Building a Bike Boat Catamaran
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- เผยแพร่เมื่อ 14 ต.ค. 2024
- I live in a city with a lot of water and I have wanted to have some kind of boat for a long time. I don't have any place near the water where I can store a boat, so it had to be transportable and not too big. And yet I wanted enough space for 2-3 people to relax on it comfortably without space problems or you know.. sinking.
I also needed it to be human powered because any kind of motor(even electric) is forbidden on Hamburg waterways inside the city. And you know I'm into bikes so rowing was out of the question - and that's how my biggest project yet started.
Building this took about 4 months, the planning took almost as long because I had to figure out how to build the largest, lightest boat possible within the limitations of my small shop and with the toolset that I have while not spending a fortune on it. I also needed it to be bike transportable because I don't own a car and if I did.. it probably wouldn't fit in anyway.
This is not the perfect boat for everyone but it's what I came up with for my set of circumstances. As with most things I make, I had no real clue about boats before this and I still don't!
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RESPECT!!! That comes from an engineer, fabricator and welder!
simple and nothink new xD
excellent display of machining skills
If I could improve upon this already-genius build, I'd rig it for a detachable sailing system. Great work man, I love your stuff. Things like this (at a commercial scale) will be the future of transportation.
I'm building a cat out of poor mans fiberglass and I am gong to put a hanky jib on it but also its gong to be padeled
That's a great idea, like a simple sail, light weight 👍🙏
Love how you even rode it to the water on your bicycle ,, just great
That is really great. I live in Copenhagen, would be perfect here. Most people build rafts and put on engines and get insanely drunk. Nice to see some people are more creative. Very nice job done there.
Good work, I mean amazing!
Pure genius! It took 4 years for it to come up on my search but it was worth the wait. Boats, boat building, bicycles, welding, machining, and human power is my passion too. I no longer have access to a lathe, mill, or brake since I moved to Texas and sold my Tig but still have a small flux core welder. I am making my amas or pontoons, from plywood and fiberglass.
your selective use of music and just ambient sound is maybe the best I have ever seen in this style of maker video.
Great build. I would add flotation foam in the pontoons to avoid sinking when taking a wave over the sides. Also a possible upgrade would be to look into an articulated shaft at the prop and loose the rudder. More efficient to change the direction of propulsion than the rudder.
Not at low speed it isn't. Well, maybe it's more efficient, but at low speeds you lose steering with directional thrust. You have to have a rudder to steer any time you aren't actually applying thrust. As anyone who has ever tried to steer a jet ski or wave runner in a "No Wake" zone can testify to. Keep the rudder, but you might think about getting rid of that prop and using a real water prop. Or, better yet, you could modify it to have adjustable pitch on the prop and make it a constant speed "engine" with a prop that can be adjusted to increase the speed of the boat. That way you can pedal one speed and tune the prop to go faster or give more torque at low speeds. Either way, this is a terrific build.
@@WmSrite-pi8ck those higher pitch plane props work fantastic underwater. Not as durable. But higher speeds have been achieved with airplane racing prop designs. The electric outboard and trolling motor world is noticing. Especially the solar crowd.
Beautiful well-thought-out design, excellent craftsmanship and a great video! Thank you! One tip when cutting synthetic fabric is to use a hot knife instead of sissors then you don't have to fold and sew the edge under to protect the raw edge from unraveling because it heat seals. This also makes some of the other intersecting seams thinner and easier to sew.
Very talented individual. I thought I was good but you are several levels above my skill set. My respect to you and your talents.
Cool project, I mean spaceship! You combine two of my favorite things, cycling and boating! Liked the integration of bike parts into the build.
очень небезопасная.....сделана добротно,красиво,хорошо,но......при волне небезопасна-она потопляемая-легко потопляемая. хлебнёт воды и утонет.
Unlike others, I have no tips or suggestions, only admiration for the craftsmanship and skill you showed making your boat. I subscribed.
Fantastic, I really liked the cable based steering linkage.
The Wright Brothers built bicycles. Invented the Airplane. Bike builders are innovators. This is amazing!
Großartig! Es ist immer sehr faszinierend zu sehen, wie vielseitig Du bist. Egal ob Blechartbeiten, machining oder nähen, Du kannst einfach alles. Chapeau!
