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Old 10-12-2010, 05:13 PM   #1
BailOut
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Originally Posted by silver_echo View Post
i guess that it boils down to that the stunt driver has been trained on how to take a hit?
Nope. A funny thing about basic physics is that they hold true in all environments and applications. When it comes to car types something you might not expect happens depending on the vehicle's design.

Most small cars are built as one giant crumple zone. Impacts are dispersed laterally along the chassis meaning that the vehicle itself absorbs and then dissipates the energy of a collision. This is why small cars are often "totaled" in even lower speed impacts but you rarely hear of small car fatalities, or even loss of consciousness events.

Conversely, big vehicles are all solid steel and hardness and unibody construction and don't crumple or dissipate by any other means much at all. The result of this is that the vehicles come through impacts often looking near perfect or having only single-panel damage, but guess what happens to the occupants? That's right, all of the energy from an impact rolls right into and through the cabin rather than around it, and is then absorbed by the occupant's bodies. This is why a big vehicle can look pretty good but the occupants may not walk away, or do walk away but with significant soft tissue and organ bruising.

Look at it this way: I have 2 well-off buddies that work deep within the auto insurance industry. Both drive vehicles that weigh less than 3,000 pounds and rent the same when they travel. They don't even like to ride in the bigger vehicles when we have road trips.
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Old 10-12-2010, 05:19 PM   #2
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Originally Posted by BailOut View Post
Nope. A funny thing about basic physics is that they hold true in all environments and applications. When it comes to car types something you might not expect happens depending on the vehicle's design.

<snip>

They don't even like to ride in the bigger vehicles when we have road trips.
Yup! SUVs are classed as trucks, which keeps the cost down (thereby making them more popular) by not having to have crumple-zones designed in. SUVs therefore are about as safe in a crash as a 50's pickup. In fact, their basic chassis design probably IS from a 50's pickup....
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