Rolf Bakke, designer of the widely used KK multi copter boards, has done it again. An improvement in many ways to the original KK board is the V2 version that is available now from Hobbyking. The original KK gyro system has had had an update to an incredibly sensitive dual chip 3-axis gyro and an additional 3 axis accelerometer system. These two items must make your quad more stable than ever. O…