Skip Johnson's Recent Activity

  1. Skip Johnson liked CDBarry's post in the thread Is circulation real?.

    I always demonstrated circulation as part of my class on propellers. You can take an aluminum turkey pan, fill it with water, sprinkle...

    Apr 22, 2026 at 7:57 AM

  2. Skip Johnson replied to the thread Leeboard core material choice.

    @Rumars is right. I started to go down a list of the different foils I've made but that's not helpful if you're needing a leeboard for...

    Apr 20, 2026 at 9:19 AM

  3. Skip Johnson liked rxcomposite's post in the thread Creating lift in displacement hulls.

    The first one is like a highly prismatic hull like a tugboat. The harder it pulls the more water goes around it and it sinks deeper. For...

    Apr 18, 2026 at 8:06 AM

  4. Skip Johnson liked JordanMay's post in the thread Creating lift in displacement hulls.

    - Yes, Im going to find out by placing similar ribs on the stern extension of the Roughwater 41. - The oblong buoys are nearly same...

    Screenshot_20260416-083741_Chrome.jpg Apr 17, 2026 at 8:47 AM

  5. Skip Johnson replied to the thread Creating lift in displacement hulls.

    Are the oblong buoys roughly the same size and weight? It's an interesting issue.

    Apr 16, 2026

  6. Skip Johnson liked Tops's post in the thread Printing Plates - Freeship.

    Hi @Grant Stretch , is it possible to output the Freeship plates as DXF and use another software to split the plates in half,...

    Apr 16, 2026
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