A Mixing Bottle for Gasoline and Oil

After moving from city to farm, I learned that fueling chainsaws is not straightforward. Two-stroke engines require gasoline mixed with oil at a 50:1 ratio. This presents a UX problem.

Corporations are happy to solve this problem for you. You can buy pre-mixed fuel…

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…but it’s absurdly expensive ($33 per gallon last time I checked!).

It’s cheaper to buy ethanol-free, high-octane gas, and the oil separately, and mix them yourself. To ease the UX of this, the oil is sold in little bottles that correspond with gallons, so you don’t have to do the 50:1 math.

In other words you fill a five-gallon gas can, then add the required amount of little bottles. But those little bottles still add cost—they don’t blow-mold, fill and label themselves—and it would be cheaper to buy the oil in bulk. In that case, you can use one of these handy mixing bottles, which I just learned about:

As a former structural package designer, I find this solution the most satisfying.

But yeah, I had no idea country life would be so filled with new things to learn. In the four years I’ve been here, I’ve had to use parts of my brain and body that city life just didn’t require.

Source: core77

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