She´ll be done in a week :) - S01 E01 - DIY Catamaran
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- เผยแพร่เมื่อ 4 ม.ค. 2020
- A first shaky look at Wilda. A solar powered catamaran in the making.
Wilda is a Schionning Wilderness 1340X. A cruising catamaran designed for fast passages with plenty of gear and designed for short handed sailing.
Done in a week, 👍
Good job you didn't specify which week😎
Hm !
What a beautiful project.
Thanks Harvey! We're getting there. Next up will be paint, sadly I don't know when I can return to it due to Covid.
Thanks again
/ Axel
Incredible job!!!
Thanks Don. Not quite there yet, but hoping to get back to the boat soon. Covid had other plans 😂 Once there is a way for me to get back we'll get back to making content. Hope you follow along. And thanks again for the comment.
/Axel and Rox
Wow. Structurally sound, blank canvas. Plenty of potential. Solar electric power. A world class unique catamaran.
Yes! Thanks, exactly what I was thinking. Great to be able to see the work already done and be able to evaluate quality. The surveyor was also impressed.
@@buildingwilda it will be a big sweep up before painting the hull :p I'm enjoying the content you both give, and looking forward to the sight of Wilda on the horizon.
@@chrish2996 thanks. Definitely a cleanup before final coats. I think I might dampen the floor of the shed.
Really looking forward to launch day!
Looking forward to your build. The Schionning catamaran is in my opinion the best cruising catamaran ever built. You've got a nice platform to start off with. The best looking interior of a deck house cabin design I've ever seen is what Onboard Life Style S/V Basic did. You can check out what they have done on there TH-cam channel.
Thanks! Yes, I think the Schionning designs are among the better out there, I hope to finish Wilda as one of the better ones out there. I have been following Teal and his family building Basik for quite some time. Excellent channel. Thanks for your kind comment. I am working on my first update as I write this, and intend to post new videos every week now that I am on site and building.
Thanks again
Building Wilda awesome 👏. I sailed monohulls. But now I’m considering Catamaran, Electric ⚡️, Electric boat, dinghy. Look at this please !
Very cool 😎. 5 minutes. Really cool !!! th-cam.com/video/AagO07cHRG8/w-d-xo.html
@@VeganV5912 pretty cool tech. I already have my tesla modules though. Getting into the electrical bits of the building soon.
Thanks for the comment! / Axel
Looking good to mate
Thanks Vivian. We've got a little bit more to do, but getting there 😂
Right now we are on hold, waiting to be able to get back to the country. When we do, I hope you follow the building and the launch we are eagerly looking forward to.
Thanks again,
Axel and Rox
Oh my fucking god, why in the fuck youtube didnt show me this channel when i searched for building catamarans, what the actual fuck?!
This is top of the line content!
😂 Not that great, but thanks. Missed your comment way back. Sorry for not posting recently. Stuck in Europe for now waiting for borders to open again.
@@buildingwilda np man, goodluck and keep us posted =)
Motors have improved a lot... but I’d still would have a small gen-set to run AC’s and charge up batteries if needed
You are absolutely right. I'll be running a small generator when I need to. Perhaps 2 in parallel, mostly for redundancy. 2 to 5 kW. Would also greatly improve range if needed. I can set up the inverter to limit power draw from the generator, allowing it to work at the most efficient rpm range and hopefully allow for longer running time when I need to.
Espectacular parabéns
Obrigado. 😊
What an excellent project. Would have loved to have seen the hull being built. I've always wondered if a person could buy just a hull to kit it out as you would like, not dependent on another persons interior decoration taste.
Modern new boats are way too expensive for lil ole me. Second hand ones seem to be a bargain the older they get.
Acorn to Arabella & Tally Ho are great projects also. Good luck with your build.
Thanks. Lots of fun and lots of work with this kind of boat building. The schionning cats can be bought with modified design for the interior. Then again, you also have to build the hulls. Spirited does more pre dab with the same options for interior.
Even so, you can change quite a bit, but this should be done with care. The interior is often adding structural rigidity to the hulls and changes should be well thought through.
