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04. Building 15m carbon performance catamaran - "CarbonBee" 

Bo Janu
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All videos are to see on my channel: / @bojanu7212
We are building "CarbonBee" in Berlin (Marina West). Measuring 15 meters in length, based on our JANU-15 design, full carbon-fibre catamaran focuses on both high performance and a well-balanced level of comfort
It's a family project from the design over the construction up to... sailing the catamaran.
Unsatisfied with the offerings on the market, we decided to design and build the catamaran ourselves using state-of-the-art materials and technology.
"CarbonBee" is designed to be a true blue water sailing catamaran, offering a combination of lightness, solidity, power, speed, and safety. Our intention wasn't to create and build any houseboat or a condo-maran.
The aim was also to demonstrate that building a high-tech sailing catamaran can be achieved by amateur builders.
The catamaran's two hulls will each contain two cabins for two people, as well as a shower with a basin and a separate toilet with a basin. The bridge will feature a kitchen, saloon, navigation equipment, and a steering station.
"CarbonBee" will get electric propulsion and possibility of recuperation when going under sails.
"CarbonBee" measures 15 meters in length and 9.3 meters in width, with a draft of 0.5/2.5 meters and a weight of approximately 4 t. The displacement is 6.5 t.
See also the last picture in Video - 01.
Alle unsere Videos sind hier: / @bojanu7212
Wir bauen „CarbonBee“ in Berlin (Marina West). Mit einer Länge von 15 Metern, basierend auf unserem JANU-15 Design, der Kohlefaser-Katamaran Projekt konzentriert sich sowohl auf hohe Leistung als auch auf ein ausgewogenes Maß an Komfort
Es ist ein Familienprojekt vom Design über den Bau bis hin zum… Segeln des Katamarans.
Unzufrieden mit den Angeboten auf dem Markt entschieden wir uns, den Katamaran selbst zu entwerfen und zu bauen und dabei modernste Materialien und Technologien einzusetzen.
'CarbonBee' ist als wahrer Segelkatamaran für die Ozeane konzipiert und bietet eine Kombination aus Leichtigkeit, Solidität, Kraft, Geschwindigkeit und Sicherheit. Unsere Absicht war es nicht, ein Hausboot oder einen Condo-Maran zu bauen.
Das Ziel war auch zu demonstrieren, dass der Bau eines High-Tech Segelkatamaran auch von Hobbybauern bewerkstelligt werden kann.
Die beiden Rümpfe des Katamarans werden jeweils zwei Kabinen für zwei Personen sowie eine Dusche mit Waschbecken und eine separate Toilette mit Waschbecken enthalten. Die Brücke wird über eine Küche, einen Salon, Navigationsausrüstung und einen Steuerstand verfügen.
'CarbonBee' wird einen elektrischen Antrieb bekommen mit Rekuperation Möglichkeit beim Segeln.
„CarbonBee“ ist 15 Meter lang und 9,3 Meter breit, hat einen Tiefgang von 0,5/2,5 m und ein Gewicht von etwa 4 t. Verdrängung beträgt 6,5 t.
Siehe auch das letzte Bild in Video - 01.

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24 авг 2024

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Комментарии : 41   
@mp6756
@mp6756 2 года назад
Wow just Wow the boat designe is beautiful
@bojanu7212
@bojanu7212 2 года назад
Thanks!
@graeme-sailingskeptic
@graeme-sailingskeptic 2 года назад
Great work - watching with interest
@michaelbakker5314
@michaelbakker5314 2 года назад
I hope you can upload more videos of the building of the boat. I think it's great what you've accomplished so far and I'm very curious about the rest of the build.
@danharding4794
@danharding4794 Год назад
I'm looking forward to the next phase of your project. It is beautiful.
@ricklack2206
@ricklack2206 Год назад
You are making good progress in only one year, looking forward to the future updates. Thank you for sharing your videos.
@bojanu7212
@bojanu7212 Год назад
Thank you for watching.
