At 5,070 pounds, the plane weighs about as much as an SUV. Its wingspan is 236 feet, more than that of a Boeing 747. © Solar Impulse / Rezo.ch The lightweight Solar ...

We’ve previously covered solar plane entered into the Hackaday prize as well as an actual seafaring solar powered unmanned sail boat that crossed the North Atlantic.

The autonomous solar power Skydweller aircraft is capable of nearly perpetual, safe flights in all conditions.

The Korea Aerospace Research Institute has conducted a high-altitude test flight of solar-powered unmanned aerial vehicle EAV-3, which features a lithium-sulfur battery from Korean manufacturer LG ...

Thomas said Radical’s mission is to develop autonomous, solar-powered, propeller-driven aircraft that can fly continuously in the stratosphere without landing. The lightweight aircraft could ...

For [Daniel Riley] AKA [rctestflight] that project is a solar powered RC plane which to date spans 4 years, 4 versions and 13 videos. It is a treasure trove of information collected through hard ...

Starting in 2015, the solar-powered aircraft spent 16 months flying around the world, except it flew at an average speed of 28 to 34 mph. Solar Impulse 2 is part of a movement in recent years to ...

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing ...

Solar Impulse is a Swiss aircraft designed for long-range flights, traveling under the power of nothing more than sunlight, and it's gearing up to complete a flight around the world in 2015.

The modules provide solar power to a specially adapted Zenith 750 aircraft – the “electric Sky Jeep.” This prototype has a 30kWh battery, which is enough for a 30-minute flight. According to ...