S3#41. Portofino 52 - it's HUGE! First Walkthrough....
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- Опубліковано 28 сер 2024
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We are so excited to see our Portofino 52 hull the right way, we make the trip to Dubai to check it out for ourselves!
We are astounded by the size and space inside the boat and reflect on how the shoulder and flared hulls create so much more space and liveability on the boat. Of course, we have experienced these benefits with the 42 foot performance cat that John built so those learnings have been used to improve the benefits of space and comfort while still keeping the boat fast and chic....
So join us, the Barefoot Doctors as we explore the first hull the right way up and even see the shape of the second already taking shape really fast...
Our Patreon option starts from only $3 per week, and will allow our supporters to enjoy live updates, join us for sailing events in Aegean Greece, May 2024. Then in Dubai Jan 2025 (aboard the new Portofino 52) join us for the launching party and test sails!!! We are also offering boat build tours with sailing off Dubai to share the progress of the P52 build and provide whatever sailing or life discussions that YOU want us to provide during all of these events..... It is a very exciting prospect and we have been requested repeatedly to give advice, take folk sailing, teach sailing techniques etc etc.... So here it is!!!
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This is going to be one gorgeous boat - your fellow UA-camr's will be envious!!
Thanks JT, as long as it is as good for us as we expect, we will be VERY happy! Not many people understand how good shallow draft, lifting keels and beachability is, so others are tending to go for the more obvious boats....
When he said "one big seacock" 🤣😂
Great pickup, Jo!!! It certainly is a very big one!!! But if I start quotes sizes, other may take offence or feel inadequate....
I’m so impressed with this build. And Mr. Portofino seam so down to earth and genuine. What a wonderful guy to participate in your videos. Patiently waiting on the next update. Cheers.
Thanks for your kind words, New Brain!
That is a good-looking cat and a very nice walkthrough tour of the bare hull. Just one little thought - I found it odd that the hulls are constructed separately instead of a 1-piece superstructure that included both hulls and the bridge deck being constructed all at the same time. In my opinion, building an aluminum catamaran this way would allow watertight bulkheads made of a solid piece of aluminum reinforced in key areas to traverse the entire beam of the boat making it super strong against flex instead of 2 or 3 sections welded together. Building the hulls and bride deck separately and welding them together, in my opinion, will put a lot of stress on the welds and not on the structural bulkheads that are designed to handle the loads when the hulls twist against each other on the water.
HI Ganzon Guys, thanks for the detailed comment and explanations. The difference between aluminium and fibreglass / carbon / wood is that properly welded aluminium is stronger than a larger sheet and then welding the cross beams and T bars makes it 10x stronger again. As Raffaele also said in this video, welded angles are much stronger than straight edges too.
Like you, I was used to trying to get large sheets to avoid joins when building the other boats but this is not the case in aluminium, I understand... The stress testing of the boat has been calculated and there is almost no flex in the boat from end to end even when the boats whole weight is taken on the far corners. This FEM calculations was shared in a previous episode last year - here is the link:
ua-cam.com/video/nxznxPf3zLk/v-deo.html
Oh thanks for the explanation. That is something new. Excited to see the final boat 😊@@barefootdoctorssailing8567
I think you might just be making the ultimate boat. Congratulations, and best of luck with the rest of the build.
Hi Andrew - glad you see it that way because we are certainly trying too! While everyone has different priorities (level of performance, level of space, top lounge or not / shallow draft / beachable) we think as folk realise the different advantages, a lot more will request or demand those features in other boats and we certainly do hope for the Portofino 52 to be a game changer!
Loving how different the approach is on this boat - you guys are getting me excited! With regards to cans of coke: An empty aluminium can approximately weighs around 15g. That means you'd need roughly 67 cans to have 1kg. Each keel has 2.5 tons of aluminium, and I''ll assume a further 1 ton for the "tunnel", Salon & mast - Therefor Total aluminium mass is about 6 Tons. Giving you about 400, 000 cans of coke :)
400, 000 cans of coke - On it but might take a week ?
Thanks for the comment and guess Robbie! It is an amazing boat with som many unique features...
Interesting, I actually weighed some cans and got to 18g each and total weight of the boat at 7 tonne giving 389,000 cans.
