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BRIGANTINO GOLETTA (SCHOONER BRIG) "FRANCESCA".
Greetings to all naval modelers.
In this section of the site (I hope I got it right this time) I want to include a 1:50 scale model that I invented many years ago.
It is not taken from kits or existing projects.
It was born as a toy to entertain my son but little by little I added slightly more accurate modeling elements.
I designed the hull but without using software, I drew it with pencil and paper. However, if you are not capable of designing a hull, the software is of little use.
It's not beautiful (let's even say a little ugly), I know this, because it wasn't born with a homogeneous project but is the result of ideas that came along little by little.
I'm fond of it and "every cockroach is beautiful for its mother" ahahahahahah.
However, it was very useful for me to do nautical tests and learn the rudiments of electronics on board RC models.
The motor is a 24 volt brushed motor but is normally powered by 6 volts. However, there is the possibility of bringing it up to 12, 18 and 24 volts. Up to 12 volts has been tested, above no.
It has no protruding fins or keels and can navigate in about 10cm of water.
Her name is FRANCESCA but I gave her to my son.
I will not include all the assembly phases but only some summary photos, so as not to bore you with an already finished model.
Of course, if anyone asks I will be available for any details.
I will only post four or five more messages related to the most interesting sailings, with very short descriptions of the places.
Length on deck: 80 cm
length on the waterline when empty: 78 cm
length on the waterline at full load: 80 cm
overall length: 112 cm
maximum width: 21.2 cm
full load draft
with three steel bars
on the eyelashes: 12.5 cm
empty draft
with three steel bars on the eyelashes: 8.5 cm
tree height: 41.5 cm
height from keel to deck: 17.5 cm
total height: 59 cm
weight without batteries: 5.42 kg
weight with three batteries
lead acid VRLA AGM, 6V 4Ah: 6.27 kg
motto: LEPANTO 1571
https://www.youtube.com/watch?v=AP_JzRoamPk
AlessandroSPQR
2 years ago
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Recent Posts
๐ Holiday greetings from the seaside
1 hour ago by
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Merry Christmas to all ship modelers, especially Colin and his family.
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๐ Question of the Day?
1 day ago by
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Good morning everyone and Happy Christmas Eve.
Who among you has ever sailed as captain or crew member (sheets) on a cutter?
I haven't.
I've come across a few (much less than the very common and widespread sloops) but I've never had the opportunity to climb aboard one.
Yet I thought the reasoning was similar to that of the sloop.
So once I translated the terms correctly (there's a word that's the key to everything), the answer was quite easy, especially if you've seen it in person.
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๐ Question of the Day?
2 days ago by
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Hi Steve, I know what you're talking about. It's happened to me once or twice.
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๐ Question of the Day?
3 days ago by
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I'll try not to reveal the answer, so as not to spoil the game for those who haven't yet answered.
For the answer with a 21% score, I can only imagine typos, carelessness, or consulting flawed AI. Any reasoning would have led to the correct answer.
For the answer with a 7% score, consider a stronger factor than necessary.
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๐ Question of the Day?
8 days ago by
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Thanks for this explanation, EdW.
Based on the first translation, the correct answer seemed the most logical (especially considering the options).
But I was still unsure about the correct interpretation of this word and feared a trap.
This information is very interesting, EdW.
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๐ Question of the Day?
10 days ago by
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Correction, we're at 96% now.
Someone made a mistake, what a pity, sorry.
Maybe they didn't answer the same question a while ago.
No problem, I'm sure the AI โโwill ask this question again in a few months.
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๐ Question of the Day?
10 days ago by
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This historical fact also needs to be assimilated by everyone.
And it seems the AI โโis succeeding, as 100% of the questions have now been answered correctly.
Remembering it in the long run is another matter entirely.
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๐ Movie rust and aging...
10 days ago by
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This is absolute mastery, Jumpugly!
Bravo! Excellent! It's absolutely realistic.
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๐ Question of the Day?
14 days ago by
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It seems so Ross, hahahaha.
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๐ Question of the Day?
14 days ago by
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Hi Ross, no, I'm not referring exclusively to static display models (in a static model, no element has a real function, of course).
I'm referring to dynamic models, but they reproduce various types of sailing vessels, certainly not racing or racing sailboats, as I've already said.
My opinion, of course, is based on my personal experience.
