Hoisting a 120 Kg Cradle Box On Top of Our 50ft hull - Ep. 392 RAN Sailing
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We are a Swedish family who have sailed the world since 2016 while sharing the adventures here on KZread. While we are still sailing, our main focus now a days is building RAN III, a 50 ft sailboat that we are building from scratch. We post a new episode every Friday so make sure to subscribe and hit the bell to be the first to know when there is a new episode!
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Love,
Malin, Johan & Vera
Пікірлер: 287
This series should be a masterplan for boat builders around the world and will be a ‘how to’ tutorial for many years to come. Johan, the carpenter, engineer, architect is beyond amazing in his approach to this project.
@hurri7720
Ай бұрын
I fully agree but it's interesting how jndeed "there are many ways to skin a cat". And I am thinking about "Arctic Sea Camel" ön building a similar sized yacht also on youtube now.
@ArcticSeaCamel
Ай бұрын
I prefer both. ❤
@Tillersweep
Ай бұрын
On the fly. Hmph.
@santyclause8034
Ай бұрын
I was thinking the same as O.P. but would simply characterise Johan as a master Shipwright.
@Ivansgarage
Ай бұрын
Yes a master plan on what not to do, guess you have never watched other boat builders, Yaba.... wheels will never work, long beams should of been place under the original frame on the ground and the hull dragged outside.... then a crane or two could have lifted and rolled the hull....
In a zombie apocalypse, I want to be in Johan’s survivor group. Just another way to say how amazing his abilities as a builder, engineer and problem-solver are to see. Congratulations, Vera, on learning to ride a two-wheeler. That’s a great accomplishment, too.
What a team! Well done!! Tally Ho just launched after 6+ years. Looking forward to the day this boat does as well 👍
@studiorosenforsintl.3434
Ай бұрын
and she was ready 2 years early! ;-)
I should have said this long ago. Malin does a great job of editing these videos.
Congratulations to Vera for learning to ride her bike. 🚴♀️👏 Watching the two of you work together is like watching a well-oiled machine, smooth as silk. Thanks for sharing.
Remarkable engineering based on sound planning, knowledge and experience. Whew! 🙂
Cheers to Vera on her bicycle and skills!!! Also to the master carpenter and his amazing crew, .🎉.BRAVO
Sweden's A Team achieves another milestone, well done. Getting that big box raised, rolled and into position using only chain falls was impressive. can't wait for the turning of the boat
I am so in awe of your work. You are doing a fantastic job. Well done, both of you, and well done to Vera learning to ride her bike...
Juhan - years in the future you’ll look back at this building and say “how didn’t do that!”- I know I have !
Hard to believe you lifted the whole support box with just 2 people. You are amazing, and Vera is your little helper. Congrats to her for learning to ride the two wheeler!
Amazing! I think we all knew Johan (spelling?) was a master navigator and sailor, a mechanic, carpenter, awesome dad, extremely hard worker. Not until this video did I realize quite the extent of his giant talent and knowledge. Master engineer/designer and rigger. I can't believe they got that big box on top of that hull with that rig! Also: when I saw Vera on that bike it hit me that we are watching her grow up in total parallel to the boat growing in that barn, it really hit me, brought tears to my eyes, yes it did! This is definitely up there with Sampson Boat Co., these are the two greatest sites I know of.... Truly inspiring! THANK YOU BOTH!
@bayanicustodio3998
Ай бұрын
Do not forget, he is also known as the sailing Swedish chef. 😉
@richardboyden5553
Ай бұрын
@@bayanicustodio3998 I'm hearing this for the first time! Thanks for sharing!
I love seeing Vera helping in the barn, now that the work with dangerous materials is over! Congrats to Vera for learning to ride a bike, too!
Yay, Well done Vera for learning to ride your bike. Great job on the boxes and fitting. :)
Bravo, such a remarkable feat for two people,,, your support boxes look plenty strong and Vera is growing fast, sucha cutie....Blessings to you and family and boat,,, contently watching great workmanship and engineering well done..👍⛵👍 🛠
I have been watching for quite some time and I am so impressed. I don't know if you are a nautical engineer or a carpenter or a designer --but whatever you and your wife are-I want you on the island with me when we get stranded--I will survive absolutely!
