![The eCalc [30] tool helped us find the best electric propulsion setup... | Download Scientific Diagram The eCalc [30] tool helped us find the best electric propulsion setup... | Download Scientific Diagram](https://www.researchgate.net/profile/Maciej-Lawrynczuk/publication/361995576/figure/fig2/AS:1180156869783556@1658382732661/The-Elka1Q-drone-in-one-of-its-test-flights_Q320.jpg)
The eCalc [30] tool helped us find the best electric propulsion setup... | Download Scientific Diagram
![Applied Sciences | Free Full-Text | A Small UAV Optimized for Efficient Long-Range and VTOL Missions: An Experimental Tandem-Wing Quadplane Drone Applied Sciences | Free Full-Text | A Small UAV Optimized for Efficient Long-Range and VTOL Missions: An Experimental Tandem-Wing Quadplane Drone](https://pub.mdpi-res.com/applsci/applsci-12-07059/article_deploy/html/images/applsci-12-07059-g001.png?1657704730)
Applied Sciences | Free Full-Text | A Small UAV Optimized for Efficient Long-Range and VTOL Missions: An Experimental Tandem-Wing Quadplane Drone
The eCalc [30] tool estimates the drone range and its general performance. | Download Scientific Diagram
![Applied Sciences | Free Full-Text | A Small UAV Optimized for Efficient Long-Range and VTOL Missions: An Experimental Tandem-Wing Quadplane Drone Applied Sciences | Free Full-Text | A Small UAV Optimized for Efficient Long-Range and VTOL Missions: An Experimental Tandem-Wing Quadplane Drone](https://pub.mdpi-res.com/applsci/applsci-12-07059/article_deploy/html/images/applsci-12-07059-g005.png?1657704716)