The last two RC naval models, but especially the last one, were able to sail without the need for shrouds and stays (I don't have backstays).
I can say this because due to a positioning error, I had to cut all the lower shrouds (I have sixteen lower and eight upper ones) and redo them from scratch. At that point, I had already installed the complete sails. Without the shrouds, the masts had no problems.
Of course, this is my choice and is debatable, but I've found more advantages than disadvantages.
If you look at my model, it seems like the shrouds and stays are doing their job because they're taut enough to make it appear so.
They're actually stretched just right to be realistic, but they contribute very little to the tree's shape.
The cross-section of the tree spindles is to scale and isn't large at all. If you want to know the exact diameter, I can measure it.
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๐ Question of the Day?
14 days ago by
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Ciao Ross.
A clarification, because I don't want to be misunderstood. I'm not saying that standing rigging shouldn't be used. I'm just saying that in scale models it doesn't serve the same function (or at least serves only a minimal purpose) as it does in real ships. As for my ship, removing it wouldn't make any difference in terms of functionality. Clearly, for racing sailboats and large-scale models, the situation is completely different. For your model, I can't say how essential the standing rigging is. That's a question I'm asking you.
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๐ Question of the Day?
15 days ago by
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Hi Ross.
I don't actually rely on standing rigging to hold the masts in place. In real boats and ships, this rigging is essential for holding the masts in place, but not in modeling.
In my case (but I think it applies to all modeling), both the mainmast, the foremast, and the bowsprit (and, if I had one, the mizzen, too) are held firmly in place without the need for standing rigging.
The standing rigging is kept under tension only for aesthetic reasons.
I don't rely on standing rigging to hold the masts in place for three main reasons: 1) it's not necessary (I didn't even glue the masts; they were wedged into their forced slots and secured with a cotter pin); 2) excessive tension can deform them (I've seen many bent unnaturally and get worse over time), while insufficient tension is completely useless; 3) I've noticed that temperature changes affect the ropes much more than I imagined. A rope that's taut at one time of year and in a certain condition becomes slack at another.
I recommend securing the masts well (even without gluing them) so that they hold in place even without any fixed supporting rigging (in modeling, unlike in real life, this is possible). Then add the rigging, paying attention to symmetry and the correct tension of the ropes, primarily for aesthetic reasons, but without over-tightening them.
Only if I had steel wire and real metal turnbuckles (instead of dead eyes) could I consider using the shrouds, stays, and backstays in a real way.
This way, I could adjust the tension of the rigging, adapting and modifying it as needed.
For very small ladders there are no real turnbuckles.
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๐ Question of the Day?
15 days ago by
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Ross and I were talking about chains and here's the question about chains.
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๐ Question of the Day?
15 days ago by
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I think you made the right choice, Ross. There are ultra-strong ropes, but 10 kg is more than enough.
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๐ Question of the Day?
15 days ago by
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Hi Ross, forgive my intrusion, but I wouldn't rely on model chains (regardless of scale) because, in my personal experience, they have very little tensile strength.
They're purely for aesthetics; I don't assign them any function.
This is easily explained because the links in model chains aren't welded but are joined only by bending.
But be careful, I repeat, I'm basing this only on my limited experience. I've always bought chains from Italian manufacturers that make them for static modeling and therefore only for aesthetic purposes.
However, it's easy to check: see if the links are welded together or not (of course, such a job would be more expensive for a manufacturer).
You can also test the tensile strength of your chain yourself by hanging increasing weights.
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๐ Question of the Day?
15 days ago by
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I thought it was the real one. So it's normal.
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๐ Question of the Day?
16 days ago by
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Hi Ross, I asked myself the same question.
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๐ Question of the Day?
16 days ago by
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Hi Roy, thanks for this information.
Over time, this forum (and partly the "question of the day") has inspired me to search for the exact English terms for nautical elements.
Since the usual translators were completely inadequate (imagine that the term "deck" for us is "ponte," but "ponte" in Italian also means bridge; another example: "mast" we translate as "albero," but "albero" also means "tree." Imagine if I wrote the tree on the bridge, it broke) and even the Italian-English nautical dictionaries weren't always helpful, I resorted to images and drawings.
If I see a drawing of the complete sail system with captions in English, everything is simpler and certainly unmistakable.
The problem is remembering it because there are so many specific nautical terms, but I'm slowly getting there.
