Re: The rest of the Commute
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Re: The rest of the Commute
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You can try installing the
You can try installing the same device as in your prius in your car. It keeps the coolant warm up to 3 days. It should be in your front bumper on the left.(in the prius)
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Re: First Commute with Calibrated SuperMID.
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I think the reading value "22.23 km/L or 52.3 MPG" was not accurate because the distance was not accurate if you used the IGN-OFF method. The fuel usage can be accurate within 1% or less. I believe it is better idea to record following numbers. 1. Trip distance from Del Sol 2. Fuel usage from SuperMID M-1 3. Calculate the mileage value using above two 4. Fuel usage from your digital meter for reference 5. Trip distance from SuperMID for reference 6. Parameters(Fuel/Distance) on SuperMID for reference How do you think? Yoshi |
Re: First Commute with Calibrated SuperMID.
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Re: First Commute with Calibrated SuperMID.
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Is the 41.04 was the adjusted(3.4%) value from your Del Sol? Would like to see raw values of distance, from M-1 and Del Sol. I think your report on "Digital Fuel Gauge" thread was very systematic. |
Re: First Commute with Calibrated SuperMID.
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The 41.04 value came from the SuperMID that was on the Prius. The round trip as measured by the SuperMID on the Prius was 83.43km or 51.73 miles. The distance was perfectly calibrated with a 50 mile of mileposts on various highways. Since I have oversized tires on the del sol, the odometer under registers by 3.4% as calculated by the same milepost method. The del sol odometer shows 49.75 miles for the round trip. When you adjust by 3.4% for the larger tires, that calculates to 51.44. So the difference between the 51.73 Prius measurement and the 51.44 del sol adjusted measurement would be the distance lost from IGnition off - on while coasting. I will just use the SuperMID figure, even though this will result in 3 miles of unregistered distance for each tank. That translates into 0.3 MPG lower than actual. I hope that answers your question. |
Dan, Thank you comments.
Dan, Thank you comments.
Let me clarify... - The 41.04 km came from SuperMID from Prius before, and it was right on the actual. - The 40.61 km came from current SuperMID setting. - The 0.43 km difference was caused by the IGN-OFF method, but this was not sure. - The 22.23 km/L came from current SuperMID setting where was the 40.61 km distance display. - The fuel usage was 40.61 / 22.23 = 1.827 L - The real (or the best estimated) mileage was 41.04 / 1.827 = 22.46 km/L = 52.85 MPG This is my thought. Yoshi |
Re: Dan, Thank you comments.
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FInal Calibration
OK, so I ran one full tank for calibration purposes. As mentioned in other threads, I supected that my initial calibration was too low based on what the Digital Fuel Gauge was telling me. Well that indeed was the case. It took 10.851 gallons to reach the 2.5OHM mark on the DFG, which is where I filled my last tank to. The SuperMID said 22.38 km/L. That translates to 52.60 MPG. The actual FE was 54.4 MPG. So the SuperMID calibration was 3.4% low. So the final calibration involved increasing the fuel parameter by 3.4%. Considering some of the environmental conditions encountered during this tank, 54MPG is quite good. :-)
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