….BUT…….

Nov/01 15


But 4WD:But 4WD:• Have a very high CoG: this means that they are Have a very high CoG: this means that they are

more sensitive to rollovers.more sensitive to rollovers.• They do not brake that well: they are very heavy.They do not brake that well: they are very heavy.• They do not steer and corner that well: they are They do not steer and corner that well: they are

heavy and high.heavy and high.• They give a false sense of security: driver feels They give a false sense of security: driver feels

invulnerable at any speed.invulnerable at any speed.• They are powerful and can go very fast: much too They are powerful and can go very fast: much too

fast for their handling ability.fast for their handling ability.

Nov/01 16


Would you drive these cars in the same manner when Would you drive these cars in the same manner when taking a corner or bend ??? Of course NOT !!!taking a corner or bend ??? Of course NOT !!!

4WD High CoG car: adjust your driving & speed.4WD High CoG car: adjust your driving & speed.

Low CoGLow CoG

Rollovers & Rollovers & CCentre entre oof f GGravityravity

High CoGHigh CoG

Nov/01 17


When driving a 4WD:When driving a 4WD:• Adjust your driving style. Combination of:Adjust your driving style. Combination of:

– SpeedSpeed– Steering: no sudden changes of directionSteering: no sudden changes of direction– Braking: start braking earlier, keep more distanceBraking: start braking earlier, keep more distance

• Keep heavy loads as low as possible: NOT on the Keep heavy loads as low as possible: NOT on the roof! High loads make the car more unstable. roof! High loads make the car more unstable.

• Keep loads balanced to the centre/middle.Keep loads balanced to the centre/middle.• Passengers are also load: they change the Passengers are also load: they change the

stability of the car.stability of the car.

Nov/01 18


The classic “S” curve rollover:The classic “S” curve rollover:

Mistake 2: pull hard leftMistake 2: pull hard leftcould roll here alreadycould roll here already

Mistake 3: pull hard right Mistake 3: pull hard right

Mistake 1: lost concentrationMistake 1: lost concentration car moves slowly car moves slowly to the right (or left) to the right (or left)

Mistake 4: braking & turningMistake 4: braking & turning at the same time at the same time

Roll!! Roll!!

Roll? Roll?

Nov/01 19


The classic “S” curve rollover:The classic “S” curve rollover:How to avoid it !!!How to avoid it !!!

Good re-action: Good re-action: Roll-out into the desert.Roll-out into the desert.Do NOT pull your steering Do NOT pull your steering wheel. Hold it tight and wheel. Hold it tight and straight with 2 hands.straight with 2 hands.Brake slowly to full STOP.Brake slowly to full STOP.Do NOT panic.Do NOT panic.

Mistake: Mistake: lost concentrationlost concentration car moves slowly car moves slowly to the right (or left) to the right (or left)

Nov/01 20


How How to to protect yourself protect yourself against against rollover?rollover?

• Use a 2-WD instead of a 4-WD if possible.Use a 2-WD instead of a 4-WD if possible.• If you drive a 4-WD: adjust your driving.If you drive a 4-WD: adjust your driving.• Never make violent adjustments in Never make violent adjustments in

your steering & your braking, your steering & your braking, you must avoid an uncontrolled skid.you must avoid an uncontrolled skid.

• Make sure Make sure a 4-WDa 4-WD has a roll-bar !!!!! has a roll-bar !!!!!• Wear your seat belts !!!!!Wear your seat belts !!!!!

Your BELT can Save your LIFEYour BELT can Save your LIFE

Documents

10 Rollovers in 1 month? Nov/011 ROLLOVERS AGAIN ? Yes: 10 in 1 month!