2020 Ronstan Sailboat Hardware Catalogue - Page 63



KEELBOAT BLOCKS
Series 100A Orbit
61
© Contest Yachts
RF109100A
RF109110A
RF109106A
15.5mm (19/32”)
RF109106A suits
RF2435-12B removable
padeye. See page 210
for padeye options
RF109109A
Suits use with RF2437-16
removable lashing padeye.
See page 211 for details.
Exceptionally high strength-to-weight ratio.
Captive ball bearings for side thrust loads.
Head posts of swivel blocks can be locked
at 0° or 90°.
RF109110A removable becket pin allows
lines to be spliced prior to fitting.
PRODUCT No.
DESCRIPTION
Ball Bearing
RF109100A
RF109106A
RF109109A
RF109110A
Single block, universal head
Single block, swivel eye for stand-up
Lashing block
Single block, becket, universal head
* When used with the recommended padeye.
Primary mainsheet, halyard and spinnaker systems
on boats to 18m (60ft).
Cheek plates: Fully machined aluminium alloy.
Secondary mainsheet, vang blocks, spinnaker
systems and halyards on boats to 22m (72ft).
Needle rollers: Torlon®.
Running backstay systems on boats to 16m (53ft).
General control line and lead block applications on
larger yachts.
Sheave: Aluminium alloy.
Ball bearings: High compression strength acetal.
(RF109109A: Torlon®)
Forged shackle, head post & swivel eye:
Grade 17-4PH stainless steel.
SHEAVE
DIAM.
mm
MAX.
ROPE
mm
PIN/EYE
DIAM.
mm
M.W.L.
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in
MAX.
ROPE
in
PIN/EYE
DIAM.
in
M.W.L.
lb
B.L.
lb
WEIGHT
oz
100
100
100
100
16
16
16
16
10.0
15.5
10.0
4250
4000*
5500
4250
8500
8000*
13750
8500
720
740
450
790
4
4
4
4
5/8
5/8
5/8
5/8
3/8
19/32
3/8
9350
8800*
12120
9350
18700
17600*
30310
18700
25.4
26.1
15.9
27.9

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