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Re: Erroneous information from Luc (archive)

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Posted by Mark Lane ('92 525iTA) on November 10, 1999 at 00:20:02:

In Reply to: BULLSHIT posted by Luc on November 09, 1999 at 12:52:02:

I would like to point out some errors in Luc's posting.
In Europe, automobile fuel consumption is expressed in liters per 100 kilometers, not in liters per hour. The units are thus "volume per distance", whereas in the USA the units are "distance per volume" (miles per gallon). To convert from "European" consumption to "American" consumption, one takes the reciprocal of the European number then multiplies by a conversion factor. The gauge on European and American cars are the same, except that the scales are marked inversely (reciprocals). An extreme left hand needle position indicates zero liters per 100 kilometers (for Europe) or infinite miles per gallon (for the USA). To produce a proper reading, the electronics that generate the gauge deflection signal require 2 inputs: fuel flow and vehicle speed. For example, "miles per hour" (speed) divided by "gallons per hour" (fuel flow) produce a result of "miles per gallon" (consumption).
I normally enjoy reading messages on this forum without posting responses. I could not let this erroneous, rude, insulting, belligerent message from Luc go unanswered.


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