Specifications for Ronstan Series 280 furler - 3:1 friction sheave
| Recommended line - Max Ø (mm) | 12 |
| Material | AL6061 |
| Pin Ø (mm) | 16 |
| SWL (kg) | 8000 |
| NBL (kg) | 16000 |
| A (mm) | 110 |
| B (mm) | 16 |
| C (mm) | 20 |
| D (mm) | 30 |
| E (mm) | 66 |
| F (mm) | 14 |
| G (mm) | 27 |
| H (mm) | 14 |
| Weight (g) | 800 |
Ronstan's range of continuous line furling systems puts great performance and reliability within the reach of cruising and racing sailors alike. This AL6061 anodised aluminium fairlead can replace the shackle on the furler to provide a 3:1 or 2:1 purchase on the furler attachment. For a 3:1 purchase the tack line is dead ended on the becket point located on the fairlead. The rope then runs down to the bowsprit around a sheave and then up and over the fairlead. Finally the rope then feeds back down to a second sheave and back along the deck to a clutch. Alternatively the fairlead can be setup as a 2:1 purchase with the tack line dead ended at the bowsprit and running up and over the fairlead, back down to the end of the bowsprit and then back to a clutch. The becket point can then be used for a pullback line to assist with peeling between different furled sails.
Specifications
| Recommended line - Max Ø (mm) | 12 |
| Material | AL6061 |
| Pin Ø (mm) | 16 |
| SWL (kg) | 8000 |
| NBL (kg) | 16000 |
| A (mm) | 110 |
| B (mm) | 16 |
| C (mm) | 20 |
| D (mm) | 30 |
| E (mm) | 66 |
| F (mm) | 14 |
| G (mm) | 27 |
| H (mm) | 14 |
| Weight (g) | 800 |
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