[Great! It is always very fascinating to see how versatile you are. Regardless of whether it is sheet metal working, machining or sewing, you can do everything. Chapeau!...] -WOW! This Google Universal Translator Chip I stapled through the top of my skull and into my Brain meat works perfect. I'm glad I stole it..... Watashi wa ima,-shin no yōdesu. Zutsū no suru kami. Itami naku shite eru mono nashi.
....
Получайте удовольствие, используя гугл-переводчик с клавиатурой, а ваш бугер тыкает пальцами в кучу обезьян. смешно!
Artbeit trifft es auf den Kopf! (So, jetzt google translate)
I love your solutions for steering and the rotating/kick up rudder/prop. Brilliant stuff! And the custom bike trailer was a nice touch!
love the flip-up drive and steering system
Impressive! You are a real professional adroit man who can build almost everything from metal fabrication, welding, sewing, bicycling, video editing, and even a sailor. Congratulations on a job well done! :)
I think all your videos are amazing, waiting for the next project!
I love seeing people taking charge of their dreams instead of just dreaming. Now if I could apply your brilliant skillset to building my dream classic car I could save a ton of cash. Great video too.
If it was me I'd get two small aluminum canoes then build the rest. Nice work!
Abosolutely awesome! I am doing this myself, only with 2 kayaks, and a electric motor. What i want in life is to build a aluminium catamaran world sailing boat. I am super impressed by your workmanship. Bravo!
You are the most underrated maker !!!
Sehr guter Zuschnitt, Bohr-, Fräs-, Dreh- und Schweißarbeiten. Präzise Zusammensetzung. Good Job. Congratulations....
I'm glad I found your channel. Another amazing build.
Its videos like this that make U-Tube great. Its one thing to be able to design and build something like this, but then to film the build in time-lapse and share it with the world! It's just amazing, thank you.
Just Wow! Great build!
For me the machining and mechanics parts were a little bit too fast. I'm used to the pace of this old tony :D
Yeah it's already pretty rushed but people are already saying it's too long. It's hard to fit months of work into a short video :/
@@PhilVandelay Great Work And Video Brother
How Much To Buy ?
I have a fiberglass canoe and kayak that I'm thinking of joining together like this and adding a mast and sail. Maybe score a used hobie kayak pedal drive to add as well. Your work is an inspiration.
amazing your work
Great idea, can use some improvements like reducing the amount of metal for lighter construction, having integrated flip-up wheels at the "transom" of both hulls so that a separate trailer is not required, covering the hulls to avoid flooding and sinking, etc. Other cosmetic touches could include paddle brackets, detachable sail system, bimini-top style sun-roof, chain cover, etc.
Keep up the good work!
I like your pontoon design and your power train, but i think you would do better with a small marine propeller.
Very nice. I wish i had a full machine shop to use.MT
I actually did some research on this (I assumed the same thing) and found out that marine propellers wouldn't work well for this because their shape is specifically designed to work optimally at much, much higher RPMs than this has due to being powered by a gasoline/diesel engine. They run at 3000rpm and more while this only reaches about a tenth of that. Different physics apply, hence a different geometry is required because you can't create the same stream/vortex that something like an outboard motor creates. And as it turns out, long thin propeller blades are a lot more efficient at low rpms (but still relatively high torque) like you get in a human powered drive train. I think I'll try a marine propeller some time just out of curiosity though, it's not that hard to swap them. What I can say is it seems to work really well with this one, you can reach an average rowing speed without breaking a sweat
Good workshop and great project. Nice boat!
One small change (improvement) I would do is to add air balloons to the points/end of the floaters, plus enclose them from top (alternatively with water tight access hatches to store something on the way and keep center of gravity low).
Those balloons are simply inspired by what kayakers use. And having water over the edge to the open floaters is not about IF, but WHEN. As it WILL happen sooner or later.
Anyway I am in awe how well you build it. That's definitely one of (if not the top one) the home made catamarans I've ever seen.
Strange, the video was long but I was not bored. Great work buddy!
Великолепная работа, и так всё подробно снято. Работа достойна уважения. Посмотрел от начала до конца на одном дыхании, так сказать. Спасибо большое
I Need To borrow this Talent.
Loving it!!
Just wasting my valuable Time reading Comments.
