Temperature Measurement and Warning Systems.
WATERVLIET ARSENAL N Y
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A thermistor varies the frequency of a tiny oscillator mounted on a gun tube. The temperature signal is received 6 inches away. This avoids the breakage of thermocouple wires because of recoil. A thermistor causes a circuit to oscillate when a gun tube reaches 350F. One wire, fastened to the gun mount instead of the tube, allows a small receiver to warn personnel when the critical temperature is reached. Author
- Test Facilities, Equipment and Methods