I noticed in your introduction for the video today, you refer to yourselves as a "Swedish couple". I would like to point out, with the addition of your daughter Vera, you have become a "Swedish family!" While my interest in your sailing travels may have brought me to your KZread channel originally, Vera has certainly earned herself a spot on the "marquis sign." I'm absolutely enjoying the boat build, but getting to watch Vera growing up in your videos is a huge bonus in my eyes. Thank you Mom and Dad for allowing us the pleasure of watching your family grow!
@seanlathbury5410
Ай бұрын
😊
@seanlathbury5410
Ай бұрын
Have you considered sheet aluminum sandwiched between the plywood? It is ridiculously strong.
@leonlevstik
Ай бұрын
How about adding 3rd wheel in the middle that can rotate in any direction? I mean under bigger cradle.
@mmacas7411
Ай бұрын
Amazing the problem solving that is needed during this build! 😊
@landahoy5217
Ай бұрын
I will never understand why a very small percentage of people have the need to point out the obvious. Does it make them feel good about themselves or important or ????
Once you have it flipped and back in place, maybe some closely conforming boxes underneath and filled with expanding foam. That will help keep the hull from deforming.
I like when they speak Swedish with subtitles, same with the Fins on Alluring Arctic - more authentic.
Consider adding thin steel sheet to the bottom of the cradles, it will radically improve rigidity as steel will take all tension stresses. The sheet needs to be fastened at the sides so it can handle the load. Also you can fill the gaps between the beams with foam to make a strong, solid beam.
@d.j.vanderschoot3717
Ай бұрын
Concur. A steel sheet at the bottom, properly fastened to the sides should work best to stiffen en strengthen the cradle. I'm mostly worried about stress at about 1/4 from the ends or so, where the cradle loses contact with the hull. In this case, with the hull in close contact with the cradle, the hull itself stiffens the cradle. There are cradles with no inherent stiffness that derive all their form stability from the boat's hull. They are called slings ;) Basically you make a sling with wheels. As long as the thinnest bit of the cradle can take the horizontal tension exerted by the hull (squeezing out the sides of the cradle), then you should be good. The steel plates can take the majority of that horizontal tension load.
@user-rg2cs6sw9o
Ай бұрын
Also concur. Think about composition floor joists. All the strength is in the top and bottom beams. The top in compression, the bottom in tension. The web in the middle really just holds the top and bottom apart. In this case the middle beams also add needed rigidity. Beautiful work. Love your channel.
Amazing work Johan, you have a brain like a computer, so much forethought and accuracy. Congratulations.
Den satt som en smäck! 👍 Bra jobbat som vanligt!
Would you consider making a fibreglass mould of the hull at the sections where the boxes will be located? That way you could be sure of the fit to the hull and also spread the load on the box more than the thin plywood. Important when the full weight of the boat will be resting on these areas as the boat is completed over the coming years. I think the pulley arrangement to hoist and manoever the cradle was simple and efficient.
Rolling the boat over will be exciting! We build ours right way up mainly braise we found it to counting project in our shed but you guys definitely have it covered!
You 2 are nothing short of Amazing with your boat build! Your underside boxes are Perfection! It must be very exciting to begin the flipping process!! You are doing a Splendid job building your Dreamboat!!🎉.....And Vera is growing so fast! She's Gorgeous and a big help!! I Loved seeing her Happy Dance on her solo bike ride!! You are a Lovely Family "going places"! We enjoy your videos, they are interesting to watch and professionally orchestrated! Bravo!!❤❤❤
you are a master craftsman.
Once the boat is done with the cradle you'll have a fine portable skate ramp.
Absolutely brilliant, this build is amazing. You three are lovely to watch. 👍🏻👍🏻👍🏻❤️
You guys are my favourite Swedes followed closely by Elize Ryd. Looking forward to the big flipover.
@michaelwilliams5234
Ай бұрын
You three are the only Swedes I know! And it is indeed a pleasure to see your posts. Thanks for being here!
