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+--- Thread: [CA] [CA11] I40 wind unit on a sailboat (/showthread.php?tid=7234)
[CA11] I40 wind unit on a sailboat - iloveboats - 01-16-19 08:41 PM
Hello,
I have a sailboat on which we have installed a Raymarine system that includes:
I40 Wind
Evolution Auto Pilot
Axiom MFD
My question is in regards to the I40 wind. I purchased this unit after reading the Raymarine website that says:
"Apparent wind speed and direction and true wind speed and direction.
Talks to your autopilot to steer your boat to a selected apparent wind angle."
and
"Big displays for smaller powerboats, yachts and RIBs, these compact yet powerful SeaTalk instrument displays offer full integration with Raymarine autopilots and navigation equipment and can be surface or trunnion mounted."
Based on this I thought it would be perfect for us. Since installing the unit and being on this form I have seen mention that the "I40 wind unit is not meant for sailboats". I am hoping you can clarify this? If the unit is capable of both true and apparent wind speed and direction and also capable of integrating with our autopilot, why is it not ideal for a sailboat?
Thank you!
RE: [CA11] I40 wind unit on a sailboat - Chuck - Raymarine - Moderator - 01-17-19 04:02 PM
Welcome to the Raymarine Forum iloveboats,
The i40 Wind instrument is exclusively designed for use with the Rotavecta wind transducer. We generally do not advise that the Rotavecta wind transducer be used in sailing applications. While the Rotavecta wind transducer will provide adequate performance for powerboat applications, it lacks the performance which is generally demanded for sailing applications. Additionally, it is not recommended that the 45' cable of a Rotavecta cable be extended, making it unsuitable for installation atop most sailboat masts. Those seeking a wind instrumentation for a sailing vessel are generally recommended to purchase a wind vane transducer and one of the following:
- i60 Wind instrument
- i70 MultiFunction Instrument Display and iTC-5 Analog Instrument Converter (these must be interfaced to one another via a powered and properly terminated SeaTalkng / NMEA 2000 backbone.