An Otter Trawl Door is used to spread the mouth of an otter trawl. The towing warp is hooked to the towing point on the face side of the door. The backstraps hook to the towing plates of the back side of the door. The Portuguese Polyvalent door is shown with a Dan-Leno hookup commonly used on side trawlers and replaces the traditional rectangular door. It has bolt-on shoes and a flotation tank on the top. This door is smaller and spreads more than the rectangular door. It can be found on the Point Judith trawler Sandra and Cindy, which is powered by a 343 Caterpiller.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Construction Diagrams for Portuguese Polyvalent Otter Doors


    Contributors:

    Publication date :

    1978


    Size :

    8 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





    D.H.Canada Otter

    Hiscocks, R.D. | Engineering Index Backfile | 1952


    Twin otter

    Engineering Index Backfile | 1964


    D.H.Canada Otter

    Stevens, J.H. | Engineering Index Backfile | 1952


    OTTER 3.0

    W. McCune | NTIS | 1994