I took a class in welding, so i know basically how to use the tools and not blow myself up while simultaneously using complex CAD but i don't know the things such as manufacturing or detailed information on what to do, your videos have a lot of cool little tips like on how to cut things straight with a plasma cutter using an l bracket or just using a wood template to scoot across
Just get started with some small projects, most of the knowledge is simply practice. You just kind of get an intuition on how to approach things. Don't be afraid to make mistakes and you'll quickly gain valuable experience every time you mess something up ;)
Doesn't look like it in the videos but that's how I did it. Still make a ton of mistakes and learn from them. But as you said it also helps a lot to watch experienced people work. But as with most things, if you don't apply the knowledge it quickly fades..
I'm worried about you a lot. Make four blocks unsinkable. Two in the bow, and two in the stern.
Tottaly fantastic!!!! You are obviously a very talented, creative person and also very skilled craftsman and engineer!!!
Super well done mate! 😀👍
Amazing!!!!!! Exceptional project!!!!
This is my first time ever commenting on any video. But I could not help commending you on this!! Like you I want to get on the water but with my kids and can’t afford a boat, so I got a couple of plastic pontoons which I am currently working on making a small craft like this... I am not as gifted like you in this area so mine won’t be as nice but I pray I can have as much fun as you both doing it with my boys and using it with them!! Great way to show them not to limit themselves and also that you don’t need to be rich to enjoy certain pleasures in life... use what you have...Creativity!!! Thanks for sharing and inspiring!! Enjoy!!! Antigua’s greeting!!!
Thank you and good luck with your boat :)
Again an amazing (intense) build! Your work is great, Phil! I enjoyed every single clip!
Criticism: A few cup(beer) holders for you and your friends would be appropriate. ;-)
Thanks for sharing. Keep up the good work! I wish you much fun with your 'Feierabendboot'.
Cheers from Munich! Ben
You're right about the cup holders!
I was thinking cup holders too! Your video is so well done, and your machining and design are inspirational. Admiration from a little town on the Erie Canal.
Обалдеть!!! Супер!
Почему у меня в гаражах нет соседа с такими золотыми руками и с такой отличной мастерской?
Your a wizard!
What a fantastic boat. And if you wanted, I’m sure you could install sweet oar mounts for shallower water. Maybe a pole
Brilliant build! What kind of sprint speed can you get and what is your cruise speed?
It's pretty hard to answer because wind and current have a big effect on a small boat like this. Overall I'd say with 2 people on it it's about as fast as a canoe, both cruise speed and top speed. I'd say somewhere between 4-8km/h on average. But the difference is that it's way more comfortable and you can pedal for a long time without getting tired. I've covered 20km with this in one day without much exhaustion.
@@PhilVandelay can you say something about the total cost?
@@aiz234 It's hard to say, I kind of lost track at some point.. but it was definitely way too much. Just the aluminum sheets alone were over 500€ if I recall correctly. The nylon mesh for the surface was pretty expensive too. I think overall I probably spent around 2000€ on it. All the small things add up too.. It's not the smartest or most efficient way to build something like this, more of an experiment
@@PhilVandelay if I May ask, why did you choose aluminum instead of mdf? You can then pour epoxy on the surfaces once the structure is done. Even adding a layer of fiberglass could be an option later on. Are there any benefits to being pure aluminum?
@@prototype8861 Aluminum pretty much lasts forever in the water without any maintenance and it's much, much lighter than a wooden hull. As you can see at the end, transportability and weight was one of the main concerns for this build
Great and wondrously fantastic build from scratch and the ingenuity factor is up on 10 for sure! But first time a motorboat comes along and creates the dreaded tsunami wave as he goes zooming by and filling your boat with water that thing is going sink like a mummy in a cement casket. Yer gonna need a longer snorkel!! Or at least some flotation devices and a good bilge pump!
very amazing, I urgently need one of these!
I Wonder How Much To Buy ?
Great work and seems to move along well. What did you use for a propeller and how did you arrive at the choice you made? Any different ideas after using the boat for a while? Thanks, Dennis
Wait that's an air propeller, its blades are too long and too narrow - you get a lot of water resistance and not that much of thrust. You'd get much more thrust at less effort if you'd use a boat screw propeller.
I have seen other pedal powered boats with similar prop design. I think it might have to do with the different rpm and torque you get as opposed to engine powered boats.
