Davis artificial horizon
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Artificial Davis Horizon

€53.29
Davis
Made in the USA
Estimated preparation time: 3 to 5 days

Master celestial navigation on land with this windproof, water-filled artificial horizon. Compact, corrosion-resistant, and foldable—ideal for precise sextant readings anytime, anywhere.

1311801

Data sheet

Picto
Made in the USA

Specific References

UPC
400000130569
EAN13
4000000130659
New
Description détaillée

Artificial Horizon

Precision Navigation Made Accessible

Unlock the full potential of celestial navigation with this advanced artificial horizon, designed for mariners and astronomy enthusiasts who demand accuracy even when natural horizons are obscured. Whether you're practicing in your backyard, navigating inland, or facing foggy conditions at sea, this tool ensures reliable measurements by providing a stable, reflective surface for sextant readings. No more relying on unpredictable natural horizons—this device delivers consistent results, making it an indispensable companion for both seasoned navigators and beginners exploring the art of astronomical navigation.

Engineered for Reliability and Ease of Use

  • Crafted from durable plastic and glass, this artificial horizon is built to withstand the rigors of outdoor use while maintaining precision.
  • Its windproof and corrosion-resistant design ensures accurate readings, even in challenging conditions, by protecting the reflective water surface from disturbances.
  • Compact and foldable, it fits effortlessly into your navigation kit, ready to deploy whenever and wherever you need it.
  • Included accessories—two sun shades, a protective cover, and comprehensive instructions—simplify setup and ensure optimal performance right out of the box.

How It Works: Simplifying Celestial Navigation

Using this artificial horizon is straightforward. Fill the device with water to create a perfectly level reflective surface. Align your sextant to capture both the direct image of the sun (or another celestial body) and its reflection. By superimposing these images, you can measure the angle with precision. Divide this measurement by two to obtain the true altitude, then apply corrections using standard navigation tables (0m column). This method eliminates the guesswork, providing accurate data for plotting your position—whether you're on land or preparing for your next voyage.

Ideal for Land-Based Practice and Beyond

  • Perfect for navigators honing their skills in non-marine environments, such as backyards or training facilities, where natural horizons are unavailable.
  • Enables beginners to practice celestial navigation techniques with confidence, building a solid foundation for future voyages.
  • Not suitable for use on moving vessels, as stability is required for accurate readings—this tool is designed for stationary, land-based applications.
  • An upgrade from basic liquid-filled containers, this device incorporates filters and wind protection to enhance accuracy and usability.

Compact, Portable, and Ready for Adventure

When not in use, this artificial horizon folds down to a compact size—just 6″ × 4″ × 1½″ (15 × 10 × 4 cm)—making it easy to store in your navigation bag or toolkit. Weighing just 0.7 kg, it’s lightweight enough to carry anywhere, yet robust enough to deliver reliable performance when it matters most. Whether you're preparing for a long voyage or simply refining your navigation skills, this tool is designed to be your trusted ally in mastering the art of celestial navigation.

Master the Art of Celestial Navigation with Unmatched Precision
Say goodbye to the limitations of natural horizons with this cutting-edge artificial horizon, a game-changer for navigators and astronomy enthusiasts alike. Designed to deliver pinpoint accuracy in any environment, this tool is your key to unlocking reliable sextant readings—whether you're practicing in your backyard, navigating inland, or facing the challenges of foggy conditions at sea. No more second-guessing your measurements; this device provides a stable, reflective surface that ensures consistent and dependable results every time. Built for durability and ease of use, it’s the perfect companion for both seasoned mariners and those just beginning their journey into astronomical navigation.

Built to Perform in Any Condition
Engineered with precision in mind, this artificial horizon features a robust construction of high-quality plastic and glass, ensuring it stands up to the demands of outdoor use while maintaining its accuracy. The windproof and corrosion-resistant design protects the reflective water surface from disturbances, guaranteeing reliable readings even in less-than-ideal conditions. Its compact, foldable form factor makes it incredibly portable, fitting seamlessly into your navigation kit so you’re always prepared, no matter where your adventures take you.

Everything You Need for Effortless Setup
This artificial horizon comes complete with all the accessories you need to get started right away. Two sun shades help reduce glare, while a protective cover keeps the reflective surface clean and ready for use. Detailed instructions guide you through the setup process, ensuring you can achieve optimal performance from the moment you unpack it. Simply fill the device with water, align your sextant, and you’re ready to take precise measurements—no complicated adjustments or additional tools required.

Simplify Your Navigation Process
Using this artificial horizon is as straightforward as it is effective. Fill the device with water to create a perfectly level reflective surface, then use your sextant to capture both the direct image of the sun (or another celestial body) and its reflection. By superimposing these images, you can measure the angle with confidence. Divide this measurement by two to obtain the true altitude, and apply the necessary corrections using standard navigation tables (0m column). This method eliminates the guesswork, providing you with accurate data for plotting your position—whether you're on land or preparing for your next voyage.

Perfect for Land-Based Practice and Skill Building
Ideal for navigators looking to refine their skills in non-marine environments, this artificial horizon is a must-have for backyard practice or training sessions. It’s also an excellent tool for beginners eager to learn the fundamentals of celestial navigation, offering a hands-on way to build confidence before setting sail. Keep in mind that this device is designed for stationary, land-based use—stability is key for accurate readings, so it’s not suitable for use on moving vessels. By upgrading from basic liquid-filled containers, this tool incorporates filters and wind protection to enhance both accuracy and usability, making it a superior choice for serious navigators.

This artificial horizon is designed to deliver precision and durability in a compact, user-friendly package. Measuring just 6″ × 4″ × 1½″ (15 × 10 × 4 cm) when folded, it’s small enough to fit in the palm of your hand, yet robust enough to withstand the rigors of outdoor use. The reflective surface is completely enclosed, offering protection from wind and corrosion to ensure accurate readings every time. Weighing only 0.7 kg, it’s lightweight and easy to carry, making it an ideal addition to any navigation kit. Made from high-quality plastic and glass, this device is built to last, providing reliable performance whether you're practicing on land or preparing for your next voyage.

  • Experience unparalleled accuracy in celestial navigation with a tool designed for both beginners and seasoned mariners.
  • This artificial horizon eliminates the need for a natural horizon, allowing you to take precise sextant readings in any environment—whether you're practicing in your backyard or navigating inland.
  • Its windproof and corrosion-resistant design ensures reliable performance, even in challenging conditions, while the compact, foldable form factor makes it incredibly portable.
  • With included accessories like sun shades and a protective cover, setup is quick and effortless, so you can focus on mastering your navigation skills.
  • Upgraded from basic liquid-filled containers, this device incorporates advanced features like filters and wind protection to enhance usability and precision, making it an indispensable tool for anyone serious about astronomical navigation.
What type of liquid should be used to fill the reflective surface?

The reflective surface should be filled with water to create a stable and accurate horizon for sextant readings.

Is this suitable for use on a moving boat?

No, it requires complete immobility and is designed for use on land only, not on moving vessels.

How do I calculate the actual height of the sun or star after taking a reading?

Divide the measured angle by 2 to obtain the actual height, then apply corrections using the provided tables (0m column).

What are the dimensions when folded for storage?

When folded, it measures 6″ × 4″ × 1½″ (15 × 10 × 4 cm), making it compact and easy to store.

Are the included sun shades necessary for accurate readings?

Yes, the two sun shades help reduce glare and improve visibility of the reflected image for precise measurements.

How does it protect the water surface from wind interference?

The reflective surface is enclosed with transparent covers, shielding the water from wind while maintaining visibility for readings.

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