I was excited to receive my frame as I had seen some others videos flying with it. I was pleased to see that it came with a couple extra screws. I swapped the guts over from the Beebrain Brushless V1, put some 40mm AZI props on, and flashed the tune. I was blown away with how quiet it was and the performance of it. I get around 2-3 minutes of flight time with the NBD Gold 300mah batteries. This is my new favorite quad to fly. Since building it I have probably put about 15-20 packs through it and have not had a single problem. I can fly it very aggressively and it has the feel of a 5inch drone. I would highly recommend it!