CX-5 Crash Photos

The first hail storm I actually witnessed with half inch hail was a week after I bought my Mazda, was actually horrified watching it come down for 5 minutes on my new vehicle. Went out to check it and there wasn't even a mark, I'm convinced it's tuff stuff.
 
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While thinking about the thin sheet metal on the hood and roof of my CX-5, and how it might look after a hailstorm


That thin sheet metal will survive bigger hail than the thick soft sheet metal that older American cars were made of. While ice hard golf ball sized hail (and larger) will cause massive damage to any car, the sheet metal used in the CX-5 and some other modern cars is a higher grade alloy and is harder and more springy which allows it to absorb shocks and spring back into shape without any damage from impacts that could cause serious denting on heavier older bodies.

But this is not all good news. I met a guy a few years back who claimed his car picked up 5 mph top speed after his hood, trunk and roof were massively dimpled by golf ball sized hail. The theory was that the dimples functioned much like the dimples on a golf ball, creating a thin layer of turbulence which allowed his car to slice through the air more easily at high speed. Sadly, if this theory is true, us CX-5 owner's will require a seriously violent hailstorm to achieve this benefit ;-)
 
While thinking about the thin sheet metal on the hood and roof of my CX-5, and how it might look after a hailstorm


That thin sheet metal will survive bigger hail than the thick soft sheet metal that older American cars were made of. While ice hard golf ball sized hail (and larger) will cause massive damage to any car, the sheet metal used in the CX-5 and some other modern cars is a higher grade alloy and is harder and more springy which allows it to absorb shocks and spring back into shape without any damage from impacts that could cause serious denting on heavier older bodies.

But this is not all good news. I met a guy a few years back who claimed his car picked up 5 mph top speed after his hood, trunk and roof were massively dimpled by golf ball sized hail. The theory was that the dimples functioned much like the dimples on a golf ball, creating a thin layer of turbulence which allowed his car to slice through the air more easily at high speed. Sadly, if this theory is true, us CX-5 owner's will require a seriously violent hailstorm to achieve this benefit ;-)

Your buddy is on mythbusters? Cuz they did that like 5 years ago.
 
I picked up a factory new airplane that was hail damaged, the whole top surface of the wings and tail looked like they were hit with a ball peen hammer. No performance increase. The dimples may not have been deep enough to see any gain/loss in performance. I imagine that aircraft designers would apply dimples to wings if there was a benefit.
 
Vortex generators on an aircraft is basically working under the same principle, just more effectively than dimples (and easier to build).

I'm just not sure it's effective enough to help a car. Somebody should ask one of the ricer folks who have those faux-carbon fibre VG strips on their car.
 

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