If Seacharger accomplishes what McMillan designed it to do, it will become the first unmanned boat to cross an ocean using only solar power.
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On the website, McMillan says that the boat "is not a commercial project, but simply a couple of hobbyists assembling a few pieces of ordinary technology to accomplish an extraordinary feat."
The ordinary technology includes a fiberglass boat, 91 inches long and 22 inches wide as well as a brushless electric motor that will propel the boat at about 3 knots.
Two Renogy PV panels rated at 100-watts cover the entire top of the vessel and charge a lithium-iron-phosphate battery, which powers the motor. The craft could probably go three days without sun, according to the website.
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An autopilot system, GPS, and a satellite modem are housed in a watertight compartment.
How long it will take to arrive in Hawaii is anyone's guess, but you can follow its journey here, after it launches May 30.