not to hurry, not to hurry.
Through looking to my trip log and fuel log it seems that my skirts are actually adding drag, though I still hope that's because being now in constant time pressure i am more gas-pedal happy and my tire pressure is not as high as usual etc etc.
so far it seems 0.1 l/100 km increase, which corresponds to 2 mpg drop.
so, back to drawing board. First I want to devise poor man's testing method (no cruise control, no GPS, on-board odometer counts 400 meters minimum, 100 meters resolution.). I think of some downhill coastdown test with on-road markers, but that's just observation based testing - "at fifth run i travelled a bit further..." .
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