![]() ![]() In fact, G-Force turned out to exceed even Spider-Man 3 in both shot count (1,287) and complexity (480 CG shots, 61 minutes of vfx screentime, 128 character rigs, including 15 robot rigs, and 1,861 total 3-D shots). Scott Stokdyk ( Spider-Man) handled vfx supervision, Troy Saliba ( Monster House) served as animation director and Rob Engle ( Beowulf) led the stereoscopic team. Thankfully, he was in great hands with Sony Pictures Imageworks, which not only excels at hybrid films with CG characters but also at 3-D. He even pitched to Michael Bay early on before enticing veteran producer Jerry Bruckheimer ( Pirates of the Caribbean).Īs if animating a guinea pig geek squad to combat a giant robot and matching the CG to the live-action plates wasn't challenging enough, Yeatman also decided to add stereoscopic 3-D to the mix as a post conversion. But realizing this rather unique hybrid took a lot longer than expected for Yeatman, who chose to direct as well. The concept took hold immediately when Yeatman did some research and discovered that there was more scientific validity to the concept than one would imagine. Hoyt Yeatman, the VFX vet, has been nurturing G-Force for six years, ever since his then pre-school son first hatched the notion of guinea pig superspys. See the chart below.The G-Force guinea pigs needed to hold their tools, so Imageworks made a toe look more like a thumb All images © Disney Enterprises Inc. We need that to convert everything at the end. One last thing to note, 1 g is 32.2 feet squared per second. To equate the cornering force, you take the speed squared and divide by the radius. Do the math and the radius of the turns at Indy is about 840 feet, which is big. And the radius of a circle is the circumference divided by two times pie. So, we can estimate that the four corners together make a circle.įour quarter-mile-long corners make for a 1-mile circumference circle. And while each corner has its own character, geographically speaking they are very similar. We also know each one is a quarter-mile long. At Indy, we know the track's shape is roughly a rectangle with four rounded corners. How many gs do they pull while lapping the famous Indiana track? It depends on two things, how fast they go around the turns and the radius of those turns. And while gravity certainly applies to the cars and drivers lapping the 2.5-mile circuit in Speedway, Indiana, the drivers are more concerned with the amount of cornering forces, gs, they can pull. Gs have become a unit of measurement of other forces, as well. Anyway, one g of force pushes down on your body, which in turn pushes on the bathroom scale. In fact, you weigh what you weigh because of gravity. One g is applied to a body to keep it on the ground. It’s a unit of measurement that originated from the force of gravity. ![]() More specifically, g-forces, in every direction, to lap that track faster than anyone else and drink the milk. But what does it take for the drivers to compete? Well, from the physics point of view, it takes withstanding gs. The Indianapolis 500, also known as The Greatest Spectacle in Racing, is a more-than-100-year-old Memorial Day weekend tradition that takes world wars or global pandemics to stop. ![]() The aim is to deliver automotive content that entertains and enlightens but that doesn’t necessarily follow the news cycle. This is part of a feature we call Autoweek Breaks Down, where we bring you a smattering of stories tied to a weekly theme. Seeing as 33 drivers are soon to experience these cornering forces, we thought it's worth revisiting. This story originally ran in early May 2020, during the traditional time that Indianapolis 500 excitement begins. ![]()
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