Key Features
- Durable marine-grade brass construction for long-lasting service
- Excellent corrosion resistance suitable for saltwater environments
- Precision pivot with adjustable tension for controlled movement
- Sharp needle-point tips for accurate chart plotting and measurement
- Polished, tarnish-resistant finish for easy maintenance
- Compact design for convenient storage in chart drawers or navigation kits
Technical Specifications
| Material | Marine-grade brass |
|---|---|
| Length | 8 in (20.3 cm) |
| Weight | 4 oz (113 g) |
| Point Type | Needle-point tips |
| Pivot | Precision hinge with adjustable tension |
| Finish | Polished, tarnish-resistant |
| Application | Distance measurement, chart plotting, celestial navigation |
Frequently Asked Questions
What are brass chart dividers used for?
Brass chart dividers are used to measure distances and transfer positions on nautical charts. They allow navigators to compare distances between chart features against the scale bar to determine real-world distances.
How do you measure distance with chart dividers?
Place the tips of the dividers on two points on the chart, then transfer the divider span to the chart's latitude scale (or nautical miles scale) to read the corresponding distance. For longer distances, use the step method along the desired route.
Are these dividers suitable for use on a ship?
Yes, they are made from marine-grade brass, which is highly corrosion-resistant and can withstand the salty, humid conditions typically found on ships.
How do I maintain brass chart dividers?
Wipe them clean after use, especially after exposure to salt spray. Occasionally apply a light coat of brass polish to maintain the finish and keep the pivot smooth.
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