"The greatest dare-devil aviator in the world in a Universal thrill picture, wherein the hero fights to save a secret formula for engine fuel from the hands of a villain who also tries to steal his girl."
Inventor Al Simpkins develops a new airplane fuel, "Economo," which he claims gets a thousand miles to the pint.
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Inventor Al Simpkins develops a new airplane fuel, "Economo," which he claims gets a thousand miles to the pint.
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