Just done a quick internet search, didn't have time before.
Quote:
Originally Posted by James Allen
http://www.jamesallenonf1.com/2010/0...t-fine-on-fuel
Now at Istanbul the weight of the fuel for each lap is worth 8/100ths of a second of extra lap time, just under a tenth. So one kilo of fuel, which is what Vettel is supposed to have saved, would give him a speed disadvantage of 5/100ths of a second over Webber in pure fuel weight.
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Obviously there is no real source of the information there and I thought that they used more than 1.6kg per lap back then? Which is what his calculation suggests. If true 10kg is half a second. That feels more like it.