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Content tagged 'muffler'

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  1. Reducing noise from Kitfox operations in-general. The three main sources seem to be (in order of significance) exhaust thermal expansion, propeller wash around the slipstream of the cowling, and intake air. Taming Noise is a concern to prevent ordinances from being created to prevent flight operations. While flight with reduced cabin noise contributes to hearing protection and creature comfort.  60dB disturbs sleep.
    What are pilot & A&P experiences, and what ideas/suggestions can be provided?