Most people who build their own boats often use plywood for their boats, not because plywood boats are stronger. Compared with aluminum boats, it...
I made a design hope it will help you. This raft is made of a solid foamed PE bottom plate and a 5mm plywood board that is laminated up and down....
The main advantage of a catamaran is that it can have both a slenderness ratio and a high initial stability (the two are contradictory on a...
I think you are too optimistic about the price of aluminum sheets.. Don't know where you learned the price. Based on the London LME price of...
[ATTACH] I think the data in this table is a bit wrong, the yield strength should be 125 instead of 215. The use of acetone can only dissolve...
Some books often tell you how to calculate this design. In other words, what they teach you is only: After you design (determine the size), how to...
The structural strength of small boats usually does not need to be considered (mainly controlled by stability rather than strength). The correct...
If you decide to use aluminum, it can be said that there are very few (ready-made) drawings, but it can also be said that there are many options...
I noticed that your boat was changed to 25 feet again, right? [ATTACH][ATTACH] There are 2 questions One is that the bottom plate of the stern...
I noticed that your boat is 25 feet, so according to your current design, its bottom width will be close to 2m, which seems to have some...
Are there any restrictions that make it inconvenient or expensive to use after more than 75 feet? What I have learned is that some ship locks in...
In ancient ships, the bow and stern were generally taller, and it was not unique with Chinese junk. The main reason is probably to improve...
Through reasonable segmentation, you can combine your flat plate with the largest size into a better hull close to the curved surface, and its...
Do you want a stealth boat like F-117? Your board is so rigid that it can almost be assumed that it cannot be bent. Then the problem becomes very...
Very good, especially the line shape of the ship's side in the side view, you are correct, usually the stern is higher than the bow. In addition,...
The correct way is to buy a longer boat of the same type, and then cut off the protruding bow. In this way, you get a boat with a wider bow and...
Zinc is a metal with a high evaporation pressure (similar to quicksilver). After melting, it is more volatile than other common metals to produce...
The overall hot-dip galvanizing of the entire ship seems to be an impossible project. Because there is no such large galvanized pool, even if...
Smaller boats use low-density materials, which helps maintain the rigidity of the boat plate. Another problem is corrosiveness. Metal ships will...
I have never seen any Junk in Shanghai. Only a few models can be seen in the museum. [ATTACH] I know that in another ancient city with a long...
