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  1. koch

    Sperry MK 37 Gyro

    Hi Brain, Sorry for the delay. I have measured these signals lines (S1,S2 & S3) with respect to S5 using the scope .It is DC pulses.It vary between 0volt and 35volts at any one time when the gyro changes course.At no given time does all these signals shows the same voltages. Regards,Koch
  2. koch

    Sperry MK 37 Gyro

    Hi Brain, Thks for responding. This system HAD been working some time ago according to the user(approx about 4 years ago).Ever since then this system has been idle till now. So some ALEX decided to activate this system. The MK37 gyro is a minus 35volts dc stepper gyro.That's why they...
  3. koch

    Sperry MK 37 Gyro

    Hi, I am encountering a problem in interfacing a Sperry MK37 gyro to a Magnavox MX 2400 satellite communication.It seems that the satcom does not follow the gyro heading reading.I found out that there is a interface junction box in between them.Inside the box were three zener diodes in series...
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