Missile torpedo – “Moving Egg”: A type of missile first built in 1280 AD


Hasan al-Rammah (Arabic: حسن الرماح) (died 1295) was a Syrian Arab chemist and engineer during the Mamluk Sultanate who studied gunpowders and explosives, and sketched prototype instruments of warfare, including the first torpedo. Al-Rammah called his early torpedo “an egg which moves itself and burns.”

Medieval Arab torpedo (Hassan Al Rammah, 13th century) - Cảnh 3D - Giáo dục  và học tập kỹ thuật số Mozaik

It was made of two sheet-pans of metal fastened together and filled with naptha, metal filings, and saltpeter. It was intended to move across the surface of the water, propelled by a large rocket and kept on course by a small rudder.

Al-Rammah devised several new types of gunpowder, and he invented a new type of fuse and two types of lighters.

Hassan Al Rammah | Weapons and Warfare

This is a model of the “self-moving and combustible egg” of the Syrian Al-Hassan er-Rammah and is believed to be the earliest known rocket propelled torpedo. Crude sketches and a description of it appear in Hassan’s Arabic manuscript, The Book of Fighting on Horseback and with War Engines, completed in A.D. 1280.

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It is not known if he ever built the device. The two pans connected together were filled with an incendiary mixture and the whole was propelled by two rockets.

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As the rockets were ignited, the device was aimed toward an enemy ship. When it struck, the enemy ship was to catch fire and be destroyed. The model was built especially for the National Air and Space Museum and donated to the Museum in 1976 by the George Marsden Design Company.

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