Wow that is an incredible build, can’t wait to see the rest of it. Thanks
More to come, Robert and glad you are enjoying it!!
A rocket driven hilton hotel on the oceon. Itallians can do anything! Congratulations.
Thanks Reinhard! Interesting analogies!
She is taking shape nicely guys . love this cat .
2,250,000 coke cans lol
Thanks for the guts Rick - we will see who is closest! ~Good luck!
Thank you for the reply good to know about carbon noise.
Glad to help Paul.
Im seriously jealous , Love the single sea chest , Less holes in a hull=less worry & that walk around bunk in cat .
Thanks for your support Bill!
The safety elements of this craft are above the top! Watertight bulkheads, easy accessible compartments and superior construction! This isn’t a catamaran, it’s a vault. 😋👏👏 I’m so thrilled you are showing us the “bones” during the construction. I have a greater appreciation for the workmanship and safety components applied during the build process. I’m so excited for you both and the next milestone of connecting the two components to the main structure will be worthy of a celebration 🍾🎉🎊 My guess on the coke cans is 736,000 cans!
Thanks very much (again) Mango!!! We'll see who is closest with the guess / calculation of coke cans!
Hi Mango, as one of the winners of our competition, please can you send me your email address so we can email you the prize.... Send to my email please - jmcintsh@tpg.com.au
Fantastic yacht! I am so excited seeing the progress. I am estimating 500,000 cans of coke is equal to the aluminum used in the 52.
Thanks Kirk! We will see who is closest!
Extremely impressed. The interior is more spacious than I imagined it would be. For me, your boat is the most exciting build I've seen so far on YT. There are many nice boat projects underway but none is as interesting or has me as anxious to see finished as your Portofino 52. The more I view its progress, the more I like the company and the philosophy of aluminum as a construction material.
Regarding the amount of Coke cans, I say 500,000.
Thanks for the estimate and for the kind words, James! Glad we are hitting the spot and what we are sharing is interesting - as otherwise, we would be wasting our time... It is that philosophy of Portofino that we checked and double checked as we looked at different options but his features and practical approach to designing to make the maintenance easy was SO refreshing!!!
Can´t wait to next weekend 😊
Thanks Jimmy! Glad you are enjoying the journey!
Love the planing and execution from the small/big details!! Great job.
Thanks again Juergen!
I'm so excited on your behalf. Can't wait to see you sail it. John looks great in that leather bad boy jacket.
Btw, you'd think a business would want to make sure that the customers they screw are not famous UA-camrs.
LOL - thanks for elevating us to "famous UA-camrs"! And thanks for thinking ! look great in that leather. Behind every successful man is a wonderful woman - Eli chose it for me in Morocco!
Wow❤
:)))
Nice.
Some suggestions:
1) Heat Pump for efficient long lasting cooling and heating, including for hot water
2) Make those lifting centerboards easily detachable should they become bent and unable to fold away
3) Diesel is a dependency that can be obviated with wind and solar but if you must a small generator is all you should need.
Good luck.
Thanks for the tips, G!
1 - interesting, will discuss with Raffa but he is using a heat exchanger for heating and drying wet clothes in the wet room.
2. Yes it will be easily removable ....
3. Wind is low quantities of power , solar is great and we are hoping for water regen due to our good boat speed without having to use high emission engines like the old style Beta engines that HH use...
I like what I see . . . and the catamaran as well.
Haha cheeky!!😂
So exciting! Looks fantastic!
It is! Thanks for commenting and glad to have you along with us...
Interesting on hull design
Thanks RB - yes it is interesting but surprising few designers use this process and hence the majority of performance catamarans have minimal space....
I do enjoy your build video, ,T hat is One Flash Canoe, , liked his comment aluminum is forever
Thanks Digger!
Real nice welds.
They are - thanks for the comments!
Amazing. I’m so impressed and happy that you are getting such a well thought out boat. It feels like a 62 in size.
Us too! Thanks for the feedback and for following us Vargas.
