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272
Core Blocks
™
are a true all round solution. A tuned 2-stage bearing system p
rovide
s ex
c
e
ll
ent
pe
rf
orma
nc
e
across the full working load range with an integrated thrust bearing feature and
t
he
r
esil
ie
nce
to
handle
hi
gh
dynamic or static loads. Acetal & aluminium sheave options, alloy cheeks and
s
ta
in
less
f
ix
in
gs
c
om
pl
et
e
the durable package. For reliability and a long service li
fe,
th
es
e
bl
oc
ks
a
re t
he
r
ig
ht
control line applicat
ions for
cr
ui
si
ng
and
r
acin
g
.
s and
choice for sheets, halyard
Bearing
rsal
Unive
high static load per
fo
rm
a
n
c
e
and
Dynamic
Bearing incorporates our pr
o
ve
n
2-
stag
e be
ar
in
g
sy
st
em.
versal
The Ronstan Uni
Stage 1
s, acetal ball bearings ensur
e m
i
n
im
um
f
ri
ctio
n
.
load
- Under moderate
Stage 2
where deformation of bal
l
b
e
a
r
in
gs
alone
w
o
uld
r
es
ul
t
in
loads,
- Under heavy
acetal bearing on a polish
e
d sta
in
le
ss
steel
r
a
c
e
t
a
ke
s
ov
er
,
liding
increased friction, a s
erformance.
tion p
maintaining low fric
ings are configured to ac
t a
s a
th
ru
st
b
ea
ri
ng bet
we
en
ll bear
Additionally the ba
, preventing the sheave f
ro
m
ru
b
b
in
g
on
t
he
ch
e
ek
s
heeks
the sheave and c
when the line lead in and
out of
th
e
bl
oc
k
is
n’t
pe
rf
ect.
tion
and causing fric
nt for foot blocks.
por ta
Par ticularly im
minium sheav
e optio
n
s
& alu
Acetal
are available with a
n
al
um
in
iu
m
sheave w
hich
has a deep
odels
Selected m
pecifically made fo
r use w
ith
wi
re.
ofile s
groove pr
m alloy che
e
k
pl
a
tes
iniu
Alum
ks are manufac
tu
re
d
from the h
ig
he
st q
uality alumini
um
chee
Block
aximum streng
th
.
Ma
te
ri
al
o
pt
i
m
isation
an
d
the
c
u
t
-away
for m alloy
nimises wei
ght and
allows e
as
y
fres
h
water ri
nsin
g
of
salt
gn mi
desi
is from th
e
bear
ings.
d debr
an
design h
as b
een fur ther
styl
ed w
ith
flar
in
g at the block throa
t
heek
C
duced
gap
betw
een
th
e ch
ee
k
an
d sheave,
minimising
r
ope
w
ear
,
nd re a
e ho
ll
ow h
ub
can b
e
used
a
s a
be
ck
et take-
off or t
ie-u
p
po
int.
and th
v
ersal he
ad
Uni
e
a
d
a
ss
em
bl
y
in
corpor
at
es a bras
s
b
ea
ring
w
as
he
r
to
The
h
d
e
s
m
oo
th
3
60
° ro
tation o
f the po
st
a
nd
s
hack
le
.
A se
t
p
r
ov
i
w
a
r
ra
ng
em
en
t allows
t
he h
ea
d to
be
lo
cked
a
t
0
°
o
r
90
°
.
sc
re
kles
a
r
e
h
igh
qu
alit
y fo
r
g
ed
g
ra
de
316
s
t
a
i
n
l
ess
s
te
el
.
Sh
ac
p
re-
s
p
li
ce
d line
s
Suit
s
le
b
e
ck
e
t
p
ins
al
l
o
w
fitt
i
ng
of
p
re-spliced lines. The flush
fi
t
mo
va
b
Re
hea
d
is k
in
d
o
n d
ec
k
su
rf
ac
es
a
nd
won’t snag li
nes.
et
p
in
be
ck
u
la
te
d st
a
nd-
up
r
ti
c
Full
y
a
a
ve
a
l
o
w p
ro
fi
le lin
kage t
hat
pr
o
v
i
d
e
s
f
ul
l ro
ta
ti
on and
el
s
h
St
an
d
-
u
p
m
o
d
n
gt
h
precisio
n
ca
st p
ad
e
y
e
m
ini
mi
ses
the footprint
and
a
h str
e
ar ti
c
u
lati
o
n
.
A
hi
g
s
the
bl
oc
k is
h
el
d
up
ri
g
h
t
wh
en n
ot
loa
de
d.
n
su
re
d
e
di
ca
te
d
r
u
b
b
er
b
oo
t
e
BLOCKS
™
Acetal
Sheave
Alloy
Sheave
Rope
Wire Rope
Stage 1
Stage 2
De
gr
ee
of
in
no
vati
on
Fu
nc
ti
on
al
it
y
Fo
rmal quali
ty
Er
gono
i
m cs
Durabi
li
ty
Sy
mb
ol
ic
a
nd
e
mo
tive
S
elf-e
xp
la
na
ti
o
n
qua
lity
Ecol
og
ic
al
sou
ndness
RPM
213
RE
-
V2
