A course in trawl technology in Hirsthals, Denmark in Nov. 2000
Support by SINTEF Fisheries and Aquaculture in Norway
The stundets and one of the instructors: Yoland Ploudre Canada, Gorka Sancho Spain, Svein Gj�sund Norway, Arjen Boon Holland, Luis Arregi Spain, Real Tapp Canada
Larus Palmason Iceland, Snorre Angell Norway, Ulrik Jes Hansen (instructor) Denmark, Ricardo Roth Argentina.
Pictures from the course on next 2 pages
Trawl testing in the flumetank in Hirstals
Butterfly Trawl
The opening of the butterfly trawl
Perfect V door
Tormo trawl
Skagerak Traal og not Shrimp Trawl
The meshes in the middle are not much open,  top and lower wings are wide open.  That trawl have 3 bridles
There are less space between the rockhopperdisches on the middle, than in the front part of th rockhoppergear
Baltic Survey Trawl
The float in the middle vibrate a little
Thybor�n V door type 2
Kalut/Skervoy Trawl
Millionaire Trawl
Joining 1:4
Pelagic Murmansk Trawl with hexagonal meshes
Joining 1:2
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