Furuno FI5001L Long Arm Masthe Masthead Requires Cable
Furuno FI5001L Long Arm Masthe Masthead Requires Cable — Product description
Upgrade your boat's wind data with the Furuno FI5001L long-arm masthead wind transducer—a reliable choice for sailors and powerboaters chasing precision on the water. Designed for those demanding setups where standard sensors fall short, its extended arm pushes the sensing elements farther from the mast, minimizing turbulence and delivering cleaner readings. Whether you're racing competitively or cruising long distances, this transducer turns erratic gusts into actionable insights, helping you trim sails perfectly or navigate safely in tricky conditions.
Standout Features for Real-World Sailing
- Extended Reach Design: The long stem provides superior standoff from the mast, ideal for high-performance sailboats where every degree of wind angle matters.
- Analog Output Simplicity: Seamlessly integrates with Furuno NavNet 3D systems and FI50 series displays, feeding raw data without digital fuss.
- Low Power Draw: Sips less than 40 mA at 12 VDC, perfect for battery-conscious setups on extended voyages.
- Rugged Marine Build: Built to withstand harsh saltwater environments, UV exposure, and constant vibration for years of dependable service.
Accuracy That Counts in Competitive Conditions
Wind angle precision better than 10 degrees ensures you catch subtle shifts during tacks or jibes. For speed, expect accuracy within 5% at 20 knots—crucial for optimizing boat speed without guesswork. Boaters report it excels in 5-30 knot winds, where short-arm sensors often struggle with mast shadow effects. Pair it with your instruments, and you'll see smoother data traces, reducing false alarms from boat heel or heel-induced errors.
Smart Installation for Peak Performance
Mounting the FI5001L is straightforward for anyone familiar with masthead work: secure it atop the mast using the included hardware, ensuring the vane rotates freely. Note that it ships without cable—opt for the matching 30m or 50m kit to reach your display without splices. Route the cable down the mast conduit, avoiding sharp bends, and connect to your Furuno hub. Pro tip: Calibrate on a calm day with known wind from shore stations to dial in zero-point accuracy. This setup shines on monohulls and multihulls alike, giving powerboats an edge in wind-aware autopilot tweaks.
Why the Long Arm Beats Standard Sensors
In crowded regattas or when heeling hard, the FI5001L's extra length keeps cups and vane clear of disturbed air, unlike compact models that read 5-10 degrees off in puffs. Sailors switching from older units rave about the consistent apparent wind data, which translates to faster VMG upwind. For power vessels, it means reliable true wind for fuel-efficient routing around weather cells. It's not just gear—it's the edge that separates good runs from podium finishes.
Keep It Spinning Smoothly Season After Season
Rinse with fresh water after every sail to fend off salt buildup. Lubricate bearings annually with marine grease, and inspect the arm for fatigue cracks during winter layup. Avoid over-torquing mounts to prevent misalignment. With basic care, expect a decade of service, outlasting cheaper imports that bind in the first gale.
Frequently Asked Questions
What accuracy does the Furuno FI5001L wind transducer offer?
It provides wind angle accuracy better than 10 degrees and wind speed accuracy better than 5% at 20 knots, delivering reliable data even in dynamic sailing conditions.
Does the FI5001L include a cable?
No, the sensor does not come with a cable. Select a compatible 30-meter or 50-meter cable kit separately to connect it to your displays.
What systems is the FI5001L compatible with?
It's designed for Furuno NavNet 3D and FI50 series instrument displays, offering plug-and-play analog integration.
What are the power requirements for this wind sensor?
It draws less than 40 mA on a 12 VDC system, making it efficient for boats with limited power budgets.
Is the FI5001L suitable for both sailboats and powerboats?
Yes, its long-arm design benefits performance sailboats for clear wind readings and powerboats for precise navigation data.
How does the long arm improve performance over standard transducers?
The extended standoff reduces mast-induced turbulence, providing more accurate angle and speed data during heeling or gusts.
What maintenance does the FI5001L need?
Rinse with fresh water after use, lubricate bearings yearly, and check mounts during off-season storage for longevity.
The FI5001L is a long-stemmed analog Wind Transducer for use with NavNet 3D and the FI50 series of intrument displays. It is capable of detecting wind angle accuracy of better than 10 and wind speed accuracy of better than 5% (20 kt). The FI5001L gives extra visibility for performance sailboats or power boats who want greater standoff from the mast, and has a power requirements of less than 40 mA on a 12VDC system.
Important Note: The FI5001L Sensor does not come with a cable as standard. Please select a 30 meter or 50 meter cable kit when ordering the FI5001 Wind Sensor.
SKU: NVN-1002550
MPN: FI5001L
UPC: 611679325822
Technical specifications
| Brand | Furuno |
| Model | Furuno FI5001L Long Arm Masthe Masthead Requires Cable |
| SKU / MFR# | 1002550 |
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