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I am happy today


lappir

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At least I think I am. Using my odometer readings only today i discovered my computer reading for fuel mileage is way off. I knew it wasn't accurate but didn't think it would be off much more than 1 to 2 mpg. Filled my truck after my trip from Florida a few weeks ago and just entered the info into my Neat filing system. I always calculate my mpg on my car and motorcycle because I always reset my trip meter. Today I decided to just go back and do the odometer readings and find that I am almost at 11 mpg over the last 1000 miles of my trip. Did have a good tail wind for part of it I recall. The computer at last check was sitting at 6.9 mpg. Wasn't loving looking at that number everyday.

 

My speedometer is 5 mph slow. If I set the cruise at 55 on the speedo, the gps shows I am actually travelling at 60 mph. I am going 5 miles further in an hour than my odometer shows. I need to remember to check the trip meter with the GPS on my trips, but I only seem to remember after I have moved the GPS to the car and driven around a bit.

 

Rod

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Just buy a couple more GPSs . ;)

I did have two for a while, but got rid of the motorcycle/car one when I got the Garmin for the Truck. If I find a really good deal on a Rand McNally I may buy it. Not a new one though. It would have to be very gently used.

 

Rod

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Years ago, 2000 in fact, I bought new tires for my F350. I don't remember the old/new sizes, but they went from 30" to 33" diameter and I had to throw a 10% mileage factor into the spreadsheet. One day I had it on screen at work and a buddy came by and did the actual math. "You did something wrong, your numbers are off." I had tell him there was a 10% correction factor in the calc's.

 

Always verify and throw a correction factor in there. I make mine a cell variable so that one cell corrects the whole sheet.

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