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The specs I found say that FV harvester and its identical sister ship FV ocean harvest are "pair seiners". Now I know what a Seine net is, but what exactly is a "pair seiner"?Quote:
Originally Posted by Ean Austral
Btw - Karl - there is a crab boat called the FV harvester which operates out of the US/Canada, which may have been what confused you.
If the northern boats are anything like our southern boats they will re-rig as seasons for various target species change.
Garry
Pair Seining is where 2 vessels trawl with 1 great big net between them..The net is usually hauled on 1 boat then next shot onto the other..Quote:
Originally Posted by isuzurover
It is extremely difficult, as wire ratio's, speed, and just about every operation has to be exactly the same on both vessels..
It would be easier now days with the advent of such accurate GPS ETC plus wire monitors and the likes.
The benifit is a very large area can be covered resulting in a greater coverage of the sea bottom resulting in greater catch .I believe the techknowlagy is now around where 1 boat can control both boats,but not real sure if thats true..
Cheers Ean
Sorry Ben,
Got my pair seining and pair trawling mixed up, but its the same general thing just a different style of net..
Cheers Ean
Thanks Ean.Quote:
Originally Posted by Ean Austral
Btw - you must have missed this on P2:
New Peterhead pair seinersQuote:
Harvester and Ocean Harvest are the first new pair seiners to feature a Scantrol radio link. This enables the skipper of either vessel to take control of both boats when pair-seining, including distance apart, course, engine and pitch control, in addition to adjusting warp length through a Scantrol Ispool autotrawl/seine system. Considering that the auto spooling has to change three times to take account of the different diameters of wire and rope spooled on the middle drum when pair seining, this is an impressive development.
Large Taiwanese Pair Trawlers that used to operate in the Gulf in the 70s had a Master boat and a slave boat. The boats had a single skipper, navigator and fishing captain who commanded both boats from the Master boat. The master boat had all the navigation, radar and other key equipment while the slave boat only had a basic compass to steer by. It could not navigate itself and the skipper was more like a foreman rather than a skipper. The slave just followed the master around when steaming and when pair trawling for prawns it followed radio commands from the Master.Quote:
Originally Posted by Ean Austral
So in effect one boat controlled both even back in those days.
Garry
Just out of interest this is the link that confused me: Mike Wood's Photos - cDiver.net. I now believe this Mike Wood fella is a bit of naughty boy.Quote:
Originally Posted by isuzurover
Cheers
KarlB
:p
Cousin of mine is in the navy (RAN for those who read my location) based in Perth. They do trips out to patrol the Toothfish fishing grounds as there is a problem with boats coming down from Europe and poaching the fish which is controled by limited quotas to protect stocks. Not something which is really understood Europe.
Tells me these trips are memorable as at no time is the boat level they are always either going up hill or down the other side. Boat then spends a few weeks parked in dock being repaired as the pounding has broken plenty of equipment. A lot of stuff is fitted in such a way that only gravity holds it in place which means in this kind of sea it is constantly pounding up and down in the ship for a few weeks.
For those who have a deeper understanding of the correct terms I should have used here to describe this I say sorry.