. An Experimental Enquiry concerning the Natural Powers of Water and Wind to Turn Mills, and Other Machines, Depending on a Circular Motion. By Mr. J. Smeaton, F. R. J. * Vt/n/ic /c [ *39 ] This may be done two ways; either by caulingthe air to move againft the machine, or the machineto move againft the air. To caufe the air to moveagainft the machine, in a fufficient volumn, withfteadinefs and the requifite velocity, is not eafily putin pradtice: To carry the machine forward in aright line againft the air, would require a larger roomthan I could conveniently meet with. What I foundmoft pr
. An Experimental Enquiry concerning the Natural Powers of Water and Wind to Turn Mills, and Other Machines, Depending on a Circular Motion. By Mr. J. Smeaton, F. R. J. * Vt/n/ic /c [ *39 ] This may be done two ways; either by caulingthe air to move againft the machine, or the machineto move againft the air. To caufe the air to moveagainft the machine, in a fufficient volumn, withfteadinefs and the requifite velocity, is not eafily putin pradtice: To carry the machine forward in aright line againft the air, would require a larger roomthan I could conveniently meet with. What I foundmoft practicable, therefore,, was, to carry the axis,whereon the fails were to be fixed, progreffively roundin the circumference of a large circle. Upon thisidea * a machine was conftrufted, as follows. Plate VI. Fig. is a pyramidical frame for fupporting themoving E is an upright axis, whereon is framedF G, an arm for carrying the fails at a proper dif~tance from the center of the upright axis. i. i i i I ? i r ~i ~ ?-T--~ii i ?urn n win 1 mm liinmiiB n m n * Some years ago Mr. Roufe, an ingenious gentleman of Har-borough in Leicefterfhire, fet abou
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Keywords: ., bookcentury1700, bookdecade1750, booksubjectproceed, bookyear1759
