Why on earth would you make a kettle square?
"We have created a non-round kettle in pursuit of faster water boiling speed and stability when using a burner," explains manufacturer Sugiyama Kinzoku.
A fair amount of design went into the 700mL vessel:
Point 1: "The handle is neatly stored in a concave groove on the top panel."
Point 2: "The lid is also designed in a concave shape, so the top panel is always flat when not in use."
Point 3: "The shape of the spout makes it easy to pour even small amounts of water."
Point 4: "The claws on the lid snap into the body with a rotary lock. The knobs have been cut to create a flat shape."
Point 5: "The lid has six uneven grooves. These grooves create a gap between the body and lid, allowing steam to escape to the side and preventing the handle from becoming hot."
Point 6: "Made of rust-resistant stainless steel. To accentuate the form, the corners are minimally rounded."
The Square Kettle runs ¥7,920 (USD $53).
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Comments
More surface area where the heat is coming from and not wasted off the side. like a wok, large surface area for the flame to hit (even though it is curved).
The biggest surface area is on camping kettles like the Jet Boiler - it has lots of thin aluminium fins at its base. Whilst they take up volume in a pack, this is offset by being more efficient at boiling water, and thus requiring less fuel to be carried.
I like it. I hated round or oval mess kits in my backpack.
Anyone care to enlighten me as to why being square would speed up boiling? I can't work that out at all. I mean, I quite like the thing in itself, but that sounds a bit like snake oil sales pitch to me...
If anything, doesn't it boil slower? You have more water volume in the corners further from the heat source (the middle) when compared to a round container.
Maybe the loss to be further from the heat source is compensated by the lower level it needs to get the same volume. And since a camping stove flame usually goes beyond the round bottom of a regular kettle, you don't lose that much in the corner. Is it enough to justify that? It looks nice.