Joshdashef Posted May 22, 2020 Report Posted May 22, 2020 Wanting to change up from basic slot port and improve some efficiency by using a kerf with some other 45s etc. Question is, how do I know what part of my kerf is still acting as a port and extending length ( lowering tuning ). Read a post that mentioned a 1/2 rule? Anyone who’s built kerfs know ? SMD Tool Map (2024): https://www.stevemeadedesigns.com/board/topic/226545-smd-tool-map-2024/ Great Box Bracing Examples: https://www.stevemeadedesigns.com/board/topic/202148-best-way-to-brace-a-box/?do=findComment&comment=3055002
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