589280.00 coke cans. I am so excited for this boat to be done I can imagine how you all feel. So it won't actually be done till sometime in 2025? Oh my goodness that seems like such a long time I'm so happy for both of you You have such a beautiful sweet spirit about you people who are able to surround their self around you or surely blessed. God bless stay safe and take care
Thanks Kris! Another very detailed number and we will see who is closest (and `I'd better double check my maths too!!!)
Balance 442 Has a ventilation hatch on the inside of the hull in the bedrooms so these can be open even when it's raining. Maybe that's something you should have too? I'm so looking forward to getting further with your catamaran. Maybe in 3-6 months it will start to be good fun I think. I had hoped to finally find out the cause of the fire today. I have been so curious about this for a long time now.
Hi Magnus, thanks for following and we hope to have the fire video out in 2 weeks....
PS love to see a finished 47 if you get a chance to do a walk through
Yes we will be showing that one too - both in the process and when launched in July next year. Thanks for following!
I know you guys will be glad to get it finished. Happy for you. 👍
Hi Billy - we are again honoured with you sharing your words!!! Thanks very much and thanks very much for your unfailing support every episode!
I'd say 250.000 coca cola cans per hull... :-) What a beautiful boatr you're making!
Thanks Maarten and we'll share the winner of the estimate next week....
Looking good !
Thanks Carlos!
@@barefootdoctorssailing8567 For aluminum boat she is built very strong. A bit more heavy than other designs but that is the trade off. In my opinion it is worth the extra weight.
Still a long way to go.
Yes it is Ahmin but it gets more detailed and complex as the build gets to the end....
Im a merchant marine and repairman. One thing i notised in sail boat builders is that draining fueltanks seams not inportant. In an engineroom the dayly rutine is draining water from fueltanks. This prevents clogging in filters and emergency stopps. Plastic or alu or steel tanks all have breathing pipes and the humidity is an ongoing thing.
There are nice boll and kirsh filters self cleaning to run safely ...
Best from sailorbear :)
Hi Bjorn, thanks for your comment and advice. We have not reported on the other feature that Raffaele is putting in all the Portofinos is an automatic fuel polishing system to whenever the engine is running, the fuel in the tanks will be pumps separately through a fuel polishing tank so the cleaning and separation of water / dirt / algae is done automatically all the time.... I presume this will cover the issue you are describing - please let me know if I've missed the point...
@@barefootdoctorssailing8567 filtering before fuel going in to the engine is good. But moisture ( water) is heavyer than diesel so it will collect in the tankbottom. To prevent too much water a lowest point in the fueltank could be a drain. In mearcant vessels this drain sludge goes in a sludge tank. But the priciple is the same. A fuel polishing could be a suction from tankbottom and the problem is solved. But some drainage must and probably to a spill tank. Otherwise if suction side is not at lowes point in fueltank the amount of water is still there . And uncertain reading reamining fuel could be missguided because the water is at bottom in the fueltank.
Best to you from the seabear :)
16 million cases 😊
Wow - I think you are now the largest number out there! We will see how is the closest...
So exciting. I can’t wait for the next installment. 👍🏻👏
Thanks for comment and supporting us, Barry! It is an exciting journey...
SOOO Cool!.... Good idea to do video on hull shape and having superior performanc while having substantial buoyancy above the hull "fineness" at water line...(plus all benefits for interior space usasage!!!!
Yes it is a great technique in the design that most of the "performance" boats don't have - HH, Outremer, Gunboat, Garcia etc.... In the naval design world, they are mostly stuck on the principle of "low volume = faster" but then it has no liveability....
Looking amazing, congratulations!
Thank you, Jero!
Roughly 15 000?!
Prize a Portofino 52 or a Harrier jump jet?! (Remember Pepsi VS John Leonard)
Perfect boat. I’m sure you’re itching to get going
We sure are!!! Thanks for the guess - bit low - it's 725K
Coke can guess: 987654,321 cans exacrly! So just under one million cans.
With an aluminium boat, I would be terrified by galvanic corrosion in hard to inspect places.
All boats have their issues; Aluminium has the galvanic issue of course, as does steel; Fibreglass has osmosis and del animation issues as well as less strength in certain areas depending on build; Carbon is the same as fibreglass depending on quality of build/workmanship etc. All of these issues are well known and documented. They are easily controlled and managed with appropriate measures and knowledge by both Owner/s and manufacturers. So they are not really an issue in today's world. As long as you don't do anything silly like drop a bag of small lead balls into the hull you should have no problems.
