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Gustave Trouvé’s “Oiseau mécanique” (via)

"The ornithopter shown here was flown in 1890. Twelve gunpowder charges were fired successively into a bourdon tube to flap the wings, an unusual type of internal combustion engine. The ornithopter flew 70 meters in a demonstration to the French Academy of Sciences.” (via)

Gustave Trouvé’s “Oiseau mécanique” (via)

"The ornithopter shown here was flown in 1890. Twelve gunpowder charges were fired successively into a bourdon tube to flap the wings, an unusual type of internal combustion engine. The ornithopter flew 70 meters in a demonstration to the French Academy of Sciences.” (via)