Anything can be done. In some boats I've seen, even wheel chair access and such. Where there is a will, there is a way.
Buying an older schionning or so and gutting it is absolutely possible. But really hard work, they are well built. The small changes I have done have taken much longer than I expected.
Good fun though 😁
/ Axel
@@buildingwilda Thanks for the advice & a good option.
@@rl53 no worries. Plenty of boats out there. Hope you find something that works for you.
@@buildingwilda I hope one day I will, at the moment I'm ill & partially disabled with ME/CFS & Fibro & housebound.
The reason I've become interested in doing the projects I never got around to doing & thinking about it. When I become well again I will be on the high seas & gives me time to research & gain knowledge.
One thing I've learnt is if you want to do something go out & do it as you never know what's around the corner.
You both should be so proud with & the work you've do so far, it's a massive achievement. I can't wait to see videos of your cat in the waters with you both sailing her.
@@rl53 Thanks. I'm looking forward to that.
Sorry to hear about your illness. You are right about getting up and just doing it. That is how I finally got going. I was made redundant and figured what the hell, now is as good a time as any. Better than waiting for retirement.
Wish you all the best!
/ Axel
Looks like great potential, what if you added some electronic steering controls to either side while maintaining the central physical steerage ? Just subscribed..
Thanks.
The central is gone! Hideous misuse of prime cocktail space 😂 You are right on the money though! Electronic steering controls will be placed starboard, port, interna and on remote. Designing the hid as I speak.
Appart from my main profession as deck officer I have recently trained as ROV pilot and my interest in automation and remote control will be a large part of Wilda. More coming up on this as soon i can build a test platform.
Cheers
/ Axel
have you considered using the wingsail style of sails, to illiminate the total number of line shadows crossing your solar panels?
Curious, due to it being elecric drive.
No. I find wing sails to be an interesting type of sail but to my understanding of the wing sails I have seen, too much of a hassle in other aspects. Sadly, I opted to not go for a rotating wing mast for the same reason. Keep it simple... Ish 😂
@@buildingwilda I've got my eye on the style used on Energy Explorer.
It's fun to see your build and I absolutly love that boat. Best of luck and I'll keep stalking ya. Enjoy.
To limit the effect of shading I am using shadow optimized panels and a controller for each panel. Ideally none of the panels should of course be shaded at all, but that will be hard to avoid. I am currently designing the layout to allow for another 500 watts. That would bring the total from 1600 to 2100. In the tropics I calculate (and cross my fingers in hope) that will give me about 8000wh per day. That should be enough to allow me to motor when needed and not have to rely on shore power or even a generator (that I plan to have) too often.
@@youtubynotme interesting boat. I would say that retrofitting anything similar on a Schionning or similar boat would be very difficult and require a lot of engineering. Not an option for me.
That being said, I know there are a few similar boats built with free standing, self supporting masts. This allows for a sail wrapping around the mast making a near perfect wing foil possible.
This has been around for a long time, the first good example I have seen is on the Chris white cruising tris. Juniper I think the first one was called. Check that out.
I was very close to making the mistake of buying an old 50 foot racing tri from the early 90s. An absolute monster of a sailing boat. Stunning and crazy fast. I finally decided not to buy it and though it would have been an amazing boat, it would have probably killed me on the first crossing from Madagascar to Thailand.
The schionning, though really fast, is a bit more practical as a cruising boat. Happy I ended up with Wilda.
Still can't quite get the Waterworld picture quite off my mind though 😁 Perhaps another time.
That roof is hideous. What were they thinking?! Good luck on the project.
😂 Exactly! 😂
Not just hideous, also increased windage, less sail area and higher center of gravity!
Most of all though, hideous! 😂
I've already cut it off, now waiting for an opportunity to get back to OZ and finish the job.... Corona! I'm over it 😂
👍👍👍👍👍
Spasiba 😂
@@buildingwilda Beautiful and ambitious project! I will watch your progress with interest. Subscription. Like!!!!
@@morychok11 Thanks Michail! Appreciate the support! More coming up.
/ Axel
how long did it take you to get to that point of the build?
