petedavo.au
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http://www.rainbowcoast.com.au/areas/rainbowcoast/swells.htmAre you shouting at me with all your capitals Spooks? Is that necessary?
I have video clips of a car in the high impact wave zone (remember force is being applied to front of car and not roof as well) for 2 hours with no damage and car after being underwater with no damage. I've calculated repeated forces applied directly to roof of car by waves onto rocks, when the car would have had to be lifted one metre into air and dropped 30 to 40 times on its roof to get close to the damage that occurred.
Your scenario of waves onto a sand bar, is not going to cause that damage. You couldn't generate the acceleration needed to produce the force to cause that damage IMO. The car underwater weigh possibly two tons and the waves would not be moving that car and accelerating it (not just moving it a constant speed).
Fiat has a buoyancy factor of 10 (imagine getting a 100kg person to hold an extra 700kg and see how far they move underwater or how long they would float to get an idea of that buoyancy factor) and likely to sink very close to where it went into water.
The control video where exact forces can be calculated and compared to damage that occurred in controlled crash experiments is very helpful in determining forces and correlating to damage that occurred within limits of error.
And of course the back seat was found two days before the car entered the water from the evidence. Back seat would have contained possible evidence if JC was abducted, especially if the man and woman that Katich was looking for were responsible. The woman driving and the man subduing JC in the back seat. However there is is no logical explanation for how this happened.
Only that it did and that it seemed to be very important to someone that JC's car ended up in the ocean at Cottesloe Beach.
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