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Feature Article: Trim Tab Inventor

Also known at the servo trim was invented by Anton Flettner, a German aeronautical engineer. He worked for the Zeppelin Company in Germany. (Will try to find out if his invention installed on Zeppelin before airplanes.) Came to U. S after WWII and worked for Navy. Died 1962.
First gyroscopic instruments were test flown on blimps.
First reversible propellers were installed on airships.

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