Check my math?
I was thinking about the basic fuel consumption figures in the OM636 Manual I have... the max figure is 215g/HPh (Grams per HorsePower hour).
I wanted to figure out how much fuel (in gallons) it would take to make 1 HP for 1 hour, using this figure as the basis...
So I found that diesel fuel has mass of 3217.6 grams per gallon.
In order to find out how many gallons of fuel I should use to make 1 HP for 1 hour (1 HPh),
215/3217.6 = 0.0668199901
Is that right?
Reversing the equation gives me:
3217.6/215 = 14.9655814, which I take as being 1/15 of one gallon per HPh. Dividing 1/15 out gives me:
1 / 15 = 0.0666666667, approximately the same answer as above... so which way is the correct way to come about the answer?
(The first answer is "It doesn't matter, as long as it's right." But this doesn't hold true in math. If you got the right answer, by the wrong equation, it's still the wrong answer. You can't "stumble on" an answer in math, and I want to know the correct way to do it.)
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