Strength of Single-spar WingMooney MSE (J model) with 30 of the factory employees on it. Though single-spar construction is normally used for jet aircraft and not light planes, Mooney engineers adopted the design in the early 1960's, when construction moved away from wood wings. Later the factory engineers broke a static-test fixture at 9.3 Gs while trying a destructive test.
Click on image above for a very detailed view that even shows which Mooney models are on the tee shirts -- but beware that the file is 400K bytes.
From December, 1991 Flying Magazine.
Mooney Events page home.
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