I thought counter-rotating rotors were exclusive to the Kamov Russian designs, a la Mischa…
This little guy sports 2 counter-rotating rotors, and can be deployed in 2 minutes or less. It comes with a choice of powerplants either an electric brushless motor, with a runtime of 35 minutes, or a two-stroke engine, albeit less quiet, with a runtime of 90 minutes. Infotron’s IT180 vtol UAV can handle a payload of up to 5 kg (11 lbs).
Infotron is a privately held French company specializing in vertical lift drones.
FOG HORN 