FOV For a rough analysis, we estimated some conservative parameters: Flight Time (fully loaded) – 10 minutes Velocity (fully loaded) – 4m/s Stop/Go Time per Capture – 2s Capture Overlap – 10% The effective Field of View (FOV) for the multispectral sensor at 120m is approximately 4424 square meters per capture. At this height we expect about 6.6cm resolution. 120m FOV 66.4m 74.1m The analysis shows that we can expect to capture just under 30 images per flight, yielding about 1 tenth of a square kilometer (10 hectares) on a single flight Notes: 1) Presence of wind during capturing would affect flight time negatively. This will be accounted for in later analyses. 2) The drone will need to have some battery life remaining in order to return to the launch point.

FOV Parameters Flight Time (fully loaded) – 20 minutes Velocity (fully loaded) – 4m/s Stop/Go Time per Capture – 2s Capture Overlap – 85% The effective Field of View for the Tetracam during 3D capture is much smaller, due to the required 85% overlap for post-processing. At 120m the effective FOV is 122.5 square meters, without any loss in resolution. 120m FOV 33.2m 41.2m The UAV will still capture 30 images per flight, should yield about 2.05 hectares of 3D data on a single flight. Notes: 1) Presence of wind during capturing would affect flight time negatively. This will be accounted for in later analyses. 2) The drone will need to have some battery life remaining in order to return to the launch point.

The Stop/Go parameter is ignored in this analysis The Stop/Go parameter is ignored in this analysis. Since the thermal sensor captures video constantly, there is no need for the drone to stop for capture. Flight Time (fully loaded) – 10 minutes Velocity (fully loaded) – 4m/s Capture Overlap – 10% The analysis is altered only slightly for flight with the thermal camera. The effective Field of View for the thermal sensor at 40m is approximately 532.4 square meters per capture. At this height we expect about 7cm resolution. 40m FOV 19.3m 27.6m The thermal sensor can cover an estimated 0.046 square kilometers (4.6 hectares) on a single flight, or about half the area that the thermal sensor can capture. Additional Notes: 1) The thermal sensor is about 80% lighter than the tetra cam, and may significantly increase flight time

Flight Time Feasibility Expected Payload [kg] Gimbal and Damper 1.5 Sensors and Hardware 0.6 Battery 3 Total 5.1 *estimated flight time data courtesy of DJI

Gimbal Prototype Plastic Vs. Carbon Fiber Grouse House Technologies Offers CF 3-axis gimbal for $300-350 Short lead time DIY Gimbal In design phase 3D printed plastic will cost $20-40

Gimbal Concepts: 3D Printed Sensors held simultaneously for CoG balancing Negligible gain in flight time from modular option Ease of use for customer

Gimbal Concepts: 3D Printed Deciding between 2 or 3 axis designs 2 axis gimbal adequate for our purposes 3 axis more expensive, but may improve battery life