lol. Everyone hatin' on the flippers. Although if I had the flippers on with the issues I just had with the 420, it would have tipped over. Thanks to the Lynx skids, it just had a horrible vibration due to blades that were two completely different weights. Moral of this story, ALWAYS replace your blades as a pair! These two are so far out that I would have to put way too much tape on them to balance them. But yet, the C0G is in the exact same spot on the two blades lol. I'm working on this helicopter for a new guy to the hobby, so he is still learning. Just wish I didn't waste about an hour looking at everything BUT the blade weight lmao. I even checked the C0G BEFORE I put them on the balancer lmao. It checked out so I put them back on. Checked the feathering shaft, main shaft, blade tightness, both front and rear, and it was the weight.... Lesson learned.