ziper1221's Recent Activity

  1. ziper1221 liked jehardiman's post in the thread Larger lenght to beam ratio vs weight.

    Be very careful here not to confuse "large" with "heavy". A vessels motion in a seaway has three major attributes; its mass, its...

    Sep 18, 2022 at 11:14 PM
  2. ziper1221 replied to the thread Foil section? For foil board.

    @Christian Nally I suggest you read "hydrofoils: design build fly" by Ray Vellinga. He goes over pretty much all of the design process...

    Sep 18, 2022 at 11:09 PM
  3. ziper1221 liked tspeer's post in the thread Foil section? For foil board.

    There's a lot of information on that chart, so I'll break it down. Cavitation occurs when the local pressure falls below the vapor...

    Sep 18, 2022 at 11:01 PM
  4. ziper1221 liked tspeer's post in the thread Foil section? For foil board.

    I don't think the E817 is a good choice. It is intended to operate at high speeds without cavitation - much higher than you will be...

    h105shape.jpg Sep 18, 2022 at 11:00 PM
  5. ziper1221 replied to the thread Are the predicted lifespan and build quality of boats considered during design?.

    Older fiberglass boats were so overbuilt that fatigue failure of the hull is a non-concern. Of course there are the usual service...

    Sep 18, 2022 at 10:45 PM