VoltAero Flight Tests Hybrid-Electric Cassio
French airplane maker VoltAero has begun flight testing on a hybrid-electric-powered airplane series called Cassio. The Cassio 1 testbed is powered by two electric motors, mounted on the wings, and two piston engines—a pusher and a puller—on the fuselage. The testbed looks like a Cessna 337 Skymaster and has a seating configuration for six people. […]