Bomb yield in The Legend of Zelda: The Wind WakerBefore we can begin to determine the yield of a single bomb from The Wind Waker, we need to figure out the size of the bomb and the explosive material it likely uses. I will always assume child Link and adult Link have the same height and mass for all incarnations for simplicity. I have assumed Link’s height to be 147.32 cm. This is equivalent to 86 pixels in the game. I will also assume the casing of the bomb is 1 pixel. 1 divided by 86 is 1.16%. Using Link’s height of 147.32 cm., this means the casing’s thickness is 1.71 cm. The entire bomb is 38 pixels. Again, with the same method, this means the bomb has a diameter of 65.09 cm. With this in mind, I will subtract 1.71 cm. from 65.09 cm., which results in 63.38 cm.

I will assume the entire inside of the bomb is filled with the explosive. I still don’t know what the explosive is, however. While the Zelda universe may have some advanced technology, from what I recall, this is only found in areas where gods or god-like beings once dwelled. So my focus will really be on the era the Zelda universe seems to take place, which would be in Medieval times. What explosive was used in Medieval times? Black powder, or what’s commonly known today as gunpowder. This can be supported from lore. In The Legend of Zelda: Majora’s Mask, there is a creature known as Nejiron. Tatl will tell Link to not get too close, as this creature smells like gunpowder. [1]

Then there’s the Bomb Shop owner, who according to the Gossip Stone tells Link that the blast mask uses gunpowder. [2] Another person like the owner named Bomb-Master Cannon also uses gunpowder, as well as other explosives. [3] While it’s possible that the bombs could use other explosives, it seems likely that they use gunpowder on the basis that it’s specifically said. And finally, the blast ring in The Legend of Zelda: Oracle of Seasons is called “gunpowder ring” in the Japanese. [4] Now that this has been established, I’ll need to find the volume of the inside part of the bomb. Since I have the diameter, using 4/3 * pi * r^3 will give us the volume of 133,319.48 cm^3.

Finally, what is the density of gunpowder? It looks like modern gunpowder has a density of 1.7 g/cm^3. [5] Since we have the volume, multiplying both the volume and density will give us a mass of 226,643.1 g. There are 3,000 joules per gram in gunpowder. [6] Since we have 226,643.1 g., that means the amount of energy from a single bomb would be 679,929,285.79 joules, or 162.51 kilograms of TNT.

1. “That’s a Nejiron. Don’t get too close to it. Sniff . . . Sniff . . . It smells like gunpowder!” – Tatl, The Legend of Zelda: Majora’s Mask

2. “The old woman with knowledge of explosives has a dangerous mask filled with gunpowder . . .” – Gossip Stone, ibid.

3. “Cannon is the world’s only maker of bombs. He considers himself a magician with gunpowder and other explosives.” – Bomb-Master Cannon figurine from The Legend of Zelda: The Wind Waker

4. Oracle of Seasons Translations/Items

5. Chapter I: Properties of Explosives

6. Energy density – Wikipedia

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