Ronstan Series 40 Ball Bearing Ratchet Orbit Block™ - manual, swivel shackle head
Quite simply, Ronstan Ratchet Orbit Blocks™ have the highest holding power available. The sophisticated NC-machined sheave features Generation 2 of our patented sheave cross-hole geometry. The Series 40 delivers up to 14:1 holding power, almost double that of our nearest competititor. The unique sheave design has 8 gripping faces which directly resist loaded line movement. Traditional designs have an angled resistance to line movement. Our Generation 2 design has straight resistance faces which both distribute the load and minimise rope wear. These faces are offset from the radial line, to draw the rope down into the gripping area when under load. Manual modes allow the ratchet mechanism to be switched on or off as required. This is the preferred mainsheet set-up for many top sailors. The Dyneema® Link is easily fitted and is retained securely by a moulded retainer clip. The flexible link can be left with one end attached to the block when fitting - no more lost shackle pins!
Spezifikationen
| Bearing type | Ball bearing |
| Empfohlener max. Leinendurchmesser (mm) | 9 |
| Empfohlene max. Bootsgröße (ft.) | 26 |
| Scheibe Ø (mm) | 40 |
| Ratsche | Auto |
| SWL (kg) | 175 |
| NBL (kg) | 500 |
| Gewicht (g) | 44 |
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