@simonbilstrup536
@simonbilstrup536 2 года назад
Watching from Denmark.- It is a stunning project, and your progress is phenomenal!
@bojanu7212
@bojanu7212 2 года назад
Thanks!
@romanatepper8276
@romanatepper8276 2 года назад
Bravo Bogdan and Kevin da Vinci!🤗🤗🤗
@elielsilva8219
@elielsilva8219 Год назад
Very good.
@venomguysydney
@venomguysydney 2 года назад
very impressive
@hakubaholiday9006
@hakubaholiday9006 2 года назад
looks awesome!
@olafk2297
@olafk2297 2 года назад
Das ist ein echt schnittiges Gerät, das sieht schon im Stand schnell aus
@hydrotech6822
@hydrotech6822 Год назад
cant wait to see more!
@marekwartecki5127
@marekwartecki5127 Год назад
No wiec widzialem czesc 4!! Ufff, wspaniale sie dzieje. Ucalowania dla Ani i usciski dla Was...
@bojanu7212
@bojanu7212 Год назад
Dziękujemy !
@Chris-NZ
@Chris-NZ 2 года назад
Amazing build 😀 Hi from NZ
@HS-vu2zf
@HS-vu2zf Год назад
Respekt für Eure Leistung. Der Katamaran hat sehr schöne Linien. Ich wünsche gutes Gelingen und, daß Ihr weiterhin Freude damit habt.
@bendaves77
@bendaves77 Год назад
The world has always been impressed or atleast us Americans are by German engineering.. Stihl chainsaws, Volkswagen etc. Although sometimes in the wrong hands such intelligence and enginuity can cause catastrophic events I believe this boat is going to make some of these boat manufacturers have to step up their game..
@bojanu7212
@bojanu7212 Год назад
Thanks, nice to hear it.😊
@sweetagony666
@sweetagony666 Год назад
build me one too? pleaseeeee. i reallly respect that you doing this!! :D best of luck
@themadman1357
@themadman1357 2 года назад
Bedzie super ludeczka jak skaczycie
@jamesbehr9778
@jamesbehr9778 Год назад
I love your boat build , where did you get know how to build the boat. I want to build my own boat..
@robertlaird6746
@robertlaird6746 Год назад
It looks similar to a Schionning design. Beautiful design and I can't wait to see how you do your rudders. How much more did it cost you to go with carbon than fiberglass in USD?
@bojanu7212
@bojanu7212 Год назад
Glad that you like the design. Sure, you can find some similarity to the designs from other designers considering the general shape or some elements. It is just a catamaran. In general, they all looks similar, but the differences mostly stay in construction's details and dimensions. JANU-15 ("CarbonBee") from the start was designed in carbon-epoxy-sandwich. If you want to use fibreglass (2,6 g/cm³ glass 1,77g/cm³ carbon) the whole construction will be ca. 70-80% heavier. That is not only the difference resulting from materials weight itself, but if you take heavier material, you need to design bigger hulls with more displacement, more construction's reinforcement, because you will have bigger forces, bigger sizes of equipment, etc. Additionally, you will need also more material to get the mechanical properties of carbon fibre elements. All this generate more weight. On this way you will get a catamaran which is far from performance boat and at the end it could be, you will get sailing boat which needs engines to sail. Regarding the costs difference: considering the hull only and additionally that, that you will need more material in case of the fibreglass version, I can estimate the carbon version ca. 70% more expensive, but considering the performance, they will be two very different boats.
@robertlaird6746
@robertlaird6746 Год назад
@@bojanu7212 Thanks for responding. I already knew the glass was heavier than carbon but didn't know how much of a difference it actually was. That's amazing to hear that glass makes a boat 70% heavier than carbon and that you need to reinforce things differently depending on what material you use. 70% difference on both weight and cost helps me out a lot. It would have been awesome if you had filmed the entire process of you laying up the carbon hulls and other parts as well as how you set up the vacuum bags. There isn't hardly any information about it online. The only place I found something on it was on a RU-vid channel called Mike Patey. Your rudder system really fascinates me a lot. I've been looking at the Mumby Cyber 48 rudder design and think that there could be a way to improve on the design and it looks like your on the right tract. The thing that bothers me on the Mumby design is that the rudder is so far forward and has to travel through a long narrow tract to pop out. It looks supper easy to damage the hull. Your rudder tract is much shorter. Hopefully you will talk about your rudder set up and how it works in a future video. Please do a video on how you did the carbon fiber and vacuum bag system.
