In reply to OT:
- their webpage (
Jetoptera | Revolutionary Propulsion System ) promises first prototype of drone J-220 for practical use in Q1/2020 (
here) since that not a postpone message, not a "due pandemic we didnt manage" note. Strange.
- here:
GlobeNewsWire they announced sort of partnership with VZLÚ, which is our aerodynamic research lab. I guess I will try to ask VZLU press office for details (nothing on their webpage)