At this point I had just bought the boat. In the state shown. I thought I could get it ready to launch in three or four months. Working on my own... I was wrong 🤣
electric drive? I suppose it will work since you will rely on the wind 99.9% of the time.
Exactly. Out of the 5% not spent at anchor 🤣 It is very much a sail boat, light and fast. Hope you find the build interesting. Right now we are unable to get back to the boat, but as soon as we do, we'll start filming again. Hope you stick around for more.
/Axel
When are you going to put a new video out
Sorry Gary, I wish I knew.
We are still not able to get back to the boat in Australia. Borders are closed to foreigners.
We are getting some work done on the boat though. Good to see a little bit of progress.
I'm sorry, wish I could be more specific, We will be back, and we will make more videos.
Thanks for asking.
/ Axel
How much did you get her for?
Sorry, I'd rather not say. I'd say it was no bargain, but a pretty good deal and the only way I could afford such a big boat. I was looking at boats around 12 meters. She's probably going to cost just under twice what I paid for her before I get her in the water.
I'll try to revisit this subject at some point down the road. Boats are not cheap 😂 Right now I'm heading off to work for a while. Got to pay for sails 😂
Derek here...not my wife. I have been looking at the Schioning Cats; very interested to watch your progress.
My family of 8 cruise full time here in the Caribbean for now, Central America by year’s end, then who knows.
I’m eager to see what equipment you choose for your solar electric drive. Are you going more purist with sails/solar only, or are you backing them up with a portable genset/diesel genset?
We sail a Lagoon 450F 3 cabin. We have no air con, no diesel genset, portable 2kw inverter genny for rainy days, 2.32kw rigid solar, 5 MPPT’s, 800ah @ 12v AGM, and 130l/h A/C watermaker. Adding a washing machine soon...hopefully.
All Victron components for new stuff, and switching out old stuff with them as needed. Their customer service and products are second to none.
Be patient and great luck to you. Where is the build and how many boats have you owned previously?
Hi Derek,
Glad to hear that you find my project interesting!
2.3kW of solar! Impressive. I will start out with 1.6 but a very efficient panel from SunbeamSystem. 15 panels with individual chargers. There will be a gasoline generator onboard, 2 to 6 kW... I will have to see what I can afford. Then a 5kW inverter charger from victron and the battery bank will be 30kWh Tesla modules. I will try to post updates every week, but I also have to work a bit to be able to afford sails 😂 The boat is right now east of Melbourne and I hope to be able to leave the yard by August.
I have only owned a small 20foot sailing dinghy and a couple of kayaks before this boat 😂 But I am a deck officer by profession, so at least I know what the ocean will throw at you.
I also want a washing machine and I intend to install an a/c water maker. As for air-condition, I will consider it. Need a place to install the unit....
Just added a short introductory video on the electrical system. Thought you might be interested. / Axel
Did I hear right? "Four or six tesla cells"? As in the battery packs from 6 tesla cars? Those are a half ton each, and you could probably be perfectly fine with just one. Especially if you think you're going to keep the loaded weight under 6 tons.
😂 6 packs.
But only 6 modules out of a model s. I think they have 15 or 16 modules in a full pack.
Each module is 5 kWh. So I'll have a total of 30kWh of power. Weight is 25 kg per module. So 150 kgs of batteries.
30kWh should be sufficient for some propulsion and not impossible to charge by enough solar. In total, I will have between 2000 to 2500 watts of solar panels.
You heard right, I think I might have been unclear.
Hope to get back to OZ and the boat soon. Hope you will follow along then. Sadly corona is keeping us out of Australia for now.
Let me know if there is anything you are wondering about.
/ Axel
@@buildingwilda Ahhhm that makes a lot more sense then, lol.
I've been researching it pretty heavily over the last several months (thanks covid) and my "plan" (more realistically a dream) is a 14m cat with about 5-7kw of solar, a couple 15kw motors (I like the oceanvolts for their servoprop regeneration).
Based on the numbers I've been looking at, I could replace two 40hp yanmars with saildrives and 400 liters of diesel (about 1100kg total) with the oceanvolt 15s and about 167kwh of battery using the Cleantron batteries that oceanvolt has.
