RF72100: SERIES 75 RATCHET BLOCK
Single Sheave Block with Lockable Swivel Shackle Head and Ratchet
FEATURES
- Unrivalled 20:1 holding power.
- Dual sided On/Off switch.
- Ability to operate On/Off switch under load.
- Low friction ball bearing system.
- Lightweight.
- Cheek cut-outs for easy bearing maintenance.
SPECIFICATIONS
- B.L. (kg) 2000
- M.W.L. (kg) 420
- Max. Rope diameter (mm) 12
- Weight (g) 290
- Pin Ø (mm) 7
PRODUCT INFORMATION
- The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power.
- Unrivalled low weight is achieved by the use of a Torlon® ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired).
- Ratchet blocks can be disassembled for sheave replacement with RF72000.
APPLICATIONS
- Dinghy mainsheet systems - when maximum holding power is required.
- RF72100 mainsheet systems on sportsboats using RF7 mainsheet swivel cleat unit.
- Control line applications on larger yachts.
MATERIALS
- Sheave & cheek plates: Anodised aluminium.
- Ball bearings: High compression strength acetal.
- Ratchet pawl: High strength Torlon®.
- Swivel shackle head fitting: Grade 316 stainless steel.