{"product_id":"raymarine-tete-de-mat-longue-capteur-vent-r28171","title":"Long masthead alone","description":"\u003cp\u003e\n    The \u003cstrong\u003eRaymarine R28171 long masthead\u003c\/strong\u003e is a mechanical replacement component designed for wind measurement systems. It provides the functions of a vane anemometer, capturing apparent wind direction and speed. Its \"long\" design is specifically adapted to optimize measurement at height, reducing potential interference from mast-mounted equipment or structures.\n\u003c\/p\u003e\n\n\u003ch3\u003eEssential Component for Wind Measurement\u003c\/h3\u003e\n\u003cp\u003e\n    This masthead is a critical spare part for maintaining Raymarine wind sensors, particularly those associated with older systems such as the ST290, which require modular components. Unlike newer integrated units (e.g., Raymarine i60 or i70s wind sensors, which are complete assemblies), the R28171 is intended for users wishing to replace only the upper mechanical section of their wind sensor without replacing the entire electronic transducer. It restores system functionality without the cost of a full replacement.\n\u003c\/p\u003e\n\n\u003ch3\u003eOptimizing Apparent Wind Accuracy\u003c\/h3\u003e\n\u003cp\u003e\n    The advantage of a \u003cstrong\u003elong masthead\u003c\/strong\u003e lies in its ability to position sensors (vane and anemometer cups) further from turbulence generated by the mast itself or other equipment installed at the masthead (VHF antennas, navigation lights). This elevation contributes to more accurate and stable apparent wind readings, essential for sailboat navigation and performance optimization. The R28171 is therefore a technical choice for sailors seeking to maintain or improve the fidelity of wind data in their Raymarine installation.\n\u003c\/p\u003e","brand":"Raymarine","offers":[{"title":"Default Title","offer_id":55901676077396,"sku":"R28171","price":441.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main-square_50032b6d-a59d-41a1-8237-7352925891b7.jpg?v=1779382145","url":"https:\/\/skysat.fr\/en-gb\/products\/raymarine-long-masthead-wind-sensor-r28171","provider":"Skysat","version":"1.0","type":"link"}