Popular science monthly . The automobile engine drives a centrif-ugal pump, testing water • mains in aminimum of time Your Mainsail and the Wind 100 Course r L. Photo by \i. k The boom makes an angle with the boat to secure the highest possible speed l\N interesting and practical series ofAA experiments in a field that is newto science has been made at theMassachusetts Institute of Technologyby Professor H. A. Kverett, for thepurpose of determining some of thefacts about the propelling power ofsails. By dint of experience and byrule of thumb certain practices arecommon in sailing boats. Ski
Popular science monthly . The automobile engine drives a centrif-ugal pump, testing water • mains in aminimum of time Your Mainsail and the Wind 100 Course r L. Photo by \i. k The boom makes an angle with the boat to secure the highest possible speed l\N interesting and practical series ofAA experiments in a field that is newto science has been made at theMassachusetts Institute of Technologyby Professor H. A. Kverett, for thepurpose of determining some of thefacts about the propelling power ofsails. By dint of experience and byrule of thumb certain practices arecommon in sailing boats. Skippersagree in the main about these practices, but there are individual variations fromany rule. Each man maintains andasserts that his is the proper Professor Everett has done isto determine scientifically certain ele-ments common to all sails witii regardto thrust or propelling power, andtwist, and to estai)lish certain funda-mental principles which fix the relationsof sails to direction of the wind. In Boston Professor Everett was 49 50 Popular Science MnufhJif
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
