During my trip in Scandinavia, I've kept track of my fuel usage. Except for the autobahn blast in Germany, I figured out that when the blink began, that meant I still had half of the already-run-mileage left. For example, when the blink began and my trip meter said 330km - I call it the blink km or "F" in my equation (more on this later) - I would still have 165km to go. I figured this out by recording how much fuel I put in each time, the total km I've ridden with that tank, at what km the blink began, and some simple math. The trip meter and the "F-trip" readings are readily available, I just had to do two simple math calculations: 1) Tripmeter minus F-trip=how many km I've ridden when the blink began exactly, 2) multiply the result of 1) by the factor I've derived. They are simple enough that all of us should be able to do that in our head while riding, which is important. Of course, if one decides to ride easy before the blink, then ride like a bad a** after the blink, then the theory will go out of the window. So based on my records, I constantly saw 0.48 to 0.52 times F km left. I usually started looking for gas when I passed the 0.4 F during my trip, because the variations of my riding style were limited. However, I made a mistake one time, when I turned on the heated grips after the blink began but I was still carrying the theory of 0.4 times F, I ran out of gas at 0.3 times the blink km. Very luckily, I was only 400m away from the gas station. If you are interested and have the patience in trying this method on your respective Teneres, I recommend you to do some record keeping like I did, and don't take my 0.4 to 0.6 factor as given, because each of us rides differently on different roads with different style. Once you have a range of factors that you are comfortable with, you may apply to it then.
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