Vacuum Directional Gyro RCA 11A-8

R.C ALLEN RCA 11A-8 The RCA-11A series of vacuum uses air driven precision gyro that controls a vertical rotating azimuth gimbal. The R.C. Allen Model RCA11A promises a long life of accurate operation even after enduring severe operating requirements because of its stainless steel wear points and aluminum die casting. RCA11A is engineered with a minimum of machined part and its full freedom design allows accurate indication. Meets, or exceeds all requirements of FAA TSO C5c and Aeronautical Standard AS397.  This instrument is engineered with a minimum of machined parts, providing lower initial cost and lower maintenance cost through its lifetime.The RCA11A is non-tumbling within ±85° limits in pitch and roll and can be easily installed in any 3 1/8" panel cut out. Full freedom design allows accurate indication, even after extreme maneuvers. Stainless steel is used at wear points, with aluminum investment and die casting.A knob is provided to reset the gyro, when compared to the ma