Pre-WWII Aircraft instruments
Posted 30 July 2016 - 06:54 PM
The same vendor I bought these from also had an unknown ADF, and a radio receiver from a BT-13.
Posted 04 August 2016 - 01:39 PM
I can't help you much with an ID, but if you contact a forum moderator/administrator, they could move this thread into a more appropriate section. We actually have an aircraft instrumentation sub-forum here at USMF, under the "Vehicles, Aircraft & Ships" section.
Posted 16 August 2016 - 12:40 PM
Posted 16 August 2016 - 03:32 PM
garciaaviation.com did sell reprint instrument cross reference manuals at one time. I have one somewhere around here. I will have to dig it out.
Posted 19 August 2016 - 09:28 AM
The year dates are not always dates. They are actually prefixes on fiscal year contract numbers. The gauge may have been manufactured later than 1938. With the screw-in instrument light, it is definitely a pre-WWII design, and is just a standard suction gauge for a vacuum system. The vacuum system was for powering the turn and bank (bank portion) and artificial horizons. The carb temp mixture was for detecting carb icing. These could have been on any of the pre-WWII designed aircraft, but you would have to look in the individual aircraft illustrated parts manuals to confirm on which airframes they were installed.
Best Regards- Fort Susquehanna, also Forgotten Field Aviation Technical Center
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