We had some in a safe for emergency equipment destruction.Add a little powdered aluminum and you get some real heat, thermite. https://en.wikipedia.org/wiki/Thermite
(S) 'fhe most successful use of pyrotechnics (thermate slabs, thermite grenades, and sodium nitrate barrels)
in Teheran occurred at the major Army Communications Center there. It had a number of cryptoequipments,
but also served as a depot for pyrotechnic materials for the whole area. They piled all of their
classified cryptomaterial in a shed; covered them with their pyrotechnic material (some 300 devices), lit off
the whole enchilada, and took off. The result was probably the largest single conftagration during the entire
revolution. Observers reported seeing flames shooting hundreds of feet into the air from posts several miles
away. The building was, of course, consumed, and we assume only a slag pile remains. (At this writing,
about 15 months later, no American has been back.)
Combustion of iron is 5.8 MJ/kg, while gasoline is 44 MJ/kg. So a 16 gallon tank of gas weighs around 46 kg, and an equivalent amount of iron fuel would be 350 kg. The iron oxide "exhaust" would weigh even more. The car would get heavier as it drives! All this does not sound impossible, but maybe impractical.One interesting idea is to use it to power a Stirling or Steam Engine (such as the Cyclone) powered automobile.
A Tesla car battery ~ 500 kg @ 1 MJ/kgCombustion of iron is 5.8 MJ/kg, while gasoline is 44 MJ/kg. So a 16 gallon tank of gas weighs around 46 kg, and an equivalent amount of iron fuel would be 350 kg. The iron oxide "exhaust" would weigh even more. The car would get heavier as it drives! All this does not sound impossible, but maybe impractical.
Good point.Combustion of iron is 5.8 MJ/kg, while gasoline is 44 MJ/kg. So a 16 gallon tank of gas weighs around 46 kg, and an equivalent amount of iron fuel would be 350 kg. The iron oxide "exhaust" would weigh even more. The car would get heavier as it drives! All this does not sound impossible, but maybe impractical.
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