zstine's Recent Activity

  1. zstine replied to the thread Home Built Boats, MIC Numbers, Manufacturer Statement Of Origin And Business.

    Thanks for your reply and the web page is a big help. I figured that you would need a biz name, but when I searched MIC numbers, I...

    Mar 7, 2021 at 12:58 PM

  2. zstine attached a file to the thread DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch.

    I will do my best to answer, see table below... I don't have access to the ISO spec to see the definitions of some terms. Sorry for my...

    upload_2021-3-4_14-29-47.png Mar 4, 2021 at 2:34 PM

  3. zstine attached a file to the thread DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch.

    I ran the laminate (2x 1708 - diab H80 .5in - 2x 1708) through the Vectorlam panel calculator with a distributed load of 1.5 psi and a...

    upload_2021-3-4_13-36-35.png upload_2021-3-4_13-48-51.png Mar 4, 2021 at 1:54 PM

  4. zstine replied to the thread DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch.

    Thanks Rx.. The distance between transverse frames is 1.2m (48in) and between longitudinals is 0.3m (12in). I put all the needed...

    Mar 4, 2021 at 12:46 PM

  5. zstine replied to the thread DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch.

    The pressure is wrong for some reason. The design pressure for my boat was determined to be 9.22 PSI or 63.6 kN/m2, as can be seen in...

    Mar 4, 2021 at 10:48 AM

  6. zstine replied to the thread DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch.

    Thanks for the reply rxcomposite. The hydrostatic data in my attachment was generated by FreeShip software, so I took it for granted....

    Mar 3, 2021 at 10:34 PM

  7. zstine posted a new thread.

    Home Built Boats, MIC Numbers, Manufacturer Statement Of Origin And Business

    I’m preparing to build a boat for my own use and am trying to weigh the pros and cons from just doing a ‘home built’ titled by the state...

    Forum: Boatbuilding

    Mar 3, 2021 at 4:49 PM

  8. zstine attached a file to the thread DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch.

    The quote is from DNV-GL Special Craft, part C, Advanced Composites, Paragraph 6. Design Pressures (below). The DNV spec calculates...

    upload_2021-3-2_20-39-52.png Mar 2, 2021 at 8:41 PM

  9. zstine replied to the thread DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch.

    I think they should be similar for several reasons. First, DVN paragraph 6 states "the following design pressure formula are in the...

    Mar 2, 2021 at 8:00 PM

  10. zstine replied to the thread Davit idea.

    I've never seen anything like that. I don't see why it can't be done. The dink couldn't hang. It would have to be snugged pretty...

    Mar 2, 2021 at 4:08 PM

  11. zstine posted a new thread.

    DNV-GL Design Pressure And ISO-12215 Online Calc Mismatch

    Hi, I have been running the bottom pressure design calculation per DNV-GL Part 3, Special Craft...

    Hull Design Outline.jpg Vectorlam ISO-12215 report.jpg

    Forum: Boat Design

    Mar 2, 2021 at 2:48 PM
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