Yikes. I thought they welded down manholes for races. The side effect to ground effect making thousands of pounds of downforce is hundreds of pounds of upforce on manholes.So 8 minutes into the first practice on Friday they blow the lid off a manhole and trash one of the Ferraris. Great job organizers !
Yikes. I thought they welded down manholes for races. The side effect to ground effect making thousands of pounds of downforce is hundreds of pounds of upforce on manholes.
Something like 1600 kgs of downforce at full speed. 65% of that is ground effect. About 100 sq ft of area (probably much less effective area but being conservative). Force isn't evenly distributed over the area but that's too complex for this quick calc. Peak force will be well above average force. That is about 0.17 psi average upforce on the road. How big is that cover? 8"? That's at least 9 pounds of upforce on that cover (and probably two or four times that when the peak pressure area passed over). It could also have been bounced out by a tire.Wow, I remember that Indycar movie with Sylvester Stallone where they were racing down Avenue Road and popping manhole covers. I thought that was just to dramatize the scene, and thought it was ridiculous at the time. Now I'm trying to wrap my head around the physics.
I remove driveway paving stones using a vacuum cleaner with a foot on the hose. Sometimes having things suck is good, sometimes not.Wow, I remember that Indycar movie with Sylvester Stallone where they were racing down Avenue Road and popping manhole covers. I thought that was just to dramatize the scene, and thought it was ridiculous at the time. Now I'm trying to wrap my head around the physics.
With the damage to the female part, I am wondering if it was actually hit by a car. Ti skid plate hooked on the edge would explain the lack of lock and no small welds would hold up to that impact.That doesn’t look like it should fly loose .glad somebody didn’t get it in the face shield
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That doesn’t look like it should fly loose .glad somebody didn’t get it in the face shield
Something small like a spring or valve cover could still make it past the wishbone. Better odds though as there is a good chance it hits and the wishbone takes a bunch of the energy.Can't be much worse than a spring from someone's suspension.
Something small like a spring or valve cover could still make it past the wishbone. Better odds though as there is a good chance it hits and the wishbone takes a bunch of the energy.
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Something small like a spring or valve cover could still make it past the wishbone. Better odds though as there is a good chance it hits and the wishbone takes a bunch of the energy.