Thank you. I have that but stopped using it for some reason.
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Thank you. I have that but stopped using it for some reason.
I am beginning to understand. I have been reviewing William Sutherland's work as well as "Understand Ship Draughts by Dave White. I am following their descriptions and trying to find the centers of the circles. For Bellona, I can use some of the construction marks in the body plan to generate the circles but not all of them. I see a similar problem trying to generate the Triton circles from the body plan. I can generate the circles by using a circle tool that generates the circle by defining 3 points. Is that how you create your body plan?I will compare your result with my reconstruction of the Triton. I do not trace the given lines. I use them to define the radii of the different circles. There are always inaccuracies in the historical drawings. So it is quite normal that the line do not match well . If you compare different drawings from the same ship, they do also not match in every part.
We don’t know, which lines they used to create the drawing.
The problems at the bottom of your DoF are incorrect body lines, which gives you false horizontal lines. That’s the reason for the question in my last post.
It also appears that the same size frames are not centered on the mark
Do you mean where two frames are next to each other? If that is correct I think you are right. Looking at several framing dispositions for 74s at the time of Bellona, all frames are on each side of the station lines and the midships station is indeed the join of two frames. One example is belowI was under the belief that the center mark would lie on a bend's joint.
It definitely varied. Unless you can find a framing disposition of Bellona I would go with her inboard profile plan (below). You can see that the midships mark was changed and moved slightly aft. Taking into account the aft edge of the frame that would form the forward edge of the gun port (red line below), it seems that for Bellona midships was in between frames.I can see from Allan's images that it can be in the center of a frame OR in the join.