Ronstan RF159151 Series 150 Orbit Block Single Foot
Ronstan RF159151 Series 150 Orbit Block Single Foot
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Auckland 0626,
NZ
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Orbit blocks are a no-compromise product range developed to meet
the demands and expectation of the very dedicated and increasingly
professional racing sailor. Side cheeks incorporating head
structure and hub are precision machined as a single part from
solid alloy, leaving material only where it contributes to the load
carrying capacity of the block and eliminating the need for
additional fasteners. The Orbit sheave has captive Acetal or Torlon
ball bearings for side thrust loads, eliminating the need for side
retainer plates. This reduces weight and allows for a wider bearing
surface that can accommodate longer Torlon needles - achieving a
substantially higher strength-to-weight ratio.Features through-hub
mounting for maximum strength and can be stacked to create a double
(total block load same as single, maximum load on top sheave not to
exceed 50% of total block load).Cover plate can be removed for
service access without removing t
Features:
Specifications:
Applications
- Mainsheet and genoa sheet systems on boats to 25m (82ft)
- Spinnaker systems, halyards on boats to 28m (92ft)
- Running backstay systems on fractionally rigged boats to 20m (65ft) or 25m (82ft) masthead
Materials
- Fully machined Alloy cheek plates
- Alloy sheaves with captive ball races
- Torlon needle rollers
- Carbon black Acetal ball bearings
Features:
- The highest strength-to-weight ratio
- Minimal friction loss, especially when working at high loads
- Totally reliable and trouble free performance
- Simplicity of design and construction to facilitate maintenance and servicing
- Elegant, functional styling and finish.
- Stackable to create double version
- Removable cover plate
Specifications:
| Sheave diameter | 150 mm |
|---|---|
| Max. Rope diameter | 20 mm |
| Max. Cable diameter | - mm |
| Pin diameter | - mm |
| M.W.L. | 6500 kg |
| B. L. | 14200 kg |
| Weight | 1285 g |
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