Thanks for the guess and we will have an active monitor on the boat checking for current that would arise if any electrolysis was happening... The technology is now very good!
Thanks Garth!
Looks amazing and well thought out, you and the builders really know what you're doing! I'm still concerned with the Aluminum corrosion in saltwater, I remember you talking about doing an episode or talking about it but I may have missed it.
Hi Michael, we have mentioned electrolysis in an earlier episode but will probably do a whole episode on it when we get to installing the gear that measures the current flow from the hulls so folk can understand how it works.... Quite a lot later though - late next year...
My guess is 55.250 😅 thanks for the tour 😊
Thanks for the estimate - we will share our calculation in the next video...
Exciting times! and it's all looking great!
I listened to your hull design explanation intently as I've been "pondering" this with my own design.
There's a lot in hull design and for different reasons of which all are valid.
However with modern high performance multihulls does the old technology still hold true or valid?
Historically if a catamaran did 10 knots that was impressive, today that's basically not worth even mentioning cos it's so expected.
With the advent of lighter construction, lighter and better mast and rigging, huge advances in sail technologies. One wonders if true high performance catamarans remain displacement type hulls or could be in fact now becoming planing type hulls with speeds quite often over 15-18 knots.
It really is something to seriously consider for true high performance multihulls.
Yes, you are right in that the variations in speeds achieved are dramatically different and the formulae that are used do not take into account the ease of the boat lifting itself out the water and getting past the hull speed without planing like a motorboat. I believe that the relatively poor performance of the polars on the Outremers is because it does not lift itself out the water easily at lower speeds.... It takes a different hull shape to do this and we believe we will have it on the P52 - but we have to do the sea trials to see exactly what she will do...
@@barefootdoctorssailing8567 Fun times ahead 😃😃
1. What a beautiful and practical design (I want to order one myself - but cannot afford it - dream on laddie) 2. The layout sounds like it is an easy craft to operate. Did I mention I want one and 3. When is it due to splash?
Thanks Neville for the nice comments and splash date Xmas next year....
Some assumptions required but here goes. An empty coke weighs .5 oz but is only 26.6% aluminum (ref ALUMINUM CAN LIFE CYCLE
ASSESSMENT REPORT OVERVIEW) so the aluminum in the can weighs .133 oz. You can therefore get 120.300752 cans in a pound of aluminum. A hull weighs 2 1/2 tons or 5000 pounds so you can get 601,503.759 cans per hull. Assuming the central portion of the cat is equal to a hull in weight, then the entire cat in cans is 601,503.759 * 3 or 1,804,511.28 cans. Thanks for this puzzle I enjoyed it as I do your channel. Good luck with your new vessel.
Dear Richard, thanks for the detailed breakdown of the calculations and gold you like the channel! We will reveal our calculations and see who is the closest. However you probably need to win a prize for the detail around % of AL in the can!
Hi Richard,Congrats!!! Hopefully you have seen the next episode where we announced that you have won the prize for the most effort and detail in investigating the Portofino 52 into Coke Cans comp. Please send us your email address to jmcintsh@tpg.com.au so we can email you back the prize!!!
Just thinkit was just a bit sgo you were on your McGregor ❤️
LOL - so true!!! The Macgregor was spacious for it's length but you could fit two Macgregors in each Portofino hull!!!
@@barefootdoctorssailing8567 I'm happy your fitting into your nitch mean while I'm on a 22fy Catalina and it's fun
Great to see your enthusiasm on the new Portofino. As the marine engineer obviously knows about boats and aluminium, I think I want to marry her. Would that be OK with Mr. Portofino, you think? Also if I promise that it won't affect your new build?!😉
:)
❤❤❤
Thanks guys!!! We'll be home for early Dec and see you at our place!
first ?? I was never good at maths but now near enough is good enough - respect my truths
:)
100 millions
Thanks for that, Jack - you certainly are the largest so far but we will see who is closest in the end.
