Large variations in wake at propellers of large, single-screw tankers together with increasing propeller weights, have increased stress concentrations in tailshaft, due to high torsional and bending moments; investigations at Lips Propeller Works on keyless bore propellers of full size, as one solution, are reported; respective issue of journal cover -- results of first test propeller; determination and comparisons with Lloyd's Recommendations of push up load, pull off load, pull up length, various friction coefficients according to dry fit and wet fit methods; "y-stroom" propeller and some test apparatus; "BOW" propeller (no counter bore). (See also n 1, p 15-18, n 2 p 26-33)
Keyless bore propellers
European Shipbldg
European Shipbuilding ; 17 , n 3
1968
6 pages
Aufsatz (Zeitschrift)
Englisch
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