Ronstan RF129109A Series 125 Orbit Lashing Block

Orbit Blocks are a no-compromise product range developed to meet the demands and expectations 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 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.

Due to their direct attachment capability Lashing blocks are extremely versatile. They can accept multiple lashing lines at the head and the hollow hub can be utilised as a becket take-off. Unlike others on the market, these hollow hubs feature large radii to minimise rope fatigue. For comprehensive installation instructions see:

Lashing Block Installation Instructions

 

Materials

• Fully machined Alloy cheek plates
• Alloy sheaves with captive ball races
• Torlon needle rollers
• Acetal guide rollers
• Torlon ball bearings - Series 100, 125 and 150

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.

Specifications:

Sheave diameter	125 mm
Max. Rope diameter	18 mm
Max. Cable diameter	- mm
Pin diameter	- mm
M.W.L.	6500 kg
B. L.	19500 kg
Weight	930 g