Ronstan RF56101 Series 55 Orbit Ratchet & Auto-Ratchet Block

SKU:
128234

£81.38

£81.38 ~~£85.66~~

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Product Video

Ronstan RF56101 Orbit Ratchet Block. Designed for applications where weight is of paramount importance. The securing loop is easily changed and we suggest that you use either a forged eye or shackle to secure the block as pressed steel fittings can be sharp and will prematurely wear the rope mounting.

Features:

Automatic and Manual ratchet in one block
Up to 20:1 holding power
Easily fitted and securely retained Dyneema Link head
Smooth easing of sheets
High performance cleating

Technical:

Sheave Diameter 55mm
Maximum Rope Diameter 10mm
Maximum Working Load 250kg
Breaking Load 500kg
Weight 78g

Materials:

Ball bearings - High compression strength carbon black Acetal
Stage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon
Frame/Cheeks - Toughened, glass fibre reinforced Nylon
Rope Link: UV stabilised, multi-strand impregmented SK75 Dyneema

Applications:

Mainsheet systems on dinghies
Spinnaker sheets on dinghies
Control line applications on larger yachts

Some RT Orbit Blocks™ can be set to Automatic mode or Manual mode to suit the application or user’s preference.

OPERATION

Ronstan Orbit Ratchet

MANUAL MODE
RT blocks leave the factory in Manual mode, with the black MODE switches on both sides of the block positioned away from the red ON/OFF knob.

Use the red ON/OFF knob to turn the ratchet ON or OFF.

AUTO MODE
With the block in Manual mode, turn the ratchet off by rotating the red ON/OFF knob to the OFF position.

Slide the black MODE switch firmly toward the red ON/OFF knob until it locks into the recess in the knob. Repeat with the MODE switch on the other side of the block.

The block is now in Auto mode.

To return to Manual mode, slide the black MODE switches on both sides of the block firmly away from the red ON/OFF knob. Now use the red ON/OFF knob to turn the ratchet ON and OFF.

We recommend using the RF613S shackle to securely attach the block to the existing deck eye on your boat. This helps the block maintain maximum freedom of movement and reduces the risk of wear on the Dyneema loop due to sharp edges on the deck eye, then use the 8072 Rubber Boot to keep the block upright and provide a neat finish. See related items.

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