About a 100 million cans, but don't try and crush them with ur bare hands because u won't be able to.🤣😂 I really like that top u were wearing Eli, very nice. We owned a wool shop in Nowra and my mum created the most lovely, knitted clothing. Oh I'm so excited, can u tell me what colour the hulls and decks are going to be please. Where will Exp Barefoot be launched, so I can start saving up for my plane fares and accommodation, because I'm going to be there, even if it kills me. Can u direct me to the episode where I can see the full plans of our 52, so I can decide what cabin I'll be using. 😲 Luv ya both. 😙
Thanks Karlene, yes I thought Eli looked lovely in that outfit too! Launch date Jan2025 (expected). The port hull has the guest cabins so the quick flash of that in this episode will give you the cabin options....
This is going to be a fun boat ‼️ See you next time.✨ 🌊 💨 ⛵️ 🏝️ 👙 🌞 ✨
Thanks for your support Joe and we certainly hope so too!
I bet for 520.000 cans, btw great video , looking foward how it will get
Thanks Romulus!
after all you both have been through the past couple years I'm certain the travel woe's were nothing. Great to see you're both smiling.
As for the Coke cans, NONE Coke cans are made from aluminum alloy 3004.
Your Portofino is most likely being made out of 6061, which is a bit of an upgrade. That answers only if you want to be technical about it.
Given that a Coke can weighs 15 grams and there are 453.6 grams in a pound 2000 pounds per ton, 2.5 tonnes per hull, 2 hulls, I'm going to guess about 302,400 Coke cans could be made from the hull of your Portofino. Of course, I figured that from American Standard so there's plenty room for error :)
Great info Recgar, and thanks for the support! You're on the right track with 14-15g/ can and the weight of AL in the boat when finished is 10.500kg.
Hi John and Eli, I was going to wait to see you next week to ask some questions, but I decided I couldn't wait. I noticed in the renders that the sugar scoops did not seem to have a drain prior to the location of the rear doors to the diving and WC area of the owners hull. Is there a drain for backwash over the sugar scoops? How do they manage any over flow there? Or is the door track the only egress of water back down into the bilge? Does it drain into the engine compartment? Is there an oversized drain under the door track area with a hose that then funnels the water down to the bilge? You can wait till next week to discuss if you wish. I realise you guys must be busy traveling back and forth. Will Eli stick with the colour schemes in the renders?
It's looking good. Given that hull #1 was 2.5 tonnes, A quick calculation of mine indicated somewhere in the vicinity of 345,000 cans. My actual figures were less, but I added more because it wasn't specified how much AL is used to join the two hulls (including plates and welding) and then the removal of the temporary stays they have in both hulls currently. This is not allowing for rudders and centreboards/mechanisms etc.- just as it at todays viewing! 🤞
Catch you next week. I hope you were able to watch my brother Graeme's last video on Prophesy Trimaran. Have a great sail with Graeme. Fair 💨's and following 🌊's!
Thanks Garth and we were aiming to wait till you could come up to be there for the sail....
Looks awesome - the only thing that jumps at me is the displacement volume, it seems small for a boat this size, granted this one will be lighter than say a lagoon. With all the awesome features immediately above the water line, wonder if it makes sense to double check the displacement vs weight calculations as a late correction will be exceptionally painful. Good luck, love how it looks and even more all the clever features that are going into it, seems like it will be well beyond the youtube wave of cat upgrades.
Thanks Mickey! The boats displacement is 16.5 tonnes with several tonnes of carrying capacity. The narrow hulls are calculated to cope with that displacement and the architects have checked th figures and run the performance data on the loaded boat too.
Yes the features on this boat do go far beyond the "usual" features on production and performance cats! We were so impressed when we discussed all the features with Raffaele and he was able to add the extra features that we wanted too...
The boat is coming along nicely. That aluminum is pretty good. I cannot wait to see the finished boat. When will it be done and splashed (approx)?
Thanks Ray for your kind words and splash day Dec 24/ jan25...
Each hull is 160,000 cans (320,000 for both hulls) plus the connecting superstructure - which we do not know the weight in aluminium - but lets say - 480,000 for entire boat
Nice Daddy! We will see....
Rectangular windows with sharp corners may not be the best solution for an aluminium hull. The de Haviland Comet demonstrated that problem in spectacular fashion, back in the early fifties. Would rounded corners provide a better solution?