Fantastic episode! Award worthy job documenting this amazing step. Good job Vera with riding bicycle .
Thank you RAN...
👍👍👍VERA is grown up quick
Beautiful workmanship!
Perfect job greet from Holland.
Holy Moly!!! Vera is growing like a weed!!!! It seems like just yesterday you shared the news if your pregnancy. Time sure does fly. Ran III is growing too. Before you know it she'll splash and carry you off to far away lands and adventures. Can't wait!!!
Of course the shoe fitted perfectly... Who expected anything less...
Wow, Johan and Malin, you both continue to amaze these old timers in your abilities , endurance and especially technical abiliti3s at such a young age! Johan can you tell us a bit about your background in schooling, engineering and wood working work experience? Your parents backgrounds as well if they helped either of you? FWCS ⛵️
Congratulations to Vera for learning to ride a bicycle. It is one of those milestones that makes life more enjoyable. The boat project is looking good.
For the wider stern box, placing additional wheels closer to the centerline will reduce the bending moment greatly. Wheels outboard will ensure adequate stability against tipping
Remind me please Dear builders, on which planet takes this place... It cannot be on earth because it looks to perfect, to amazing, beyond normal building video''s... Love to watch it every week.. Many thanks for sharing and i wish you much succes with the building and oustanding editing.
That cradle turned out perfectly
Cabinet makers are so precise. Amazing work Johan!
You guys are amazing in what you have accomplished with this build and well done Vera on the bike riding cheers from Australia
The engineering you accomplish together is remarkable.
Excellent work! It will be fascinating to see it in action as you turn it!
Amazing progress seems like yesterday you were out buying more cedar ! Team work what a family !
Alltså, jäklar i havet! Det var imponerande.
Great job there! It very helpful to see all the phases done and learn from there! 😇 Cheers!
Nice to see all the plastic sheeting gone. What a massive job that was!
Thanks!
Love watching the two of you work together. You made hoisting that box look easy!
Just l as though you knew what you were doing ! 😂 Seriously impressed by your capabilities. 😊
You truly are a master craftsman.
Really friggin amazing so far. Excellent fit. What a craftsman!!!!
I would ask you to think about angle iron for the sides of the carrier. The flat steel can flex one way very well and the angled would resist a bit better......... just a thought........... enjoy
Great mother what a great job!
As a fabricator, I would recommend some boxed steel tubing. Maybe some 2x4x¼". You can cut to length the bolt it in about 10 places along either side of the box.
Great video that really shows the thinking required to do this kind of heavy work. When I was planning something similar my idea was to lay up a fibreglass shell over the hull using thick plastic sheet barrier. Making the shell with fibreglass and thin plywood layers to build up to the required strength. You could then either pop the shell off and build your frame around it or build the frame to the shell in situ on the hull.
Congrats on an excellent job as usual. No stopping you. Go well
Ewan, lovely job on the support boxes! May I suggest that you consider closing the bottom face of the boxes with a glued and screwed plywood skin (maybe around 8mm - 12mm) you’ll be creating a much stronger unit in bending and I very much doubt that you’d need to add further steel structure later. That added skin will be in tension when the unit’s on its wheels. Given the width of each box, that tensile load will be distributed across a huge cross section of ply which will be good for several tons more than you’ll be presenting to it. Just adding a retired old engineer’s perspective. I hope that you’ll not be offended, I know that you are immensely capable and the quality of your workmanship is absolutely impeccable. Happy Easter to the three of you. Spring has finally sprung at last! Cheers, Rob. 😎👍🍻
@RANSailing
Ай бұрын
We will add a 21mm plywood bottom once I have the steel plates installed. I left the bottom out for access to the bolt going through the steel plates. Cheers!
@robm.4512
Ай бұрын
@@RANSailing At 21mm it’ll be supremely over-engineered, which is perfect! I was thinking that you wouldn’t miss the smart way to use the material, but even the best of us occasionally overlook the obvious, so I thought that mentioning it sooner rather than later might potentially save some work down the track. I have great respect for your logical approach to the project, I hope that you’ll forgive me for speaking up. Cheers, R. 😎👍🍻
Great accomplishment with that box. And of course, a success job again! Cool!
