Ronstan Series 40 Orbit Cheek Block - 40 mm (1 9/16") - RF46151
$67.15
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Ronstan Series 40 Orbit Cheek Block - 40 mm (1 9/16") - RF46151 Item # 879839
Description
Ronstan's Ratchet Orbit Blocks™ are specifically designed for racing sailboats and provide the highest holding power available on the market. The Series 40 delivers up to 14:1 holding power and features Generation 2 of Ronstan's patented sheave cross-hole geometry and straight resistance faces which both distribute the load and minimize rope wear.
Features:
- Recessed underside to suit curved mounting surface
- Fully automatic, load sensing ratchet engagement
- Ultra lightweight, low profile and compact
- Up to 14:1 holding power - the highest available!
- Low friction 2-stage Orbital ball bearing system
- Highest working load in its class
- Smooth easing of sheets
- Low mounting points for maximum strength
- Clockwise rotation
- Applications:
- Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
- Spinnaker sheets on dinghies, sportsboats and small keel boats to 9m (30ft)
- Halyard, Vang and Backstay application on boast to 8m (26ft)
- Control line applications on larger yachts
Specifications:
- Safe working load: 385 lbs (175 kg)
- Breaking load: 1,100 lbs (500 kg)
- Weight: 1.3 oz (36g)
- Sheave diameter: 1 9/16" (40 mm)
- Maximum line size: 5/16" (8 mm)
- Materials:
- Ball bearings - High compression strength carbon black Acetal
- Stage 2 bearing - Carbon fiber reinforced, PTFE impregnated Nylon
- Frame/Cheeks - Toughened, glass fiber reinforced Nylon
- Recommended fasteners: 2 x 4 mm (5/32") counter sunk head screws