Thanks David for that insight. Hopefully the difference is that the aluminium hull is much stronger than the thin plane aluminium and the windows are not under the extreme stress that the plane windows are under. There will also be a strip of silicone to buffer minor movements while in a plane they are bolted on tight, I believe. But if they break, you will be the first to know!!!
At 7:50 into this video you show where the waterline at the stern will be. Only a few inches above this is a large horizontal flat area; the bottom of the stern scoop. Won't this flat area slap and pound the surface of the water when the boat pitches in waves? It appears to be so low that even at anchor it could be slapping the surface. Many designs intentionally drag (submerge) the lower part of the transom to prevent the stern from lifting clear of the water's surface and then slapping when it comes back down, even though this increases drag at slow speeds. The small transom on the canoe body is shown to be half submerged, but just above it is the flat that will normally be just a few inches above the water. I have observed that even quite small horizontal flat areas being slapped by waves at anchor can make an annoying amount of noise.
Hi Jack and you are quite right! We also get a lot of slapping in the Leopard 45 because the stern slopes upwards and is a large flat area that slaps with any waves from the rear (reflections off harbour walls or waves coming from the opposite direction to the wind at anchor.) We have raised this question with the designers and they do not think it will be an issue.... We will see and we can always extend the hull shape out to the end as is the norm if we need to...
Good afternoon I'm Paul from Canada but in Mexico right now. I really enjoy watching your video's you guy's do a great job. I have been looking into catermarans and loved your leopards but looking at your new one it appears to have more room in the hauls. I Have one question being that it is aluminum will it be a lot noisier with water slapping on the hauls. Looking forward to seeing you on your new boat
Hi Paul, thanks for the good question and at this stage we are not sure but we understand that the insulation that is used on the aluminium boats for heat and cold protection also significantly dampens the water noise. So we expect that the water noise will be less with aluminium than GRP fibreglass and it definitely is much less than carbon that is a high magnifier or noise which echoes through the whole hull.... But we will see when she is launched!
Here is my 'Lucky' guess 777,777 coke cans for 2 hulls. I really like the concept to expand above the waterline to increase the livable area and preserve the performance simultaneously. Are you using an insulation or something like closed cell foam inside the hull to dampen noise and insulate heat transfers in/out of the boat?
Thanks Jim for the guess kind words, and yes we are using insulation around the boat and in the engine rooms for heat and sound insulation.... Closed cell obviously...
Looking good so far, no better way to go than aluminum for safety for sure. I'll say 1 million cans for a finished vessel
Thanks Jeffrey for your kind words! We'll see who gets closest to the coke can number too....
I guess 617, 384 /coke cans!
Another very EXACT number.... Thanks very much!
Coke cans: 671 thousand (671 000) if the Aluminium in the boat weighs 10 tons.
Thanks JCKR - nice of you to give us the logic too! We will see who is the closest....
58928 coke cans per ton of aluminum. The hulls are 2.5 tons each. Figure around 300k Coke cans.
Thanks for the guess and the support!
You haven’t told us how much this amazing boat is going to cost. Can you share please?
Hi Jamie, yes the price is in earlier episodes and it is around $16-1.9M depending on what options we get on top eg carbon mast and boom Furler...
Do you plan on spending any time at a marina as a liveaboard in the US. Where do you typically sail during hurricane season? Love your Chanel & your Beautiful Cat!
1,800,000 cans of coke 😉👍
Thanks for your comments and support! If we were staying in the US for the hurricane season it would need to be up at Annapolis or higher with the alternative being low down around Grenada...
Our guess is 111,607 Coke cans!😊🥤
Thanks Jane - winner will be announced next week!
2.5 t of aluminum is 175000 cans aprox.
there are two hulls and the join metal bits in-between + welds.
Thanks for the guess Palandors! Yes there are the two hull plus the extra for the decks, rudders and mast....
Then we will be close with half a million cans if the 2.5t was for one hull side alone ;) And yes the boat is BIG!@@barefootdoctorssailing8567
You're right. I may have to revise my estimate and let you know next week, Ha Ha ha.
