what would cause this?

[mark180227]

found this on the car today. i dont know how it happened or when. but i do remeber the other night, something hitting the car while driving, i nearly shat myself.

pretty p/o at the moment, i had paid for everything i needed to and it was trouble free, but then this comes along.

how much would i be looking at for a new bonnet? or a repair?

[poolkeeper]

Good excuse to get a carbon fibre bonnet now
Looks weird, like someone drilled a hole in your bonnet or bullet?? lol

[ayeyew]

Were u driving near an overpass?

Kids these days seem to enjoy chucking stuff off them

[XR6Stu]

It takes a fair bit of force to punhc a hole in a bonnet like that... whatever has hit it has hit it bloody hard at high velocity. Lucky it hit the bonnet and didnt hit you after going thru your windscreen. My guess is a rock (doubt it though, unless thrown off an overpass, still doubt it, ) or as unlikely as it sounds a bullet is the only thing i can think of that would do that sort of damage to a bonnet.

[superroo]

it looks like it's come through the bonnet (engine bay to outside word)

[DoreSlamR]

It looks like maybe something has come from inside the engine bay?? Like something got flicked off the fan belt?

[FGII-XR6]

mark is it an innie or an outie

[Umineko]

Looks like damage from the tray of a 4X4 ute backing into you, steel frames under dropside utes could easily punch a hole in a bonnet without too much effort. would explain the other scratches as well

[private9]

Originally Posted by Umineko

Looks like damage from the tray of a 4X4 ute backing into you, steel frames under dropside utes could easily punch a hole in a bonnet without too much effort. would explain the other scratches as well

You've got my vote!

[mark180227]

Originally Posted by au3xr6

mark is it an innie or an outie

lol, definately something has punched it from the outside. the metal is pushed inwards towards the motor.

no over passes, but after finding the hole i considered my self lucky what ever hit me didnt come through the windscreen. i cant see a rock doing that much damage, but who knows.

so where do i go from here. new bonnet most likely option. how much am i looking at?

[FGII-XR6]

if you were doing 110 under a bridge and some idiot rocked you that may happen . you can get new bonnets (repro) for 220 to 240 or check fibre sports ( forum sponsor )out for fiberglass bonnets with the bulge might be just the excuse you need

[Pinkbits]

Originally Posted by Umineko

Looks like damage from the tray of a 4X4 ute backing into you, steel frames under dropside utes could easily punch a hole in a bonnet without too much effort. would explain the other scratches as well

Reread the first post, WHILST driving.

My money is on something falling from either a passing car or from one you may have been behind, possibly a piece of metal.

[ayeyew]

Originally Posted by mark180227

no over passes, but after finding the hole i considered my self lucky what ever hit me didnt come through the windscreen. i cant see a rock doing that much damage, but who knows.

Depending on how high the overpass is, consider a medium-large rock (5 kg or so), being thrown off the overpass and it hit your bonnet on an edge.

Rocks will be accelerating at around 10m/s^2, so by the time it hit your car it would be travelling at around 70+km/h, if all that energy was concentrated into a single point (or apex) on the rock and distributed over a limited time frame, the impulse of that would be significant enough to cause quite a bit of damage!

Im sure you have seen rocks causing massive damage to windscreens and stuff in the news recently, granted that windscreens are much less resistant to such impacts, but such energy transfers could result in a significant amount of damage. Think about you wielding an axe onto a car bonnet, or a pitchfork.

That is similar to what a rock launched from a 30meter platform could do (I have no idea how high overpasses are

Maybe me and my physics should stfu, i am under the influence of Jim Beam Long Blacks (2.1 standard drinks per bottle & on special at liquourland 17.99 for 4) :

[Yellow_Festiva]

Whatever hit you was small, solid and was moving at a high rate of knots.

I had a 50cm hunk of 2x3 wood hit my bumper, then the bonet then bounce over the car whild driving towards the 'gong many eons ago.

It fell off the tray of a tabletop truck. He pulled over and it all got sorted out.

But even that just chipped some paint on first contact with bumper, then caused a slight dent and a tiny chip on the bonet.

Have you had your car serviced recently? I had a similar dent (but no puncture) in the roof once when the car went up on a hoist in a workshop.

