. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. Vol. XIV. No. 348. TI1K AGRICULTURAL NEWS WATER-SUPPLY. HYDRAULIC RAMS. On some estates in the VV< si Indies the installation of a hydraulic ram for raising hei for domestii us • \ - 'I' until this momentum ceases, when valve 'W opens and valve 'I! closi s and retain- this water in the delivery pipe '|i. Again, when valve 'W '.pen- the watei lown delivery pipe 'S'until it again attains sufficient momentum, when valve 'W closes and a further quantity of water is forced through valve 'R' up the delivery pipe ']»'
. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. Vol. XIV. No. 348. TI1K AGRICULTURAL NEWS WATER-SUPPLY. HYDRAULIC RAMS. On some estates in the VV< si Indies the installation of a hydraulic ram for raising hei for domestii us • \ - 'I' until this momentum ceases, when valve 'W opens and valve 'I! closi s and retain- this water in the delivery pipe '|i. Again, when valve 'W '.pen- the watei lown delivery pipe 'S'until it again attains sufficient momentum, when valve 'W closes and a further quantity of water is forced through valve 'R' up the delivery pipe ']»' Tins cycle continues automatic- ally, and in this manners certain percentage of the drive water is raised to a greater height than that of the sun the supply water le\. 1 1, ? tjgha 1 Iraulic rams vary (a it to 70 pei ling to the maki 1 .1 the ratio of the fall to the lift. Tin- does not include tl >n in the which will varj direct! i l, and inversely as the square of it er. This means that one quarter to seven tent I k actually done is usefully performed in the delivery of the wati r, (lenerally spe ikii f fall to lift i whilst ratio 1 20 are quite workabL types of rams. Outside of these ratios the rams an expensive, and fo I ratios are le-s efficient. T a ratio of L:10 as shown on the sketch, viz., a I ill and a lin'ert lift, and with a supplj "I driving watei Ion pei minute, a 1 im would in theorj delivering 2 ' gallons per minute. The probable effii with this ratio would be ib ml 10 per cent., and that 1 the actual quantity oi wu red 03 the ram would be US per minute. ram, his ii is absolutely :essary te agents with the following about I |1 Before ordering supply the maker particulars: 1 l 1 The vertical fall in feet or inches which is obtainable from the source of supply. This working fall should be measured as shown on the -ketch from the 1 supply water level to such a level that escape valvi would have a free nutlet. Tic vertical height to which the w iter h ra
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Keywords: ., bookauthorgreatbritainimperiald, bookcentury1900, bookdecade1900