@@barefootdoctorssailing8567
Changed my mind 610,000
No worries! Good luck!
Boat looks great - will you be able to dry out on sand ? Did the insurance company pay out yet and at what percentage of you old 50 boat Cost did they cough up?
Yes wrt beachability (it can beach) - that and shallow draft was one of my critical criteria. We will be releasing a video shortly about the fire and insurance - in a week or so...
According to ABC Australia.
Aluminium Can Facts
An aluminium can weighs just 15 grams which is equivalent to three candy coated
chocolate buttons.
The walls of an aluminium can are just 0.11mm thick - about the diameter of an
average human hair.
Australians use more than three billion aluminium cans per year.
The energy required to produce one aluminium can is the same as the amount of
energy used to recycle 20 aluminium cans. That’s because aluminium has to be
extracted from the bauxite which requires huge amounts of energy.
One tonne of recycled cans saves five tonnes of bauxite.
So, the answer for the 2 hulls only, is 151,333 cans.
To ship these cans requires 19.45 pallets, with dims of
56" x 44" x 102" each containing 7,780 cans . A tractor trailer load is 22 pallets.
Wow! Very interesting Guenther - amazing facts!
@@barefootdoctorssailing8567 How about aluminum foil. That averages 3.8 grams per sq. Ft. So the 2 hulls would take
1,428,571 sq. ft. Of aluminum foil.
12 milion
Thanks for the guess - 725K
strong boat per hull you will use 142.320 cans thats lot of cans lol
Thanks Matthew for the estimate and winner will be announced next week....
818,552 regular size Coke cans. (Plus or minus 3 cans) . LOL
Wow AYTEN - "Plus or minus only 3"!!!! You are very confident!!!!
Years of watching "Price is Right" on TV.😁@@barefootdoctorssailing8567
is this turning out bigger inside than you first thought?
No Laurie, but we made significant changes to create the extra space and it certainly seems to have worked out!
I guess 412,880 coke cans could be made from your lovely boat. Tom
ThanksTom, we will see who gets the closest...
When will she be ready to sail?
Hi Coyote - launch date Jan 2025 (but `I like to think of it as Dec next year as that feels closer!
Thank you for what you have shared. One question? Shaft drives or Sail drives?
Hi Randall, thanks for the question and definitely shafts - so many benefits....
How about you create an information hub for people who have just been diagnosed with a condition. The point being that if a patient wants to know all their options , it is their responsibility to discover what they are. Each specialist will only suggest options that they specialize in. My experience is with prostate cancer.
Hi Giter, yes you describe a common problem, and not just with serious illnesses. A surgeon will usually advise an operation, a physician will usually use medications first, a radio therapist X-rays and counsellors will always use the processes they know too...
There are some regions that have information websites like your describe (eg Mackay) but it takes a lot of energy and cost and is usually a health authority process that is motivated. GPs are usually the unbiased info sources that can direct folk or give an unbiased view but the developments in some fields is fast and GPs don"t know all the new developments in every area... Hope things a progressing better for you now.
341000 coca cola cans (7,5T Aluminium/22g per can)
Thanks - exact answer in the next episode, Andreas!
@@barefootdoctorssailing8567 and when is the splashing party going to be!?
1.2 million coke cans 😊
Thanks Croydon - you're in the comp....
Looks good dudes. Just wondering if black water tanks are integral? Have seen an alum. boat with severe corrosion in integral tanks.
Hi Old Dude", please can you give us more detail about this because many ships and high end boats (Ferrittis I think) use integral black water tanks and I heard another comment saying back water can corrode. What is the cause and how severe is it?
@barefootdoctorssailing8567 The boat I saw was severely corroded. Nearly sunk. The boat was only 10 years old. Think I'd be looking at a rotomoulded plastic option if possible.
Thanks - we will check it out...
@@barefootdoctorssailing8567 If the tube (pipe) that extends down into the tank from the top to slurp out the contents when pumping out is a different metal than the tank (hull) then galvanic corrosion could occur, just like outside the boat in the sea water. Insulating the tube and any parts of a level sensor gauge or having them be plastic instead of metal would help. If you put a sacrificial zinc anode inside the tank, near the bottom so it's submerged even when the tank is almost empty, you could check it through the cleanout/inspection port and see if corrosion is happening. Checking this would be a yucky job, but since the zinc will corrode before the aluminum, you wouldn't have to check the whole inside surface of the tank. If the zinc is OK then the tank walls should be good.
