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Blended Octane Rating = (Volume of Fuel A * Octane Rating of Fuel A + Volume of Fuel B * Octane Rating of Fuel B) / (Total Volume of Fuel A and B) This formula ensures that the contribution of each fuel’s octane rating is proportional to its volume in the mixture. Limitations. 1.
Dec 8, 2020 · In California, our overpriced pump premium sells for roughly $3.60 per gallon while E85 sells for $2.20. Blend those two together to create a 50-50 mix and you get 3.60 + 2.20 / 2 = $2.90 per gallon. What we’ve just created is a 96-octane fuel that costs less than 91-octane ($2.90 vs $3.60). That saves $14 for 20 gallons of fuel.
Oct 1, 2020 · 10. The full techo explanation. Time to go 100 per cent propeller-head: Octane rating is an index of the knock resistance of a particular fuel compared to a laboratory standard kind of fuel called iso-octane. Which is actually 2,2,4 tri-methyl pentane - for those of you who remained awake for carbon chemistry in high school.
Here’s an example. Let’s say you mix 3 gallons of 110 with 2 gallons of 100 and you want to know the octane of the resulting 5 gallon mixture. The percentage of 110 in the mix is 3/5 = 0.60 (60%). The percentage of the 100 octane fuel in the mix is 2/5 = 0.40 ( 40%). Plugging the information into the equation:
Desired Gallons. How many gallons of mixed fuel do you need? Low Octane Gallons. Use this amount in your mixed fuel. High Octane Gallons. Use this amount in your mixed fuel. *Octane calculator is a mathematical extrapolation only, and is not meant to be for scientific calculations.
Octane. Calculator. This calculator determines the minimum octane rating, also know as the knock index, by the formula (R+M)/2. Octane rating number is defined as a value used to indicate the resistance of a motor fuel to knock. Octane numbers are based on a scale on which isooctane is 100 (minimal knock) and heptane is 0 (bad knock).
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Aug 15, 2011 · A gasoline with an octane number of 92 has the same knock as a mixture of 92% isooctane and 8% heptane. To use our calculator, simply enter the Research Octane Number and the Motor Octane Number; click on Calculate and the minimum octane number, what you see at the pump, is returned.
