Specifications for Ronstan Series 120 furler - Drum, bottom-up
| Recommended line - Max Ø (mm) | 8 |
| Recommended Boat size - Max (ft) | 33 |
| Jaw pin Ø (mm) | 8 |
| Jaw width (mm) | 15.4 |
| Pin Ø (mm) | 7.9 |
| Drum Ø (mm) | 120 |
| SWL (kg) | 1800 |
| NBL (kg) | 3600 |
| A (mm) | 126.4 |
| B (mm) | 18.1 |
| C (mm) | 77.5 |
| D (mm) | 107.5 |
| E (mm) | 26.5 |
| F (mm) | 15.4 |
| G (mm) | 7.9 |
| H (mm) | 8 |
| I (mm) | 120 |
| J (mm) | 131 |
| Weight (g) | 383 |
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Ronstan Generation 2 – Rotation stop
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Ronstan Generation 2 – installation of furling line
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R-RS212000_Ronstan S120 Gen 2 Furler Drawing_001.PDF
Ronstan Series 120 Gen 2 Furler Drawing
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R-RS212000_Ronstan S120 Gen 2 Bottom Up Furler Manual_001.pdf
Ronstan Series 120 Gen 2 Bottom Up Furler Manual
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Ronstan's range of continuous line furlers puts great performance and reliability within the reach of cruising and racing sailors alike. The Ronstan Series 120 standard furler is designed for upwind sailing with straight luff sails in true wind angles less than 90˚ (e.g. Code 0, Screecher, Staysail). Advanced drum technology: Drums incorporate a sophisticated furling line groove profile and cross-hole geometry to grip the furling line securely when furling. When deploying the sail the continuous furling line self-ejects from the grip zone, remaining stationary for smoother, safer operation with minimum rope wear. A PTFE perimeter strip ensures the unloaded furling line can't fall from the drum or become snagged. Furlers and top swivels feature a factory sealed, maintenance free bearing. The continuous furling line is easily fitted and removed from the furler without tools, so it can be left on deck when the sail and furler are stowed below. Drum diameter is matched to load rating to provide the optimum balance between speed and ease of furling and the furling line guide can be adjusted to suit either 0 or 90 degree attachment as required. Both the furling drum and top swivel have retained clevis pins and the drum includes high resistance shackle RS212050 on its underside. Attachment options include snap shackle, 2:1 fairlead and torsion rope thimble. A compact rotation stop can be installed on the underside of the Series 120 furler to prevent inadvertent unfurling of the sail; locked out when in use and in when the sail is furled or stowed. Specified weight excludes shackle. Designed to work with top swivel RS212010, the Ronstan Series 120 standard furler is rated to 3,600kg NBL and is optimised for use with 8mm furling line (not included). Ronstan continuous line furling systems require the sail to be either completely unfurled or completely furled – the furler cannot be used with a partially furled sail.
Specifications
| Recommended line - Max Ø (mm) | 8 |
| Recommended Boat size - Max (ft) | 33 |
| Jaw pin Ø (mm) | 8 |
| Jaw width (mm) | 15.4 |
| Pin Ø (mm) | 7.9 |
| Drum Ø (mm) | 120 |
| SWL (kg) | 1800 |
| NBL (kg) | 3600 |
| A (mm) | 126.4 |
| B (mm) | 18.1 |
| C (mm) | 77.5 |
| D (mm) | 107.5 |
| E (mm) | 26.5 |
| F (mm) | 15.4 |
| G (mm) | 7.9 |
| H (mm) | 8 |
| I (mm) | 120 |
| J (mm) | 131 |
| Weight (g) | 383 |
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