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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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