There is a coating (like paint) called Kreem that is used to protect the inside of metal fuel tanks. In steel tanks it stops water that has sunken to the bottom, under the fuel, from rusting through the tank. A coating similar to this, maybe soft, rubbery epoxy, could be applied inside the tank. This would insulate it electrically.
Using the hull as the walls of the tanks seems like a great idea as long as you can prevent corrosion. Having no problems with broken mounts or tanks moving around in rough seas is a good thing. A full tank is very heavy and can apply a lot of force to it's mounts in storm conditions. Integral tanks avoid a lot of mechanical problems as long as you can keep the chemical/electrical ones under control.
@@jackwickman2403 Thanks very much to both of you for this information. Certainly the sensors if metal will be insulated from the aluminium where they attach. I expect the pipes into the tanks and around the boat to be aluminium or plastic and I will check with Raffaele and visually as the building progresses. I have asked the questions about integral aluminium tanks in boats for waste, fuel and water and several of the big brands do it successfully (like Rita, Ferrreti etc) so there are solutions to preventing the corrosion and Raffaele knows the risks and things to avoid... We will check on all those fine details and thanks very much for the insights!
160,000 coke cans 🙂
Thanks Steve....
You can make 20,500.00 cans.
Good guess (as we did not disclose the actual weight of the finished boat). However the final weight of AL is 10.5tonnes and that would make around 700,000 cans at 15-20g/can. See episode S3#42 for the full explanation!
161,997 cans given 14 grams per empty coke can and 2.5 tons weight as given in video.
Thanks Thomas - winner to be revealed next episode...
14.5 is one can (14 to 15 grams) the boat will be 8t which is. 0.551724 milion cans.
I wonder what part is calculated as superstruc.
Thanks for the guess - interesting stuff, isn't it?
@@barefootdoctorssailing8567 indeed.. good funn 2
I'm guessing around 1 million coca cola cans, so let's say 950,000?
Great estimate Michal, - we will share the best guess next episode...
Hey I'm curious as to the final weight of the vessel. Size of engines?
Hi Pat, light weight is expected to be 16.5T and we are having 2x80hp Yanmars that are only about 20kg heavier than the smaller ones.
@@barefootdoctorssailing8567 The 47 foot Brady came in at 13.5 t so you're not doing too bad with the weight and he had two 80 hp Kabota's that would push it to 12 knots flat stick.
How can you afford this?
Many decades of hard work and multiple irons in the fire, some of which paid off and many did not!!!
323,000 coke cans
Thanks Limerick!- we will see who is closest.... Just to confirm that it is the aluminium from the whole boat and not just the one hull? Second calculations are allowed!
probably around 100 000 cans worth of alu in your boat?
Thanks Pred - winner announced next week...
500,000 coke cans.
Thanks, TONY!
I’m going with 170,000 cans
THANKS!
450,000 coke cans.
Thanks for the contribution Nick! Winner announced next week...
One hull weighs 2,500 kg or 2,500x 1000 gr = 2,500,000 gr. asuming no other material counted A coca cola can weigh 14 gr, meaning you could have bought 178,571 cola cans leaving material for 0.4 can as waste.
Very exact calculation - thanks Walter and we will share our calculation and the winner later...
I get it to be 178,561... allowing for residual sugar content in the can, or 178,581 if new cams🥴🤣
I would guess about 1,100,000 cokes cans could be made from your boat.?????
Thanks Roger - we will see who gets to the the closest calculation in the next video...
3 million 600 thousand coke cans
Thanks Somas - answer in the next episode... Thanks for the comment!
With the weight of the cat you can make approximately 725,748 mil coke cans...lol
:) Thanks - we will see who gets the closest...
Hi Daniel, Congrats on winning the competition Coke Can with your answer in the exact range! Please can you send me your email address so we can send you your prize - jmcintsh@tpg.com.au
How many cans of coke ,758400 cans
Thanks Luca, we will see who gets the closest...