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ft. delta

  1. S

    Angle of fins on a FT Delta?

    Hello, I'm scratch building a FT Delta and I am trying to determine what the angle of the vertical fins should be. I'm thinking 12 or 19 degrees. I seem to remember having a couple of angle gauges I got with the original kit, but can remember if it was 12, 19 or ?? degrees. Thanks for any...