Abstract The use of water in forest fire fighting has always had many limitations. For some time fire control men and equipment manufacturers have been experimenting with new types of equipment which produces fine sprays either by forcing the water under high pressure through a very fine orifice or by mechanically breaking it up by means of special nozzles. The author gives an enthusiastic account of experience with a pumper based on the first principle. These developments hold much promise for improving the effectiveness of fire-fighting methods, particularly in flashy fuels in accessible country. Discussion of the merits of other types of fog spray equipment will be welcomed.
Bernard Leo Orell (Thu,) studied this question.
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