I've noticed that when I drive past one of those sensors that tells you your mph, my speedometer is consistently 4 mph higher. My figure of around 18 (and I'm not looking at my records when I give that figure) is based on what the odometer says.
Joy **************************************************************** Joy Hecht and Matilda, 1989 Burgundy Vanagon For musings about life and the vanadventures: http://www.joyhecht.net ****************************************************************:::-----Orig inal Message----- :::From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf :::Of mark drillock :::Sent: Saturday, April 01, 2006 5:54 PM :::To: vanagon@GERRY.VANAGON.COM :::Subject: MPG measurement issues ::: :::Most of us have never tried to accurately assess the degree of error in :::our speedos at highway speeds. I do this for every vehicle I own and use :::for long trips. Every Vanagon I have owned was optimistic, some by more :::than 10 miles per hour at indicated 70. Speedo says 70, real speed 58, :::which number should I use when talking about MPG for that vehicle? I use :::the real numbers. |
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