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HMS Alert [1777] 1:48 POF by serikoff. (Two hulls: skeleton and fully rigged)

Your gratings are really fine!! Do you know if the outer ledges were ever cut half way to accept the battens as you show, or totally across, or were both methods used at times? Pictures below. Up to now I had only seen them as in the drawing on the left and the last two pictures below but what you show looks structurally sound as well.
Many thanks

Allan

1767620090922.jpeg


HMS Victory today
1767619849162.png

Contemporary model
1767619874867.jpeg
 
True story
Thank you, friend.

Your gratings are really fine!! Do you know if the outer ledges were ever cut half way to accept the battens as you show, or totally across, or were both methods used at times? Pictures below. Up to now I had only seen them as in the drawing on the left and the last two pictures below but what you show looks structurally sound as well.
Many thanks

Allan
Thanks for the praise.

There are at least two types of gratings: a simple one (the one you showed) and a more complex one with the slats embedded in the sides.

Alert's anatomy indicates the second type.

Alert 1739.jpg


I certainly didn't come up with anything myself, but from what I could quickly find, this is the grid from Granado's anatomy.

gr.JPG

And to be honest, I'm glad that the model I'm building is built this way, and even though it's more difficult, I like it better this way.

I think the first option is more common on larger ships, and the second on smaller ones.
 
Main Hatchway.

3/3


The final stage is creating the frame for the first body.

First, I make grooves in the "table" attached to the machine. I insert the two side frame pieces into these grooves and glue them with drops of CA gel. Then, I mill the groove in both pieces at once with a 2mm router bit.

Alert 1769a.jpg

Then I mill the side pieces so that they can be joined to the other two pieces.

Alert 1770.jpg

I make the same groove in the front and back of the frame.

Alert 1771.jpg

And now you can put them together and check the fit.

Alert 1773.jpg

Then I profile the front and back of the frame...

Alert 1774.jpg

... and I glue everything together at a 90 degree angle using liquid CA.

Alert 1775.jpg

I glue the entire joint so that after sanding the glue line is visible for greater visualization.

Alert 1776.jpg

I sand the plane and the ends.

Alert 1777.jpg

Then I sand the top surface, giving it an arc shape.

Alert 1778.jpg

The photo above shows how the frame sections are connected. I plan to add imitation bolts at the joints in the future, just like where the bolts used to secure the frame to the beams and carlings. Finally, I've finally secured the front and rear grating stops.

Alert 1779.jpg

On the side parts of the frame, the grille lay on the side parts of the frame themselves, and at the front and back, the grille was held in place by stoppers.

Alert 1780.jpg

Well, here is the intermediate result (if you don’t take into account bolts and nailing).

Alert 1781.jpg

On the right is the frame for the first hull, and on the left is the frame with grating for the second hull.
A little macro:

Alert 1782.jpg

Well, this is how they will look in height on the hulls.

Alert 1783.jpg

On the left, the frame stands as if on beams and carlings, and on the right, the deck board will cover part of the frame and it will be lower (visually).

Alert 1784.jpg

Alert 1785.jpg

Now it's the turn of the last (front) grating, it's even more difficult there, so don't miss it. ;)
 
There are at least two types of gratings: a simple one (the one you showed) and a more complex one with the slats embedded in the sides.
I am not so sure White is correct as I could not find any contemporary based information anywhere that gratings on large or small vessels had the design White shows. Even so, there were very few things where the words "always" or "never" in the ships in the days of sail applies so I would not be surprised if two designs were used.

Your head ledges and coaming assemblies are beautifully done.

Allan

From a 14 gun contemporary model circa 1795 --- RMG ID: SLR0580
1767644575833.jpeg
 
3. Fore Hatchway.

1/3


Alert 1785a.jpg

Each grating on this ship has its own unique characteristics. I was very interested in thinking through every detail to ensure I could implement them all in wood. I've mentioned this many times before, but even before I started work, I designed all the gratings in a 3D program.

In the anatomy (photo above), you can see that the grating is square, but has a different number of horizontal and vertical slats. To achieve this, I calculated that the width of the smaller slats is 1 mm, and the width of the larger slats is 0.8 mm.

Alert 1786.jpg

In order to mill the base and side parts of the grating at the same time, I made a jig and fixed the side parts in the prepared grooves using CA gel.

Alert 1787.jpg

After that, I reset the height. That is, I leveled the entire surface with a face mill and set the Z-axis on the router to zero.

Alert 1788.jpg

And here I made a mistake... for the first time ever. I expected it to happen sooner, as there are so many different points and places where mistakes can be made, but I only made a mistake on the third grating.

The mistake was that I needed to leave 1.5 mm on the side, but I immediately started routing with a 0.8 mm margin.

Alert 1789.jpg

But since there was some material left on the other side, I cut out the required 1.5 mm fragment, tore it off and glued it in place of the one that I had mistakenly made smaller; before that, I had cut off this smaller fragment.

Alert 1790.jpg

The end result was this:

Alert 1791.jpg

Now I changed the cutter to 1 mm and began to make grooves to the full depth with an interval of 1 mm.

Alert 1792.jpg

Alert 1793.jpg

After polishing and removing the lint, I glued on 0.8mm slats and cut off 1.5mm on the sides. I glued the slats at different heights because I also made the cuts at different depths, just like last time, so I could sand them along the arc later.

Alert 1794.jpg

Then I glued the front and back pieces and after trimming the edges I glued the side pieces.

Alert 1795.jpg

As a result, after cutting off the edges, I got this result:

Alert 1796.jpg

And after separation from the slipway, it looks like this:

Alert 1797.jpg

I liked the result, but something else was disappointing... I accidentally drilled all the way through the frame and hit the alignment table. (Oh, it happens.)

Finally, I cut off part of the base from the bottom of the grating, and after that, I'll be able to profile it, but that's for the next part. For now, here's what I got:

Alert 1798.jpg

Alert 1799.jpg

I haven't decided yet whether I'll build a single structure—a grating and frame—or a removable grating. I'm thinking of mounting the grating on the frame at an angle using supports, since the sailors used to walk through this opening (there was a ladder there). So, in theory, I'm thinking of making the hatch partially open, but I'll see if that's feasible.
 
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