Looking for feedback on the Autonomous Avionics SkyTractor Heavy Lift Octocopter. Any input is appreciated. Practical payload is 20 pounds, but we tested it with 30 pounds. Flight time is right around 12 minutes with the full payload, but the RED and Movi only weigh in around 12.5 pounds, so flight time should be around 15 minutes. We have built one with a DJI A2 flight controller and with a Pixhawk with good success.