[ayeyew]

^^ The actual object itself may not have been small, just the bit which made contact with the bonnet was small



BTW, Go for one of those Boss bonnets off ebay


Like $650 i think i saw them for, they look HOT

[galaxy xr8]

How on earth did it hit there without hitting the bonnet protector 1st????????, it is to close to the protector to have come from another vehicle infront in my opinion.

[Stav]

Thats hard to pick.Whatever it was hit with alot of force.Those bonnets don't get holes that easily. Lucky you weren't hurt.

[xr8 007]

my vote would be a kid with a sling shot!!!! because even if it was a rock that was thrown it would not have gone in like it did. It would have needed Some serious force.

[FGII-XR6]

Originally Posted by xr6007

my vote would be a kid with a sling shot!!!! because even if it was a rock that was thrown it would not have gone in like it did. It would have needed Some serious force.

the serious force is a car doing freeway speed . when you think about it hitting anything at 100+ Ks will do a lot of damage and if it's small and pointy it may make a hole

[xr8 007]

but look at the size of it! it would have needed extra force for something that small, otherwise we would all have holes in our cars from small rocks and stuff

[KITBAG]

Originally Posted by Umineko

Looks like damage from the tray of a 4X4 ute backing into you, steel frames under dropside utes could easily punch a hole in a bonnet without too much effort. would explain the other scratches as well

I Recon they were made by 4X4 ute backing or truck backing in to it.... :
As for type off 4x4 or truck maybe onr of the follwing................

[xrfranjo]

maybe it was a bullet coming from iraq?

[XR6Stu]

why wont anyone listen to the panel beater? AU bonnet due to the massive open flat panel, have alot of stretch in them. Rather than just push a dent in it, whatever it was has hit the bonnet VERY VERY hard, and wouldnt be any bigger than the hole it made. Admittedly, probably not a bullet as I tongue in cheek suggested, but something of similar size, and probably a bit heavier. Although I gotta admit the other scratches have me stuffed.

[clontarf_x]

Something large and metallic has definately hit that dude...

[Mechan1k]

Originally Posted by 87 XF - AU11

I Recon they were made by 4X4 ute backing or truck backing in to it.... :
As for type off 4x4 or truck maybe onr of the follwing................

If you read the post though ... it was done while driving.
I am sure at highway speed hitting the back of the stationary 4WD ute would have killed him and totalled his car.

My view ... i am stumped on this one ... seeing as there was no overpass in the vicinity ... it rules out the goose throwing rocks ... although there have been issues with idiots throwing rocks from the sides of highways on embankments from bushes though.

Could have been debris from another vehicle ... if there was something in the vicinity yet again.

I was lucky myself one time ... a chunk of coal came off the back of a trailer and bounced right in front of me and clobbered the top of my left driving light and launched over the roof of the ute ... in line with me as it narrowly missed the windscreen ... I shat myself.

I checked the driving light later ... not a mark on it ... thank god for Lightforce driving lights ... at least the plastic fantastics are strong ... they have passed the 12 gauge shotgun test from 8 feet away in initial testing. I can now prove that a massive chunk of coal at 115km/h doesn't leave a mark on them either.

[No Judge]

[QUOTE=mark180227] i dont know how it happened or when.

Just a maybe, but are we sure the scratches and hole happened at the same time???....

Scratches from 4x4, & hole from kid with VERY strong throwing arm...

[Jokular]

Was there a truck in front of you? sometimes they spit up pieces if their brakes like the guy that was killed recently.

[The Monty]

I cant see how it could be a rock. I hit rocks all the time, they barely even dent the AU, and sometimes dont even take chips out, at 100k/ph. I hit a fruit bat at 100, and it just took a little paint off. Id vote for a bullet as far stretched as it may be, or a piece of a truck brake, but the force of it hitting the car, would be enough to make someone pull over, youd know it had done damage.
This is quite a dilly of a pickle.

[tankclare]

something has fallen off a truck or another passing vehicle.

I was once driving past the mines near singleton / jerrys plains and got hit with a piece of coal from a passing truck..scared me at the time haha

[onfire]

Like others have said, can you confirm both the dent/whole and the scratches happened at the same time.

The scratches, easily could have been a rock.. but how do you know, someone didnt take a swing at your car with something.