The blades are long and narrow, but (as I understand it), less wetted surface overall, so less resistance. And the engine propellers are designed to operate at a much higher RPM and power rate than a human can produce; 16x16 seems to be the consensus over on boatdesign.net as the best prop for this low horsepower/high torque application, other than building a custom prop.
Please note that I am neither an engineer, nor experienced at this.. merely passing on what I have found as I research my own hpv boat project. Much respect to this builder for a work of art!
Really liked the video, and when I saw :"Plans for my Projects on Etsy" I was so excited, but you haven't listed the plans for this boat, I was going to use it as a base for a small sail boat, bit longer and covered hulls and a mast and sails, maybe an outboard
Yes unfortunately when I built this, I wasn't making plans for anything really, at least not as comprehensive as I do now. The 3D Model you see in the beginning is more of a rough "sketch" that I used to figure out some dimensions and proportions, but most of the detailed stuff I figured out as I went along. That's why I haven't provided plans for this so far, because non exist instead of some scribbles and notes . That being said, I consider this boat a working prototype and work in progress, and I plan to keep improving things and rebuilding parts of it until next Summer. I think during that process I'll make a new, proper 3D model of it and also create plans with measurements. So if you're not in a hurry, plans will hopefully be available sometime next year along with a video with a bunch of improvements (those mostly concern the drivetrain/propulsion, I'm quite happy with how the hulls and frame worked out). I'm also planning on closing the hulls - most likely using waterproof tarp, so that they can still be accessed forstorage (which was the main reason I left them open in the first place)
Einfach nur Perfektion. Unglaublich gute Arbeit und ein schönes Endergebnis!
however much it cost to build it was Very well engineered well build but on top job satisfaction was priceless you just didn't put things together you manufactured them from raw materials and that to me was truly Amazing Great great job man keep creating manufacturing n posting
So awesome! Wish i could buy one from you :)
Great build, but I would recommend a few tweaks for ease of use. A quick-release fitting of some sort for your drive-leg/rudder would make putting your rudder down a lot faster without risking a dropped wrench.
Similarly, your trailer-tongue to bike connection could be a simple pin drilled for a retaining pin; no need for wrenches. The tongue-to bow connection for trailering could be another quick-connect setup to be determined, to eliminate the need for wrenches and speed up setup. Lastly, the trampolines either side of the center section could have been sewn just large enough to span from the center beam to the poles already in the tops of the pontoons. You'd thread the pole through once and leave them that way. When it's time for setup, you grab one pontoon and walk it out off the trailer, stretching the trampolines on the way. All you do then is bolt up one side of your cross bars to the one pontoon, give a final stretch to the trampolines, and make the bolts on the opposite pontoon. That could cut out the need for lacing the pair of ratchet straps every time. You might not get perfect tension this way, but it's a thought.
Could you, please, give up the plans with the measurements and angles of these floats built by you? thanks.
r r
Grabcad check
So clean! Im jealous of your shop and craftsmanship, awesome job 👍🇺🇸
No way, are you drinking Tyskie?!
Yes! Great Beer
@@PhilVandelay Sail to Poland, I will show you great beer ;) Anyway, what is great here, is your job and imagination. I LOVE this.
Polska !!
Very impressive to watched brother thank you for sharing your talent ...God bless..and more power..
Заполни поплавки пеной, для непотопляемости!
то не поплавки, если сверху обварить, то будут поплавки
Пена не держит воду
пенопласт он наверно имел в виду
wonderful craftsmanship
Weird flex but ok
Wow, just Wow...respect for a clever designer & fabricator.
very nice project, well thought out and executed.. and filmed.. thank you for sharing it with us.
Very satisfying to watch the entire build. You are a talented man.
Nice, all it needs now is cup/beer holders...lights...refrigerator/freezer, v berth, salon, nav equipment, stereo, solar panels, ...nice and simple...just the way I like it. :):):) great job!!
What a wonderful process, what a wonderful shop!
