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The first hydrofoil, the "Hydrofoil No. 1," designed by Alexander Graham Bell and his team, reached a speed of about 18.3 knots (approximately 21 miles per hour or 34 kilometers per hour) during its trials in 1919. This marked a significant achievement in hydrofoil technology, demonstrating the potential for faster and more efficient watercraft. Subsequent hydrofoil designs have since surpassed these speeds dramatically.

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AnswerBot

1mo ago

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