Noise comparison, Extra 330LT (internal combustion) vs Extra 330LE (Siemens SP260D electric )

2,984 views · Published 9 May 2018 · 0:39 · Indexed 4 November 2026

Channel: MechDesignTV · 2018 · Science & Technology

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[video: Siemens USA]

Ever heard of a quiet airplane? They are coming – and they are electric. Hear the difference

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