Description
Davis Artificial Horizon for Sextant Navigation | Boat Supply Store
Obtain precise celestial sights even when a natural sea horizon is unavailable with this compact, windproof artificial horizon. It provides a stable reflecting surface for your sextant, essential for accurate navigation and practice. Measuring 6" x 4" x 1-1/2" (15 x 10 x 4 cm), this unit requires only water for operation, making it highly portable for inland waters or conditions with reduced visibility.
Key Features
- Stable artificial horizon for accurate sextant readings
- Ideal for practice, inland navigation, and foggy conditions
- Windproof construction prevents air disturbance to the reflecting surface
- Corrosion-resistant materials ensure longevity in marine environments
- Enclosed reflecting surface protects against contamination
- Includes two sun shades for varied lighting conditions
- Compact size of 6" x 4" x 1-1/2" for easy storage
- Portable solution requiring only water for operation
Specifications
| Product Specifications | |
|---|---|
| Brand | Davis Instruments |
| SKU | CWR58140 |
| Dimensions | 6" x 4" x 1-1/2" (15 x 10 x 4 cm) |
| Weight | N/A |
| Material | Corrosion-resistant |
| Included Items | Artificial Horizon, 2 Sun Shades, Lid |
| Power Source | Water (filled) |
Who This Is For
This unit is designed for dedicated sextant users who require a dependable artificial horizon for celestial navigation practice or execution. It is particularly beneficial for those navigating inland waterways or in environments where a clear natural horizon is consistently unavailable.
How It Compares
| Feature | Davis Artificial Horizon for Sextant Navigation | Competitor |
|---|---|---|
| Artificial Horizon Functionality | Provides a stable, water-filled reflecting surface | Provides a stable, water-filled reflecting surface, Provides a stable, water-filled reflecting surface |
| Windproof | Yes | Not explicitly stated, Likely, due to robust construction |
| Corrosion Resistant | Yes | Not explicitly stated, Likely, depending on materials |
| Included Sun Shades | 2 | Not specified, Varies by model |
| Compact Dimensions | 6" x 4" x 1-1/2" (15 x 10 x 4 cm) | Approx. 6" x 4" x 1.5", Varies by model |
Common Concerns Answered
I have a GPS, why would I need a physical artificial horizon?
While GPS provides position, a physical artificial horizon is indispensable for practicing and executing traditional celestial navigation, serving as a critical backup system and enhancing navigational proficiency.
Is it difficult to set up and use?
Setup is minimal; the device requires filling with water and no complex installation. Handling requires care to prevent spills, but its operation is straightforward for sextant users.
What if the water spills during use?
Careful handling and filling are recommended to prevent spills. The enclosed reflecting surface minimizes impact if minor spillage occurs, but it's best to operate on a stable surface.
Frequently Asked Questions
How does the Davis Artificial Horizon work?
It functions by providing a perfectly flat, level reflecting surface of water. When used with a sextant, you measure the angle between a celestial body and its reflection in the water, effectively creating a stable horizon line.
What is the purpose of an artificial horizon for sextant users?
An artificial horizon provides a reliable, consistent horizontal plane for taking sextant sights when a natural sea horizon is obscured by fog, land, or rough seas, enabling accurate celestial navigation.
Can I use the Davis Artificial Horizon inland?
Yes, this artificial horizon is ideal for inland navigation where a natural sea horizon is often unavailable, allowing for celestial navigation practice and execution on lakes, rivers, or other bodies of water.
Is the Davis Artificial Horizon suitable for use in foggy conditions?
Absolutely. Its primary utility is in conditions where a natural horizon is obscured, such as fog, making it a vital tool for maintaining navigational capability when visibility is limited.
What are the dimensions of the Davis Artificial Horizon?
The unit measures 6 inches long by 4 inches wide by 1-1/2 inches high (15 x 10 x 4 cm).
