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Old 10-13-2020, 02:16 AM
bigpetr bigpetr is offline
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Gokstad wiking ship / scratch / 1:48

After building failure with Gokstad ship from WAK, caused by me and my errors only, I decided that since I am starting over I will do scratch build.

I did 3d model based on archeological sources:



Comparison of plank distribution with original ship:



Comparison with 3d scan of original ship:



Recently I find out, that ship displayed in museum probably do not match the shape of the ship in its duty years due to archeologists interpretation, wood shrinkage and 1000 year in ground. So my effort to have the ship as close as possible to it to acquire real shape of the ship is qestionable.


I also used my 3d model to do some tests of possible rowing positions of the crew. There are theories that they sat on deck frame instead of the chests so I want to see how it would work:




I layered the keel, stem and stern in a way it would make tapered shapes identical with the original and then covered by the outer skin parts:




I made a tool from a needles for making the carvings around the edges:


Skelet is assembled and false deck instaled to make everything stable and square:


Visible ribs assembled and testpainted to see if carvings will be even noticeable:


Jig is ready:


Planking template ready to be printed and first plank finaly on its place:
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  #2  
Old 10-13-2020, 06:58 AM
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frigate 264 frigate 264 is offline
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Interesting model, and it is to be appreciate a work documented from scratch.
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Old 10-14-2020, 12:26 AM
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Upscaled can become a real gem because you can add a lot more detail.
I will be watching with interest
Tomek
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Old 10-14-2020, 06:14 AM
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Hello bigpetr.
You started a very interesting topic, especially for me. Tell me please, if it isn't a big secret, what software do you use for projects and how you develop overlap planking? I did flat planking but overlap planking did ever not.
I will be watching you project very carefully. Good luck.
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Old 10-14-2020, 12:38 PM
bigpetr bigpetr is offline
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Hi Dane,


I am using Rhinoceros for modeling, it is surface modeler.


My procedure started by making hull as one smooth surface based on the available plans. It serve as help surface. Then I made topmost plank with aditional help of ribs shape. Then I projected lower edge of the pank to smooth surface, offset it by plank overlaping and with help of ribs shape made second plank and so on all the way to the bottom. Then I finetune the planks where needed.
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Old 10-14-2020, 12:57 PM
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bigpetr, thank you very much for the explanation. It is very valuable for me. I have a debt on a longboat with overlapping skin. I promised to build a boat but didn't do it. Now this task becomes easier due to your help. Thank you again.
This is my smooth hull longboat.
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Old 10-14-2020, 03:38 PM
bigpetr bigpetr is offline
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You are welcome Boat looks great
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Old 10-16-2020, 01:53 AM
bigpetr bigpetr is offline
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Few more planks added, looks ok:


Everything fits fine so far:
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  #9  
Old 10-25-2020, 06:08 AM
bigpetr bigpetr is offline
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I did some more planking work:



Then I attached another rib to make a support for another planking:



I have also ploted out triangular decoration on top plank of 3d model. It was probably painted:
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  #10  
Old 10-25-2020, 03:23 PM
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Michael Mash Michael Mash is offline
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Impressive planking work, right down to the notches in the hull frames.
It appears to be working out very well.
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