It helps that I know the rigging and sails of boats and ships very well. There's certainly a big difference between a simple sloop and a full-rigged ship.
The English terminology that differentiates between "manovre fisse" standing rigging and "manovre correnti" running rigging was one of the first things I learned, along with sheets and shrouds, but thanks for reminding me anyway.
As the ancient Romans said: "repetita juvant."
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๐ Dutch sailing barge
16 days ago by
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Sorry, I copied the translated text twice instead of editing the errors.
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๐ Dutch sailing barge
16 days ago by
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I've seen these differences even in the models you describe as museum-quality.
Even in the models you describe as museum-quality, I've seen these differences.
Even in highly detailed models, there are those who choose clarity (every piece is unique, mirror-clean, new, impeccable) and those who expertly add dirt, rust, and wear (but it's not carelessness, imprecision, or incompetence; it's all intentional and deliberate).
I'm fascinated by both, and I'm happy there are so many differences in building methods.
Ultimately, Andy, we are builders, but also observers and admirers.
We're truly curious and passionate about the work of others when it comes to scale modeling.
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๐ RTTL2755 having a run out
16 days ago by
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You're right, John, it navigates perfectly, and you made a very impressive video (too bad it's so short). How much does your RC model weigh?
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๐ RTTL2755 having a run out
16 days ago by
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Thanks for your information and your time, Rogal.
I'm no expert on high-speed models, but if I were to build one (I have one to restore in the future, but at my speed, it'll take forever), my goal would be to convert it from displacement to planing, lifting it off the water and exceeding the critical speed.
You've done it admirably; there's nothing to say, only learning from you, John, and the other talented people like you.
Still looking to the future, on this splendid speedboat I have, I should first replace the electric motor with a much more powerful one, also adjusting the propeller.
The problem is that there aren't any adequate openings, and I'd have to cut the deck.
I'll think about it someday, but right now I don't want to distract attention from your model.
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๐ Question of the Day?
16 days ago by
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From the description in the question, I understand (except for the last part, which is still a mystery) that they were referring to a fixed rigging we call a "strallo".
From my research, the closest thing to our term is the answer I gave.
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๐ RTTL2755 having a run out
16 days ago by
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Hi John, those are very interesting and informative features.
Does your speedboat also glide (lifting at least half its hull) well on the water, like Rogal's?
Perhaps his is lighter, though.
And how much does your model weigh exactly?
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๐ Dutch sailing barge
16 days ago by
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Everyone has their own style when building scale models.
There are those who manage to give their naval models a lived-in, used, and sometimes worn look, and those who create clean, sharp, and immaculate ones.
I like both styles and greatly appreciate the differences; everyone has their own touch.
Your model, Andy, belongs to the second category of models I described; it's precise and tidy, even insideโmy compliments.
I don't think those in the second category (as long as they're masterfully crafted, as in this case) are any less realistic than those in the first. They simply capture the moment they leave the shipyard, with fresh paint, free of scratches and other signs of wear.
Sure, it's a moment that doesn't last long, but it's still there.
Good luck with your latest additions and your first sailing.
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๐ RTTL2755 having a run out
16 days ago by
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Thanks for the thorough reply, Rogal.
You've found an excellent combination, considering the sailing performance; it glides very well on the water.
It's a great example to follow.
At this point, I'd also like to ask (sorry if you've already written this and I missed it) the diameter of the propeller, how many blades it has, and the overall weight of the model.
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๐ RTTL2755 having a run out
17 days ago by
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Your pictures are great too, John.
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๐ RTTL2755 having a run out
17 days ago by
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You've posted some very nice and interesting photos and drawings, Rogal.
I'd like to know how many volts and, more importantly, how many Ah that black battery you see in your message number 7 has.
Could you also tell me something about the motors? If you know and remember the code, I'll look for information online, or about maximum operating voltage, stall current, operating current, etc. etc.
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๐ Question of the Day?
17 days ago by
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We talked about this sail for a long time, because I wanted to know its English name. Only Jumpugly answered correctly. Later, Pat confirmed this term with her very interesting questions and answers.
Then at least one AI question about this sail appeared in the "question of the day" section.
I realized that the naming of English sails depends greatly on their function and position.
Perhaps it would be helpful to answer today's question correctly to think about the other name you give to the Spanker sail.
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๐ฌ Re: Crew for next Project From Etsy 3djson
18 days ago by
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Great work RPLedm.
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