Published by at 25 de julho de 2026 This is a custom drone frame which is designed for heavy payload cargo use. The sheet metal frame makes it easy to repair and allows it to be used outdoors for extended periods without fear UV damage.  A full design specification can be provided. This system was designed for Hobbywing H11M coaxial propellers, 14S batteries. I can provide links and build details if you are interested. It also would be a great blank slate for alternative design choices. The aluminum tubes on the frame allow for mounting of most motor systems. It’s a 50 mm tube OD. The frame was designed to carry 70 pounds of cargo under underneath, using a hybrid power train, which allowed it to fly for 50 miles.