flying taxi

Joby S4 is a five-seat eVTOL with a fixed wing and six tilting propellers (four on the wing and two on a V-shaped tail), about 21 ft long with a 39 ft wingspan, capable of cruising up to 200 mph and achieving a usable range of roughly 100 miles. The S4 uses six independent motors fed by lithium-ion packs totaling over 200 kWh usable energy (cell energy density around 288 Wh/kg) and can deliver about 236 kW peak power. The S4 is designed for low noise, measured at about 45 dBA during cruise at 500 meters, and its battery is