Food in Abundanæ
41
the trawl moves through the water. In British trials, a mid—water
trawl towed at 10 knots caught a large proportion of herring that had
been detected in its area, but at
this speed the operation was
only about 60 per cent successful.
-
_
Recent progress in nets and similar gear would have'been im—
possible without accompanying innovation on board shing vessels
themselves. The introduction of the poWer block—a hydraulically
powered winch slung on the end of a
produced
extraordinary results in seine shing. Largernets can be handled by
fewer men than in the past. It has been argued that the power block
was instrumental in promoting the.:fantasticgrowrh of the Peruviah
_
sheries where the catch increased vefold over the decade from»
1953. Mechanical handling and automation are becoming part of
everyday life in advanced sheries. They reach their peak in modern;
trawlers but, before looking at these, it isadvisable to consider what
a relatively simple change from primitive craft to specially designed
shing beats can do for a developing shery.
_
;
,
,
'
At the request of the Ceylon Government, the Foodand Agricul—
»
ture0rganizatiOn of the United Nations sent a naval architect, Erik
Estlander, to design a shing boat suitable for operating «in: their.
waters.
In 1960, after trying out numerous different models,
Estlander came up with a 26—foot boat With an inbôard
E—26. The boat carries a crew of ve and its average daily catch.
during the monsoon between-: December and April is about a
thousand pounds of sh—about ten times the catChof other bôats; —
Even during the off—season, the E—.26 far outstrips its closest,locah
competitŒs of which catamarans are " by far the largest. An 1111—
»
motorized ‘cat’ takes about 10 to; 12 pounds of shperdayThe
addition-of an outboard motor increases the
past a catch of 20 pounds was the oct:asion for a
;—
In spite of examples such as theE—èzô, the
the prize for the most important adVance ;inshing bOat de51gnAs
'
the name suggests the .net is handled ovepthe stem instead of over
the side as in conventional trawlers. This
from
vent—ional‘ design resulted directly fromthe experience fa-British;
whaling company,, Christian Salvesen of Leith.;
ventures after—whaleS“ in the AntarCtic
becoming less prot—.
abl€:îthe
see if eXperiencegained in handling
these“;giant mamrals
be of any
the
wider context of shing. The.end of these deliberations ;wasseen-in
…
2
41
the trawl moves through the water. In British trials, a mid—water
trawl towed at 10 knots caught a large proportion of herring that had
been detected in its area, but at
this speed the operation was
only about 60 per cent successful.
-
_
Recent progress in nets and similar gear would have'been im—
possible without accompanying innovation on board shing vessels
themselves. The introduction of the poWer block—a hydraulically
powered winch slung on the end of a
produced
extraordinary results in seine shing. Largernets can be handled by
fewer men than in the past. It has been argued that the power block
was instrumental in promoting the.:fantasticgrowrh of the Peruviah
_
sheries where the catch increased vefold over the decade from»
1953. Mechanical handling and automation are becoming part of
everyday life in advanced sheries. They reach their peak in modern;
trawlers but, before looking at these, it isadvisable to consider what
a relatively simple change from primitive craft to specially designed
shing beats can do for a developing shery.
_
;
,
,
'
At the request of the Ceylon Government, the Foodand Agricul—
»
ture0rganizatiOn of the United Nations sent a naval architect, Erik
Estlander, to design a shing boat suitable for operating «in: their.
waters.
In 1960, after trying out numerous different models,
Estlander came up with a 26—foot boat With an inbôard
E—26. The boat carries a crew of ve and its average daily catch.
during the monsoon between-: December and April is about a
thousand pounds of sh—about ten times the catChof other bôats; —
Even during the off—season, the E—.26 far outstrips its closest,locah
competitŒs of which catamarans are " by far the largest. An 1111—
»
motorized ‘cat’ takes about 10 to; 12 pounds of shperdayThe
addition-of an outboard motor increases the
past a catch of 20 pounds was the oct:asion for a
;—
In spite of examples such as theE—èzô, the
the prize for the most important adVance ;inshing bOat de51gnAs
'
the name suggests the .net is handled ovepthe stem instead of over
the side as in conventional trawlers. This
from
vent—ional‘ design resulted directly fromthe experience fa-British;
whaling company,, Christian Salvesen of Leith.;
ventures after—whaleS“ in the AntarCtic
becoming less prot—.
abl€:îthe
see if eXperiencegained in handling
these“;giant mamrals
be of any
the
wider context of shing. The.end of these deliberations ;wasseen-in
…
2