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  1. normB

    Pitts s1 header tank vent line size

    Hi all, I'm building a Pitts S1ss and would love to get your comments on what size vent line is appropriate for the header tank - main tank interconnect. I did some tests to give an idea of relative performances between two tube sizes, 1/4" or 3/8". I assume that the aim is to support a good...
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