![]() The Pole briefly hit 75 g at the 2007 Canadian Grand Prix, suffering only a sprained ankle and concussion after a spectacular high-speed accident demolished his Sauber. With so much concern surrounding head injuries in particular in motorsport, such devices are extremely important. This is to let marshals know when drivers may need treating with care in the aftermath of a serious collision. In line with the FIA’s technical regulations, this is wired to a light within the cockpit which triggers in impacts over 18 g. Information from crashes like the one we saw last weekend is collected by a device called an Accident Data Recorder (ADR), which was introduced to F1 in the late 90s. If we were to say that Carlos has a mass of 70kg, then for a very short space of time during the crash his body would have weighed well over three tonnes. Then there are the effects of mass to consider. Which is 0.09 seconds.Įven allowing for a bit of leeway given the various margins of error, the majority of Sainz's impact can’t have lasted much more than a couple of tenths. If v (final velocity) is 0, and u (initial velocity) is 93mph (or 41.67m/s), then the total time taken would be -41.67 divided by -451.26. If we assume (albeit incorrectly) that the Spaniard’s average deceleration was 451.26m/s 2 over the duration of the incident, and that the 46 g figure is correct, we can also work out roughly how long it took the Tecpro barrier to stop him. School physics taught us that ‘v = u + at’. Stick with us, it'll be OK.
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