You should add Vera’s victory dance to your opening theme
¡Gracias!
Thanks guys!
Bra jobbat 👍
what a team, what a team
You can reduce the box span by adding wheels to the middle. Maybe add steel angle or square tubing to the outside bottom long edge and add the wheels to the steel.
Thanks
Everything has been said, so just WOWWWWW !❤
Looks good.
Incredible work says it all!!!!
Amazing piece of rope and pulley work.
Another great video, and some fantastic carpentry!!
We have a steal bar called L bar( in many different thicknesses.) If you can find that over there at a good price use that on the bottom and incorporate the wheel base into it. You could add holding pins to hold the the cradle and kind of make it removable that way you could get it up to a high point. Just an idea is all😊
Brilliant job very clever 👍👍👍👍
Very nice clean design well done.😊
This was an amazing video. You are a remarkable team!
Cool. Can’t wait to see you move it out and flip
Wow what a fine sail loft you have up there.
Two 6 inch RSJs under the boxes with skates under at same width apart for both boxes ( so both run on same tracks). Can easily be bolted to the box once it turned over. Job done.Then no need to worry about sagging. Or even better than skates just use greased beams to move in and out of shed as has been done for centuries.
keep in mind the "span" on those cradles isn't a point loaded span. The width of the hull is supported at every point where the hull and the cradle meet and they almost become "one" in terms of a load analysis. You aren't wrong to reinforce it like you have but you don't need to be that worried about the span supporting the load of the boat.
Another way to build the cradles while the boats upside down... heavy glass laminates 5--10mm thick over a double layer of 1' wide corrugated cardboard running athwartship over the bilge where you want the cradles to sit. then glue a thick tall and wide bearer athwartship full length of the pad, level and scribed to the laminated pad. ( 3-4layers thick of 18mm ply on a boat this size would be ideal for the bearers.) Bond the bearer to the pad with more heavy glass laminate too. later when removed, replace the cardboard with 10mm foam (yoga mats work well and cheap). the compressed foam from the weight of the hull sitting right side up will approximately match the offset created by the previous double layers of corrugated cardboard and fit perfectly to the bilge.
Ian, please bind corners and overlap edges with {galvanized} metal sheet.
Bedankt
Very exciting 😊👍🏻👍🏻 Way to go Vera 🎉
A couple of thoughts: First, the Emajõe Lodjaselts (www.youtube.com/@hansalodi) project in Estonia just launched their barge using large inflatable rollers, something to consider for getting RAN 3 out of the shed. Second, you do not need to reinforce the keel-side of the roll-boxes to hold the finished weight, just get the hull back in the shed and jack it up to put a stronger carriage under it then. Thanks for filming this it lets the rest of us live our dreams vicariously. I started watching as you were buying timber. It was especially fun to watch the planking since I was building my own cedar planked boat at the time, but mine is just a 18 foot (6 m) canoe. 🙂
fantastic cradle construction!
What a process, but I agree, it looks pretty damn good.
Wow, very ingenious. Nice work!
We spent a few seconds of suspense 😬 during the hoisting of the large support box. 👍 Congratulations to Vera 👧 on obtaining her bicycle 🚲 licence! 👋
Strong work
Have you thought about keeping the wheel span the same front and back. This will make the tracks to roll the wheels on when you move the hull simpler, and the weight outboard of the stern frame wheels will reduce bending moment. Check with a structural engineer....
Looks like a little skateboard halfpipe !
Grattis Vera! Bästa i hela avsnitet...fast bra jobbat ni andra oxå :D
Excellent video and great progress
The aft cradle maybe 4.3 m in width, however the wheels do not need to be that far apart. Put the lift points at the same width as your forward cradle and allow the outer part to cantilever.
Incredibly fine and excellent woodworking and it is wonderful to see your Vera always there helping, delightful young lady !😘
Well done progress as usual
That was a great build and again, teamwork!! ttfn
Well done! 👏