The need for icebreakers in the northernmost part of the Gulf of Bothnia as well as the economics of winter navigation are discussed in some detail. The preliminary design of the URHO-ATLE class of icebreakers as well as model tests in the ice are reviewed. Icebreaker specialities and environmental considerations are explained. The machinery and the DC-DC electrical transmission system are viewed.

  • Supplemental Notes:
    • Presented at the Ice Tech Symposium, Montreal, Canada, April 9-11, 1975.
  • Corporate Authors:

    Society of Naval Architects and Marine Engineers

    601 Pavonia Avenue
    Jersey City, NJ  United States  07306-2907
  • Authors:
    • Johansson, B M
    • Saarikangas, J M
    • Waltzer, I
  • Publication Date: 1975-4

Subject/Index Terms

Filing Info

  • Accession Number: 00095808
  • Record Type: Publication
  • Source Agency: Society of Naval Architects and Marine Engineers
  • Report/Paper Numbers: Paper
  • Files: TRIS
  • Created Date: May 29 1975 12:00AM