Description
Ronstan Series 50 AP Fiddle Becket Block with Adjustable Cleat – RF51530:
All purpose (AP) blocks are a great all-around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads.
For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting.
Features:
- Exceptionally high working loads.
- Low maintenance, long service life.
- Self-lubricating sheave.
- Captive Lock universal head.
- Slotted pin shackle eliminates fouled lines.
- Snap fit removable becket pin.
- Multi-position cleat arm.
Applications:
- Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft).
- Ideal for fine-tune mainsheet tackles, cunninghams, backstays and other control line purchase systems.
Materials:
- Impact and U.V. resistant, fibre reinforced Nylon cheeks.
- UV stabilised Acetal sheave.
- Grade 316 stainless steel forged shackle.
- Grade 316 stainless steel bearing liner.
| Product No | Max Rope Dia mm (in) | Sheave Dia mm (in) | Max Working Load g (lb) | Beak Load kg (lb) | Weight g (oz) | Pin Dia mm (in) | Fasteners mm (in) |
|---|---|---|---|---|---|---|---|
| RF51100 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 118 (4.2) | 5 (3/16) | - |
| RF51101 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 98 (3.5) | - | - |
| RF51110 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 134 (4.7) | 5 (3/16) | - |
| RF51111 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 114 (4) | - | - |
| RF51140 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 118 (4.2) | - | - |
| RF51151 | 12 (1/2) | 50 (2) | 500 (1100) | 1000 (2200) | 85 (3) | - | - |
| RF51171 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 115 (4.1) | - | 6 (1/4) |
| RF51200 | 12 (1/2) | 50 (2) | 1000 (2200) | 2000 (4410) | 255 (9) | 6 (1/4) | - |
| RF51210 | 12 (1/2) | 50 (2) | 1000 (2200) | 2000 (4410) | 271 (9.6) | 6 (1/4) | - |
| RF51300 | 12 (1/2) | 50 (2) | 1200 (2650) | 2400 (5290) | 369 (13) | 6 (1/4) | - |
| RF51500 | 10 (3/8) | 54 + 34 (2 1/8 + 1 5/16) | 750 (1650) | 1500 (3310) | 167 (5.9) | 5 (3/16) | - |
| RF51510 | 10 (3/8) | 54 + 34 (2 1/8 + 1 5/16) | 750 (1650) | 1500 (3310) | 176 (6.2) | 5 (3/16) | - |
| RF51530 | 10 (3/8) | 54 + 34 (2 1/8 + 1 5/16) | 750 (1650) | 1500 (3310) | 318 (11.2) | 5 (3/16) | - |
| RF66100 | 14 (9/16) | 60 (2 3/8) | 1100 (2430) | 2200 (4850) | 248 (8.7) | 6 (1/4) |
