kklinejr Posted November 28, 2016 Share #1 Posted November 28, 2016 This is my first instrumentation purchase and it looks like a large airframe piece. Dated May 28, 1943 is there any way to distinguish for certain the type of plane it was used on? It ssems to match Fortress panel photos, but I am unsure. Thank you in advance for any help. I am actively seeking USMC Named Good Conduct Medals and items pertaining to the USS Indianapolis CA35. Link to post Share on other sites
Garandomatic Posted November 28, 2016 Share #2 Posted November 28, 2016 Look at the data panel on it and Google the model number of the gauge. I was able to figure out that one of my gauges belonged to a P51 that way. There's some seriously organized information out there for aviation gauges. Looking for the following: 452nd and 447th Bomb Group items Anything 12th Armored- especially uniforms 155th Assault Helicopter Company, Camp Coryell, or Ban Me Thuot Vietnam items[/center]WWII US Navy Uniforms from the Battle Off Samar: USS Johnston DD-557, USS Hoel DD-553, USS Samuel B. Roberts DE-413, USS Heermann DD-532, USS Dennis DE-405, USS John C. Butler DE-339, USS Raymond DE-341, USS Fanshaw Bay St. Lo, White Plains, Kalinin Bay, Kitkun Bay and Gambier Bay... Link to post Share on other sites
kklinejr Posted November 28, 2016 Author Share #3 Posted November 28, 2016 Talk about a "duh" moment- I didn't even bother running the data plate numbers. Thank you for the suggestion. Contract no. w535AC-22713 serial number 79857. It seems this Sperry built Gyro Horizon Indicator was quite ubiquitous on the large frame bombers of the era. I'm still trying to narrow it down, but may not be able to...we'll see. Glad to have it though. Thanks again, Ken I am actively seeking USMC Named Good Conduct Medals and items pertaining to the USS Indianapolis CA35. Link to post Share on other sites
bobatl Posted November 29, 2016 Share #4 Posted November 29, 2016 If it still has a data plate, it should be marked AN5736. All military aircraft with gyro instruments in that era used AN5735 Directional Gyro and AN5736 Artificial Horizon. They were manufactured by Sperry, Jack & Heintz, and General Motors. Jack & Heintz gyros were noticeably lighter. Link to post Share on other sites
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