@jasonkuyper8573
@jasonkuyper8573 Год назад
Looks great. Curious if you could show your layups of carbon fiber.as well as your long horn and cross strut construction.
@bojanu7212
@bojanu7212 Год назад
Thanks! The layup of carbon fibres (direction and quantity) blows up the possibilities to answer here. We use generally biax 45/45 and uni with 200-800 g/m² in different places, with different fibres directions and number of sheets to get designed mechanical properties.
@alexanderlenina4203
@alexanderlenina4203 2 года назад
Tolles Projekt. Freue mich schon auf die neuen Folgen. Wäre es möglich über Zahlen zu sprechen? Interesant wäre, wieviel Sie an Materialaufwendung hatten, um das Boot soweit zu bauen. Besten Dank!
@bojanu7212
@bojanu7212 2 года назад
Danke. Circa 1,2t Kohlefaser, 0,8t Epoxy und 0,5t Airex ist drin verbaut. Bitte lesen Sie auch meine Antworten auf Kommentare. Dort gibt es viele Informationen. Am meisten unter Video Part 02 und Part 03.
@profbinh
@profbinh Год назад
(JANU-15) design, is this your own design and where can someone get hold of this design?
@bojanu7212
@bojanu7212 Год назад
Yes it is my design. In future I will think about the design availability for other enthusiasts. I am MSc.-Mech. and designing is my hobby... some of designs are getting into a reality, like "CarbonBee", some of them are ending only in my computer. Just now in my computer is already sailing also JANU-12 (12m) - smaller and cheaper then JANU-15.
@bendaves77
@bendaves77 Год назад
@@bojanu7212 there's many people who are interested in building a 11 or 12 meter catamaran and there's lots of plans but there's a great amount of money if you can design a family 11 or 12 meter catamaran and sell it with materials or as a kit that people assemble themselves
@ragothlol
@ragothlol Год назад
@@bendaves77 We were already thinking a bit in this direction, but when we will be finally done with Carbon Bee the idea is to first sail a bit :D. Need to finish one project before tackling another.
@jamesbehr9778
@jamesbehr9778 Год назад
i LOVE YOUR boat build , how much for materials for boat build....
@bojanu7212
@bojanu7212 Год назад
Thanks! The cost of materials varies in different countries. If you plan to build such boat in the future, you can order all the materials at once and ask for a bulk discount, which will make it cheaper. I can estimate the quantity of materials needed to reach this stage of the building process: approximately 1.2 tonnes of various types of carbon fibres, 0.85 tonnes of epoxy, 0.6 tonnes of structural PVC foam (Airex or a similar material), and some epoxy additives. Additional materials include wood for the mould/frames and all the components needed for vacuum infusion, including around 30% extra epoxy, which is used with the vacuum infusion components and after infusion lands into the basket. The infusion process is much cheaper than hand lamination, as it saves on work hours, the cost of potential workers for lamination, and reduces mistakes. It is a very clean and easy-to-control process, and we can achieve around 60% carbon fibres in the laminate. Additionally, 5-10% of the materials must be added for wastage.
@domrepenrique
@domrepenrique Год назад
hi, when is the next video upcomming?
@bojanu7212
@bojanu7212 Год назад
Now, because the cold season starts here and we can't work at boat we have more time and we are in process to prepare the next video... soon.
@pred7949
@pred7949 Год назад
too little wetted surface area, this boat is going to be prone to flip
@bojanu7212
@bojanu7212 Год назад
Interesting idea. Please provide more information about this amusing discovery. It would also be interesting for many designers if you could explain how large the wetted area of the boat should be in order the boat will be not prone to flipping.
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