Though, Ultimately, I really want to replace a big chunk of the battery storage with a pair of 5 or 10 kw fuel cells, 25-50 kg of hydrogen storage, and a hydrogen electrolyzer. Basically, shunting any excess power production from the solar, wind and hydro regen into electrolyzing water and storing the hydrogen,
Main issue with that idea (other than it being ridiculously expensive right now, lol) is the weight and size of the hydrogen storage. 1kg of hydrogen is 11.96 m^3 at atmospheric pressure, so must be compressed to 350-700 bar. at 700 bar 1kg is only about 24 liters, but the tank to store that weighs about 25kg. Going larger is more weight efficient, but the tanks gets pretty big (200 liters at 400 bar is already about half a meter by 3 meters) and it becomes difficult to find somewhere to stick them inside the boat.
Anyways, hopefully this covid situation will calm down soon and you can get back to the boat! Looking forward to seeing the progress!
@@FlesHBoX Hi again, that is a substancial system you are describing! And like you say, a rediculously expensive one :)
I like it though! Looks like you have done some studying. What kind of boat are you looking at? Wilda is a 13.6m Wilderness 1340X.
My reasoning is a bit different to what most people think about catamarans and motoring. The main propulsion of Wilda will always be her sails. For that reason I wanted a light and fast boat like the schionnings, that actually sail really well. Even to windward, though it may be uncomfortable.
Design loaded displacement is 6200 kg. She will sail well in light winds and be really fast in moderate conditions. I will rarely need the motors for anything other than maneuvering. Nor will I have the capacity to motor for days on end. Her speed under sail will, in general, allow me to pick a good weather window to avoid both rough and no wind situations. Predictions are getting pretty good for 5, up to 7 days.
In normal motoring conditions I expect to run both motors for max 15 to 20 minutes and even then only bursts of power above 5kW. I hope to be able to motor at about 5 kn using 5kW on one.
Both motors can run 10kW continuous and 15 peak. 30kWh gives 1.5h of continuous 20kW propulsion. With the props I have, I don´t expect high speed, perhaps 8 knots or so... Just guessing. I would love to have the oceanvolt servoprop. I have actually been in contact with them a few times, though never to buy one of their beautiful drives.
I have 1600W of solar now, and I have to say, it isn´t easy to cram in that on the salon roof. Lots of surface area. I will probably fit another 650 to 1000W on the davits. Being concious of weight and having a friend who makes solar panels, I´ll go with high efficiency semi-flexible all around. (SUNBEAMsystems)
I dont intend to run an A/C 24/7, though eventually I think I will install one.... With this in mind I think daily consumption(no a/c) will be around say 5 to 7kWh. My panels should keep up with that in the tropics and also contribute to charging the modules after motoring. I intend to have a couple of gas generators in case I really need to power up quickly for some reason. Gasoline, because the dinghy motor will be a 20 ish hp gasoline one and I only want to have one fuel onboard.
If everything fails, the 20hp will still be able to move 6 tons loaded. I´ll build a suitable mount for that.
I had a look at hydrogen. Really interesting tech.
@@buildingwilda While I don't know for certain, I suspect the Schionnings have a pretty high prismatic coefficient, making them pretty efficient at higher speeds (high Cp increases wetted surface, so hurts efficiency at lower speeds where skin friction is a higher percentage of drag), so reaching the 8.8 knot hull speed for a 13.4m waterline should be pretty easy, but maybe only possible at peak output. But 5 or 6 knots should be easily attainable with around 2kw on one motor since the boat is so light.
I'm a little more of a fan of Tony Grainger's stuff than the Schionning because Grainger's designs are only a little slower than the Schionnings, but have a better load capacity, and since I want to liveaboard, load capacity is a bit more important than top end performance.
And yeah, the idea is to motor as little as possible, but still be able to match the motoring range of diesels. Right now fuel cells are around 50-60% efficient, so we get between 17 and 20 kw per kg of hydrogen. With 30kg this would give an approximate range (at 6 knots) of between 1500 and 1800 miles. This kind of range provides for instances where there is no wind for an extended period of time. It also provides a security net in case something happens to the sails or rigging that might prevent you from sailing. A lot of people will talk about needing motoring range to avoid storms, but motoring away from storms isn't typically a "motoring for hundreds of miles" kind of situation, and I feel like that argument is blown way out of proportion.