Wow that must have taken a lot of patience, I built my first Katamaran in a weekend out of cedar and marine vinyl. I was thinking of building one out of aluminum now that I have a welder but yours is by far the most complex I've seen yet. Great job man!
fantastic workshop, you seem to have everything. and you did an excelent job
Let's Hope She Still Afloat 50 Years From Now , Great Work Earthling
Bless Up
Looks like up to six smaller or four larger people could travel on that rig. Nice to be that close to the river. You will no doubt have a lot of fun with it. I liked that the Bike towed you to your Launching area … we need more people doing projects like yours, or Plastic skinned wooden canoes/catamarans. I really hope you inspire many to get into this sort of hobby. I have a BloKart because the rivers are dry around me and we have many salt lake beds we can enjoy on a Land Yacht. I like your design …
Is it just me or is this severely under appreciated
The TH-cam Algorythm works in mysterious ways... I think it's just too long for most people to click on, but well, it was a big project.
Beautiful creation
Impressive. I like it so much i have to add to it and get a sail put on it. Not because i am lazy, but sails are awesome, you can peddle and you can sail, and you can do both at the same time. Plus you get a little more respect with other boats and ships, etc... with a huge sail. You appear more substantial, it is like comparing a bicycle to cars, but with big bright double headlights on the bike, marker lights and turn signals, you appear more substantial, and cars will steer clear of you more.
You’re pedalling on the “Alster” in Hamburg, my hometown. Excellent workmanship.
I am utterly impressed! You even machine your own parts. I must say you make me feel rather inadequate ... you even filmed and edited the whole process beautifully! I can only hope you are a professional and not another bloke like me.
Классный катамаран даже втроём катаются и не тонет, супер.....👍
This is epic! ...but just thinking about the cost in raw materials alone has my heart racing. You've a rare set of talents, my man. 👍
Well done! A lot of work there and it looks like it paid off.
Super starke Konstruktion vom Phil Vandelay baue gerade nach seinen Plänen das Lastenrad nach
sehr gute CAD Pläne👍 bin seid über 30j Schlosser da muss man den Hut ziehen echt top
Very kool !! Thank you for sharing. Love your ruder design.
Awesome job! I love this thing.
That drive-train is slick. If it isn't already positively buoyant when flooded you might wanna pour some foam, or just avoid choppy water / drunk friends.
Thanks! Yeah I want to add float bags to the front and rear just in case.
You did a half miracle with the equipment you have ... Congratulations ...!
You have made a boat AND a bike trailer.
I don't know if I'm inspirated or small.
You are skilled and talented...
Great job and great vidéo 👍
Gördüğüm profesyonelce yapılan en güzel katamaran. Tebrik ederim.
Geiles Teil und schön auf der Alster, was die Hamburger so Bauen. Super
I love very much this so difficult project. Watching from philippines!
This is epic! love the design and utility of the entire build - from pontoons to propulsion to trailer. :-) Thank you for sharing the process and giving me some wonderful new ideas!
You good...damn good...so detailed...never saw any machinist do all the piece work without help. Great..
In real life everyone need a wider spetialization, not only put item from A and put item to B :)
Beautiful craftsmanship. just quality
Красота! Чистый конструктив, ничего лишнего!
Super build. Although in my experience waterproof rivets are not good for panels that flex and will let in water over time.
Love how you can get 2 friends on there too!
Impressive design and fabrication
I admire your designs. I also started making an electric catamaran and it can dive to a depth of 2-3 meters
Should have made it a two seater so the passenger can help peddle! Excellent video, great workmanship!
👍👍👍👍👍. 💪💪💪💪💪. 👏👏👏👏👏☺!!!!!
Класс ,МАСТЕР НА ВСЕ РУКИ !!!!!
ВАМ НАДО СТРОИТЬ КОСМИЧЕСКИЕ КОРАБЛИ !
HELLO FRIEND, CONGRATULATIONS FOR THE PROJECT. ASK ME A DOUBT, IS THE PROPELLER YOU USED FOR AERO MODELS AND DID IT WORK FOR THE CATAMARAM?
Man you are a real engineer, love your videos
U are IRONMAN !!! That is an incredible build!!! The engineering, u are a mad scientist!!!! Just awesome,great production awesome video ………
Thanks 🙏
Aluminiuman
What a beautiful creation.
What an absolute unit of a boat
I think it is perfect, the geometry, the drive, the milling... Now, where to park... :)
It's true about the parking... I got a spot where I can keep it near my shop (out of pure luck). But keeping it near the water would be much more convenient ;)