The 2 inch compass is often the first navigation instrument on small vessels. If you sail a dinghy or a small cabin boat, you don't need excessive bulk, but an instrument that delivers a stable heading reading even with the boat heeled or in rough sea conditions. The 2 inch size is designed precisely for these applications, ensuring that the card is not overly affected by vibrations or minor impacts that can occur on board.
When choosing a compass of this size, the housing material and the integrity of the damping fluid define the instrument's durability over time. At Nautiba, we verify that the models we offer have a clear mounting indication, whether bracket or flush-mount, because an incorrect fitting causes reading errors due to magnetic interference from the hull or on-board equipment. Our pre-sales advice is there for exactly this: saving you from installation errors that would make the product useless.
Our working method is based on transparent lead times and reliable components. We don't just manage orders; we make sure that the technical characteristics of the compass you're considering are compatible with your deck layout. If you have doubts about the installation position to avoid magnetic deviations, ask us before purchasing: reviewing your vessel's layout together is our standard procedure to ensure maximum effectiveness on the water.
To keep a compass performing well, remember that sun and salt are the primary enemies of the transparent plastic and seals. Once installed, always cover it with its protective cap when you're not sailing. If you notice an air bubble forming inside the dome, check whether it is normal or indicates a loss of damping fluid, which could compromise card stability.
How to choose and install the 2 inch compass
- Always verify that the mounting surface is flat and not subject to strong vibrations that could damage the card's pivot bearing.
- Make sure the compass is mounted away from sources of magnetic interference, such as electric motors, speakers, or power cables, to avoid course errors.
- If you install the compass flush-mount, check the thickness of the bulkhead or dashboard to ensure the fixing system grips correctly without play.
- During installation, use only non-magnetic stainless steel tools to avoid altering the calibration of the internal magnet.
What does a 2 inch diameter indicate?
It refers approximately to the diameter of the internal compass card, which in this format measures around 50-55 mm. It is a standard size for compact compasses used on small vessels where space is limited.
Is compensation necessary for such a small compass?
Compensation is required for every magnetic compass, regardless of size. If you notice significant deviations from your GPS course, proceed with compensation using the built-in adjusters, or move the metallic masses that are generating interference.
How do I clean the compass dome?
Use only fresh water and a soft microfiber cloth. Avoid solvents or alcohol, which can cloud transparent plastics or damage seals, compromising the liquid-tight integrity.
Can the compass be installed on steel boats?
On metal boats, the hull's magnetic field drastically alters the reading. It is essential to install the compass on a non-magnetic support and carry out careful compensation, sometimes aided by external compensating balls.
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