The primary idea behind that kind of range is to address the range anxiety that still permeates the sailing community (balance catamarans practically preaches against electric motors for this reason). While I personally want a zero carbon, fully self sufficient boat to live on, I am also driven by wanting to make electric propulsion more attractive to the community as a whole by showing that you can achieve the kinds of range that diesels provide, even if you don't actually *need* it because the boat itself is more efficient.
And ultimately, I feel like for this goal to be successful it would mean invading the charter market. Since the charter market is dominated by "condomarans" that means designing it with more range capability in order to make up for the less impressive sailing ability that comes with the heavier cats with a lower length to beam ratio.
If I had the financial ability to actually do this, I would probably start with a grainger Raku 48 as a sort of test mule to prove the concept, then assuming it works, move forward with a naval architect to design a cat that can compete with the lagoons, leopards and Fountaine Pajots in terms of comfort, but maintain as much hydrodynamic efficiency as possible to keep it sailing better than those cats. Then I would start by marketing it to the charter industry. The individual boats would be more expensive, but by removing the cost of diesel I suspect that could offset the total cost and increase profit for the charter company.
As for solar capacity, using sunpower cells (23% efficiency) and making efficient use of the coachroof area, 5 kw isn't that difficult. 8 420 watt panels on the coachroof and 4 over the davits. If one wanted to go crazy, it would be possible to fit as much as 7kw by building panels from the Sunpower Maxeon 5 cells. Of course, 5 kw is overkill for running your house and charging a reasonable battery bank, but in order for the hydrogen part of the equation to work, you need as much excess power as possible since each kg of hydrogen takes between 50 and 55kw to electrolyze and compress.
@@FlesHBoX I follow your reasoning. I agree with you, in particular if the goal is to, at some point, design a cat for the charter market.
For a liveaboard cruising boat, I hope to make Wilda a truly comfortable liveaboard boat. The payload capacity is not great compared to most other cats of similar size, but removing the diesels from the eqasion adds an additional effect. Much less spares. So in addition to the 300+ kg saved by not carrying 2x150 kg motors and 2-300 liters of fuel you probably save at least another 100kg or so in spares, piping, exhaust, oil and other equipment and tools you suddenly don't need.
So, while still not great compared to most, payload is increased from 2 tons to something in the range of 2,5. That's a decent amount of food, toys and beer 😂
I like the idea of a zero emission boat and would love to go that route entirely. Currently I can't really see a really good alternative to a gasoline outboard for the dinghy.. At least not for how I hope to use it. And not at a reasonable cost.
I have gotten rid of the gas though. Induction cooktop and electric oven is certainly the way to go. I'll run everything 230 on what I think might be a stupidly oversized 5+5kVA parallel inverter system... I think I overdid that bit... 😊
Range under power is still the thing, like you say.. Difficult to achieve on solar alone. But say you recalculate your specs. For single engine quarter throttle or so... How small can you make your battery bank to allow for 12h of motoring plus house loads? If you add boost chargers to the mix, like I have, then you can push more watts for longer, increasing the amount of time you produce usable power from the solar. Perhaps not by much.. But on a large array, it will make at least some difference. Depending on battery voltage, you might need to go for smaller panels. I'm on 48, so the 420w panels output too high voltage. I would ideally have gone with 96V, but that comes with other issues.
I really don't know much about hydrogen generation or how to use it. The process seems, if not really all that complicated, at least a bit involved.. Electrolysis to produce gas to compress and then utilize in a fuel cell. I think a key to designing this boat as a charter cat would be to have a really easy to use automation system handling all of that.
I'm finding it difficult enough to locate a good electric 300bar dive compressor. 😂
I'll probably go with a coltri.
I am looking forward to hearing more about your plans and I hope you get the chance to build it!
The Raku 48 is a beautiful boat. The schionning solitaire might also be an option... I like the farriers as well.
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