Description
Ronstan Series 40 Orbit BB Quin Block | Boat Supply Store
Engineered for demanding sail control, this block excels in high-load situations, featuring toughened glass fiber reinforced nylon cheeks for exceptional strength-to-weight ratio. Its advanced 2-stage ball bearing system minimizes friction, crucial for precise mainsheet or spinnaker trim on dinghies and sportsboats up to 8m. With a working load limit of 1320 lb., it ensures reliable performance for critical control lines.
Key Features
- Superior Load Ratings for demanding sail control.
- Lightweight Strength via toughened glass fiber reinforced nylon cheeks.
- Ultra-Low Friction from the advanced 2-stage ball bearing system.
- Secure Rope Holding with the carbon-reinforced C-Cleat™.
- Adjustable Cleating for optimal rope angle.
- Versatile Quin Sheave configuration for multi-line systems.
- Compact, Low-Profile Design to minimize deck clutter.
- Integrated Becket and Swivel Shackle for direct attachment.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 1-9/16 in. |
| Max. Rope Diameter | 3/8 in. |
| Pin Diameter | 5/32" |
| Working Load Limit (MWL) | 1320 lb. |
| Breaking Load (B.L.) | 2650 lb. |
| Weight | 8.7 oz. |
Who This Is For
Performance-oriented sailors with dinghies, off-the-beach catamarans, and sportsboats up to 8m (26ft) will benefit from its efficient control line management. Sailboats up to 9m (30ft) requiring reliable halyard, vang, or backstay control will find this block indispensable.
How It Compares
| Feature | Ronstan Series 40 Orbit BB Quin Block | Harken 163 Single Swivel Block |
|---|---|---|
| Sheave Diameter | 1-9/16 in. | 1-1/2 in. |
| Max. Rope Diameter | 3/8 in. | 3/8 in. |
| Working Load Limit (MWL) | 1320 lb. | 1500 lb. |
| Weight | 8.7 oz. | 6.4 oz. |
| Integrated Cleat | Yes (C-Cleat™) | No |
| Bearing System | 2-stage ball bearing | Ball bearing |
| Cheek Material | Toughened glass fiber reinforced nylon | Composite |
Common Concerns Answered
Is the price of this block justified?
While the initial investment may be higher than basic blocks, the Ronstan Series 40 Orbit BB Quin Block's superior strength-to-weight ratio, class-leading load ratings (1320 lb. MWL), and advanced 2-stage ball bearing system deliver exceptional long-term performance and durability, making it a valuable asset for serious sailors.
Does the cleat work with all rope types?
The carbon-reinforced C-Cleat™ is designed for secure rope holding, and while generally effective, occasional adjustments may be needed to optimize grip for specific rope materials or constructions. This ensures reliable performance across a wide range of control lines.
Is this block suitable for my smaller boat?
The compact and low-profile design makes it ideal for boats up to 8m (26ft), including dinghies and sportsboats, where efficient control line management for mainsails, spinnakers, or halyards is paramount.
Frequently Asked Questions
What is the maximum rope diameter this Ronstan Series 40 Orbit BB Quin Block can accommodate?
The Ronstan Series 40 Orbit BB Quin Block is designed to accommodate a maximum rope diameter of 3/8 inch.
What is the working load limit (MWL) for the Ronstan Series 40 Orbit BB Quin Block?
The working load limit (MWL) for the Ronstan Series 40 Orbit BB Quin Block is 1320 lb.
What are the primary applications for the Ronstan Series 40 Orbit BB Quin Block?
Primary applications include control lines such as mainsheets, spinnaker sheets, halyards, vangs, and backstays on dinghies, off-the-beach catamarans, sportsboats up to 8m (26ft), and sailboats up to 9m (30ft).
What type of bearing system does the Ronstan Series 40 Orbit BB Quin Block use?
The Ronstan Series 40 Orbit BB Quin Block utilizes an advanced 2-stage ball bearing system for minimal friction and maximum performance.
What is the weight of the Ronstan Series 40 Orbit BB Quin Block?
The Ronstan Series 40 Orbit BB Quin Block weighs 8.7 oz.
