High-Performance Sailboat Blocks and Rigging Hardware
Sailboat blocks are critical for managing sail handling tasks such as hoisting, trimming, and reefing sails. They are also used for a myriad other applications around the boat.
What to Know
- Choose blocks based on static vs. dynamic load requirements.
- Match sheave width precisely to your rope diameter.
- Freshwater rinsing after saltwater use extends hardware lifespan.
Common Types of Blocks
Selecting the right bearing surface is essential for efficient line handling and durability.
- Non-ball Bearing Blocks: Select for high static loads. these blocks are cost-effective and low maintenance.
- Ball Bearing Blocks: Use for smooth, fast-acting dynamic adjustments.
- Roller Bearing Blocks: High load capacity with significantly reduced friction.
- Ratchet Blocks: Provide holding power and control. Used on mainsheets and for spinnaker trimming on smaller boats.
- Snatch Blocks: Open quickly so there is no need to run the whole line/sheet through the block.
- Fiddle Blocks: Multi-sheave designs ideal for mainsheets and boom vang systems, where space is limited.
Selection and Maintenance Considerations
Always verify that the rope diameter is compatible with the sheave width to prevent jamming or premature line wear. Additionally, the size of the boat dictates the required working loads for every block in the system (weakest link principle).
Regularly inspect all components for signs of corrosion or stress fractures. To maintain peak performance, clean your blocks with fresh water after every outing in salt spray and apply a manufacturer-approved marine lubricant to the bearings.
Extensive Marine Inventory
As a leasing marine supply provider, Fisheries Supply maintains a vast inventory of specialized equipment, ranging from deck organizers to low friction rings. We offer competitive pricing on specialized marine blocks and support our customers with nationwide and international shipping.
Shop now and save or browse our wide selection of sailboat cleats.
Frequently Asked Questions
How often should I clean my sailboat blocks?
Clean blocks after every sail when they have been exposed to saltwater to prevent corrosion and maintain smooth operation.
How do I lubricate sailboat blocks?
Use marine-grade lubricant on bearings and sheaves as recommended by the manufacturer to ensure smooth movement.
Why are snatch blocks useful on a sailboat?
Snatch blocks are handy to have on a sailboat because they can quickly solve line routing problems.
What determines the necessary block size?
The size of the boat is relevant for block sizes.
What must match the rope diameter when selecting a block?
The rope cross-section must match the width of the sheave in the block.