04606 Gyroscope VBarDescription Premium 3 Axis Gyro with Silicon Sensing Ring Sensor Technology The new VBar gyro sensor is downward compatible with all existing main units (except for VBar with aluminium case sensor). The New VBar Silverline uses a new sensor technology, which uses three sensor elements that are the only ones on the market specially designed and adapted for the use in real model helicopters. The Sensors are manufactured by the Company Silicon Sensings