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Ronstan Sailboat Hardware | SKU:
RONRF56100
Ronstan Series 55 RT Orbit Block, Single Swivel Head
Sale price
$92.10
Regular price
$108.35
Unit price
Unavailable
Shipping calculated at checkout.
Pickup available at 1830 East Interstate 30
Usually ready in 24 hours
Shipping and Delivery
Free shipping for orders of $98 or more (US Continental)
- Free shipping for orders of $750 or more (International)
- Add 3 business days to the standard shipping time for USPS deliveries.
- UPS and FedEx Ground usually take 2 to 5 business days for in-stock orders.
- UPS and FedEx deliver on Saturdays only for Friday overnight shipments, which may incur an extra
charge. - Orders that apply for free shipping will be delivered between 8 and 10 business days.
- International customers will be responsible for any applicable import duties,fees, or taxes.
- Oversized items like whisker poles, spinnaker poles, and tracks over 7 feet require freight shipping, with an estimated cost of $500 depending on the destination.These orders must be delivered to a
commercial address, such as a marina, yacht club, or boatyard where your sailboat is located.
A recipient must be present to sign for the delivery upon arrival,For more info, Click Here.
Ronstan Series 55 RT Orbit Block, Single Swivel Head
Sale price
$92.10
Regular price
$108.35
Unit price
Unavailable
Ronstan Sailboat Hardware | SKU:
RONRF56100
Sale price
$92.10
Regular price
$108.35
Unit price
Unavailable
Shipping calculated at checkout.
Manufacturer part #: RF56100 1
Technical Description
Series 55 RT Orbit Single Swivel Head Block
2 5/32 in
55 mm
3/8 in
10 mm
550 lb
250 kg
1430 lb
650 kg
2.9 oz
82 g
Manufacturer part #: RF56100
Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes (Selected Series 55 models). In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetric spinnakers. In manual mode, the ratchet mechanism can be switched on or off as required. This is the preferred mainsheet set-up for may top sailors. Try the block in both modes and see which you prefer - you really can't go wrong.
Awesome ratchet block holding power
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. Its holding power is up to 21:1, almost double that of our nearest competitior. The unique sheave design has 12 gripping faces which directly resist loaded line movement. Traditional designes have only 8 faces with 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.
Applications
- Up to 20:1 holding power
- Smooth easing of sheets
- High performance cleating
- Swivel shackle head for unlimited block rotation
- Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points
- Automatic & manual ratchet block
Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes (Selected Series 55 models). In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetric spinnakers. In manual mode, the ratchet mechanism can be switched on or off as required. This is the preferred mainsheet set-up for may top sailors. Try the block in both modes and see which you prefer - you really can't go wrong.
Awesome ratchet block holding power
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. Its holding power is up to 21:1, almost double that of our nearest competitior. The unique sheave design has 12 gripping faces which directly resist loaded line movement. Traditional designes have only 8 faces with 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.
Applications
- Mainsheet systems and spinnaker sheets on dinghies, sportsboats and small keel boats to 8 m(26 ft)
- Halyard, vang and backstay applications on boats to 8 m (26 ft)
- Spinnaker sheets on sportsboats and small keel boats (lateral lead blocks)
- Sheave: Hard anodised Aluminium
- Ball Bearings: High compression strength carbon black Aceetal
- Frame/Cheeks: Toughened, glass fibre reinforced Nylon
- Rope Link: UV stabilised, multi-strand impregnated SK75 Dyneema°
- Head fitting: grade 316 stainless steel
