vertical lift

DARPA Lift Challenge winner achieves a 3.84:1 payload-to-weight ratio with a purpose-built 29-pound aircraft By DRONELIFE Features Editor Jim Magill A Canadian drone company has won a contest sponsored by a U.S. Department of Defense agency, by almost reaching a milestone that’s been compared to the first human breaking a supposed physical barrier by running a four-minute … [Read more...] about Avidrone Pushes Heavy-Lift Drone Performance Toward the 4:1 Barrier