The GPS built JUST for sailing with Bluetooth Wind Monitoring (required reading if you sail)View gallery - 10 images
One of the problems of using GPS chartplotters on a sailboat is that it is extremely difficult to calculate accurate arrival times given the amount of tacking often involved. Now there's a purpose-built Sailing GPS that not only accounts for the tacking that sailboats do, but can can tell you the optimal tacking angles and your Tacking Time to Destination (TTD).
Standard GPS chartplotters do not account for the fact that sailboats tack back and forth, so it makes sense that if they don't know your tacking distances, how can they calculate your Estimated Time of Arrival (ETA) correctly? The Sailing GPS solves this problem. It displays exactly how far each tack is, how long it will take to sail each tack, and the optimal tacks to arrive earliest. Pretty amazing.
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You can also use Google Maps to easily mark waypoints, connecting via Bluetooth with the Sailing GPS, which is much easier than manually entering long strings of numbers for the latitude/longitude of multiple waypoints.
The Sailing GPS can even learn the unique "polar plots" for your individual vessel.
This is not just a generic polar plot for all sailboats of a certain type, or estimates from a simulation - the Sailing GPS learns your unique vessel's actual performance on all different points of sail.
SailTimer Inc., the manufacturer of The Sailing GPS, received final patent approval in March of this year for its pioneering R&D.; "This technology is a big step forward for sailors" said Dr. Craig Summers, the President of SailTimer Inc.:
"People assume that since GPS satellites can pinpoint our location on the Earth, everything shown on a GPS chartplotter must be very accurate", said Dr. Craig Summers, the President of SailTimer, "but if you head upwind on a tack, standard GPS units view your tack as cross-track 'error'."
The new patent, titled 'Navigational Planning and Display Method for the Sailor's Dilemma When Heading Upwind', was granted by the US Patent and Trademark Office this year, and originally filed in 2006.
The navigation functions in The Sailing GPS include support for the new wireless, solar-powered SailTimer Wind Vane which will be available this (Northern Hemisphere) summer, offering the ability to continuously update your optimal tacks with real-time wind data via Bluetooth.
The Sailing GPS comes with a free waterproof DryPak soft bag with tie-downs.
Unlike smartphones and tablets, the Sailing GPS is just as easy to see in direct sunlight, and with polarized sunglasses on.
The screen of the Sailing GPS is protected by Lexan, which is very strong and won't break if it's dropped, and ... it floats.
The polycarbonate Sailing GPS case is scratch- and UV-resistant, small enough for a coat pocket, and durable enough to remain unharmed with a bit of rough treatment, which is much easier than trying to protect and view an iPad in the cockpit (and the ETA won't go blank every time you tack).
The Sailing GPS displays your tacking angles in a diagram and in degrees for each heading, but is not intended to replace a chartplotter. Nevertheless, even fully-equipped cruising yachts will not have the features provided by The Sailing GPS, including the quick and easy display of your optimal tacks and Tacking Time to Destination (TTD).
The Sailing GPS costs US$399 and can be purchased online.