Water Jet Plow
The Hydrominer is a water-jet-assisted plow which was used to create the UMR-Stonehenge. The 52 rocks of this half-scale model were carved by high-pressure water. The trilithons of the inner circle stand 16 ft high and are made of Georgia granite with a compressive strength of 30,000 psi. The rock was cut by water jets at an average pressure of 15,000 psi.
D. A. Summers, "Water Jet Plow," Information Circular - United States, Bureau of Mines, United States. Bureau of Mines, Jan 1985.
Water-Jet-Assisted Cutting, Proceedings: Bureau of Mines Open Industry Meeting.
Mining and Nuclear Engineering
United States. Bureau of Mines
Article - Conference proceedings
© 1985 United States. Bureau of Mines, All rights reserved.