Marine Glossary
Knotmeter
An instrument that measures the boat's speed through the water using a paddlewheel or ultrasonic sensor. Differs from GPS speed (which measures speed over ground).
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Articles mentioning “Knotmeter”
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A properly installed transducer is the difference between clear sonar and noise. Learn the 8 steps to a professional through-hull installation.
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A practical comparison of flooded lead-acid, AGM, and LiFePO4 marine batteries with real-world cycle life, charge profiles, and 5-year cost analysis.
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