Sec. 76.27 



DESIGN OF SPECIAL-PURPOSE CRAFT 



805 



192.'5, pp. 611-612; SBSR, 4 Mar 1926, pp. 247- 

 251. A small sketch showing the general hull shape 

 and the principal dimensions of this vessel is found 

 in WRH, 22 Jan 1929, Fig. 9, p. 30. 



(12) Judaschke, F., "Konstruktionsbedingungen fur die 



in Eisgang und Eisbrechdienst zu verwendenden 

 Schiffe (Construction Specifications for Ships Going 

 Through Ice and in Ice-Breaking Service)," 

 WRH, 22 Jan 1929, Vol. 10, pp. 27-31 (in German). 

 Comments in English on this article are to be 

 found in Marine Engineer, Mar 1929, p. 116. 



(13) Icebreaker R. B. McLean, for the Hudson Bay 



Railway of the Canadian Government, MESA, 

 Nov 1930, p. 610. The displacement is 5,034 t, the 

 Lbp is 260 ft, the B 60 ft, D 31 ft, H 19.5 ft. 

 Indicated power 2 times 3,250 horses. 



(14) Hammar, H. G., "The Construction of Cargo Vessels 



Intended for Winter Traffic and Navigation in 

 Ice," SBMEB, Mar 1931, p. 175 



(15) Halldin, G., "Federal Icebreaker Ymer," Teknisk 



Tidskrift, Stockholm, Part I, Jan 1932; Part II, 

 Feb 1932 



(16) "Diesel-Electric Ice-Breaker Ymer," SBSR, 25 Aug 



1932, pp. 175-177 



(17) Christofferson, V., and Ericson, N., "The Federal 



Ice Breaker Ymer's Machinery Installation, with 

 Particular Attention to the Main Plant," Part 

 VIII, Stockholm, Aug 1932, following ref. (15) 



(18) Christofferson, V., and Ericson, N., "Federal Ice 



Breaker Ymer's Machinery Equipment, with 

 Special Emphasis on the Propelling Machinery," 

 Part IX, Stockholm, Sep 1932 



(19) "Ice Breaker Ymer (9,000 B.H.P. Machinery)," 



Motorship, Jan 1933, p. 366 



(20) "Ice-Breaker Goeta Lejon," SBMEB, Feb 1933, p. 91 



(21) "Ice Breaker Ymer" for Swedish Government, 



Motorship, London, Apr 1933, pp. 7-14; also 

 MESA, May 1933, pp. 165-167 



(22) "Japanese Ice Breaker Soya Maru," MESA, May 



1933, pp. 162-164, 182. Gives particulars, trial 

 data, and photographs. 



(23) Hohnberg, G., "Federal Ice Breaker Ymer's Trial 



Runs," Teknisk Tidskrift, Stockhohn, Jan 1934 



(24) Gouljaeff, N., "Ice Breakers," SBMEB, Mar 1935, 



pp. 143-150. Gives a bibliography of information 

 on icebreaker design. 



(25) Simonson, D. R., "Bow Characteristics for Ice 



Breaking," ASNE, 1936, pp. 249-254 



(26) Hunnewell, F. A., "U.S. Coast Guard Cutters," 



SNAME, 1937, pp. 81-114. Describes cutters 

 Escanaba, Algonquin, and Raritan (110-ft harbor 

 cutter). 



(27) Mendl, W. V., "Ice Breakers," SBMEB, Oct 1938, 



pp. 543-544. Gives formula for thickness of ice 

 that can be broken. 



(28) "The Sisu, A Diesel-Electric Ice Breaker," Motor 



Ship, London, Apr 1939, pp. 22-24. Finnish 

 icebreaker. Gives particulars of vessel, with 

 arrangement plan and photographs. 



(29) Macy, R. H., "Icebreakers," USNI, 1940, Vol. 66, 



pp. 669-674 



(30) Smith, R. Munro, "The Design of Icebreakers," 



SBSR, 6 Feb 1941, pp. 127-128. This gives general 



particulars for a typical icebreaker, suggests 

 length-beam and beam-draft ratios, and gives 

 a formula for thickness of ice that can be broken. 



(31) "Icebreakers," SBSR, 20 Nov 1941, pp. 481-484, 491 



(32) "The Ice-breaker Ernest LaPoinie," SBMEB, Jan 



1942, pp. 13-18. This is a twin-screw ice-breaking 

 and channel-surveying vessel built in Canada for 

 the Canadian Department of Transport. 



(33) Wasmund, J. A., "Coast Guard Ice-Breaking 



Vessels," MESR, Dec 1944, pp. 184-186. Includes 

 discussions of hull construction, bow propellers, 

 propulsion motors, speed control, and power re- 

 quirements. 



(34) "Ice-Breaker Design," MESR, Apr 1945, pp. 142-145. 



Includes a history of icebreaking vessels and gives 

 particulars of various icebreakers. 



(35) "Coast Guard's Diesel Powered Ice-Breakers," 



Motorship, London, Jun 1945, pp. 562-566, 604 



(36) Johnson, H. F., "Development of Ice-Breaking 



Vessels for the U.S. Coast Guard," SNAME, 

 1946, Vol. 54, pp. 112-151. A very complete paper, 

 summarizing development to date and describing 

 the design of modern icebreakers. 



(37) Vinogradov, I. V., "Vessels for Arctic Navigation 



(Icebreakers)," Moscow, 1946 (in Russian) 



(38) Outboard profile of Swedish icebreaker with diesel 



drive, having controllable twin propellers aft and 

 one small screw propeller forward, is shown in AM, 

 Jul 1948, p. 26 



(39) Thiele, E. H., "Machinery Installation of the Wind 



Class Coast Guard Icebreakers," ASME, 29 Nov-3 

 Dec 1948, No. 48-A-lll 



(40) Finnish Government Icebreaker Into, with 12,000 



B.H.P. Machinery," Motor Ship, London, Aug 



1950, pp. 166-167. Includes particulars of vessel, 

 discussion of machinery, profile and arrangement 

 plans. Ship has two bow and two stern propellers, 

 with a motor power of 4 times 3,500 horses. 



(41) Kassell, B. M., "Russia's Icebreakers," ASNE, Feb 



1951, pp. 137^152 



(42) "A Motorship for Arctic Waters (Kista Dan)," 



SBSR, 19 Jun 1952; pp. 829-831 



LoA = 212.88 ft H, as cargo vessel = 18.083 ft 



Lpp = 185 ft y = 12 kt 



B, molded = 36.75 ft Deadweight capacity as a 



cargo vessel (iceship) = 



1,200 tons 



(43) De Rooij (pronounced Rooy), G., "Practical Ship- 



building," H. Stam, Harlem, Holland, 1953, Fig. 

 16 on p. 19, Art. 208 on p. 372, and Fig. 798 



(44) Article on icebreakers in The Shipping World, 30 



Jun 1954, Vol. 130, pp. 655-657. Abstracted in 

 IME, Jan 1955, Vol. LXVII, pp. 13-14. These 

 references give data on the Thule, Elbjom, and 

 Voima. 



(45) "Ships Against Ice," Bureau of Ships Journal, Navy 



Dept., Aug 1954, pp. 2-6 



(46) Canadian Icebreaker Labrador, MENA, Aug 1954, 



pp. 293-294. Gives general particulars and an out- 

 board profile. 



(47) One of sLx icebreaking cargo vessels for Russia, being 



built in Holland, is illustrated and described in 



