The Modern Way To Shape A Wooden Boat Stem | Building Temptress Ep7
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- Опубликовано: 4 июл 2024
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- In this video -
In this video I am shaping the stem that I laminated in the last episode. I and CNC carving the entire shape of the stem including the bevels and all notches that will form the landings for the sheer clamp, chine components and topside battens.
This will save a huge amount of work down the line which would have otherwise had to have been done by hand.
- Project sponsors -
I want to say a huge thank you to the following sponsors that are helping to reduce the materials cost for me on this build in order to help me get things moving! Current project sponsors are:
www.sykestimber.co.uk
wessexresins.co.uk/west-system/
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#buildingTemptress
Chapters:
0:00 Intro
1:30 Machining side 1
13:28 Machining side 2
18:25 A look at what's next
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Love it! With Tally Ho nearing its finish, its great to have another build to follow and learn from.
Yes just thinking that myself. Tally ho viewers should be made aware of this channel. Love the cad and cnc use in traditional boat building
You reckon Leo is impressive.
Watch panu from "Artic seacamel" single handedly erect a 90ft shed in winter, build a cnc from scratch, and design and build a 50ft mono...... all by himself! The guy is amazing.
"A boat by the river" is another channel you may be interested in.
Feel free to spread the word! It would be great to have more regular followers of the project 😁
The combination of the table locating pockets and the clamping system you've come up with are going to give you the results you are going for. NICE WORK!!
Yes it all seemed to work nicely 👍
what a fantastic job Dan! great! as usual... man
Another fantastic step forward in your build. And a great video!
Impressed and a bit jealous!
Two thoughts for anyone making their own Temptress:
1) Watching your precise cutting of the stem will help me with my manual placement of the chine top rail and chine.
2) Routing a 1/4” radius on the back side of the stem will eliminate the need to plane the CNC-cut keel notches on each frame.
When I do my test setup of the front of the boat this should further help you to see everything that is going on I think 👍
Yes a small round over on the back will help to land this, you still need to be bevelling the landings into the frames though. Of course I am also doing that in the CNC 😏
@@DanLeeBoatbuilding
Fair point. The keel landings need to angle with the bottom of the boat.
This is modern art - a stunning way to create a traditional result. I have no clue about CAD and CNC so this is really impressive to see! Thanks Dan!
Very impressive programming and machining Dan.
As a CNC operator by day and a boat builder by weekend, I am thoroughly enjoying this series. I plan on using some of these amazing techniques on my next build. Thanks for showing us what is possible. I really loved your melamine jigs for the frames.
Glad you like it! What are you planning to build next?
This feels like one of those collect your Bout in a weekly step by step build.
Gotta say , very impressive ; and there must be some Nordic dna in your heritage !!!
great to see-stunning
For anyone looking to dip their toes into CNC take a look at the Lowrider by V1 Engineering, a very inexpensive way to get into this side of woodworking.
Great video and glad that nerve wracking operation went so flawlessly :)
That’s an interesting looking machine, it would be ideal for someone wanting to cut themselves a kit without the commitment of a full blown machine!
Incredible!
Very nice. I have used that technique to hold stuff down. Only thing I did was screwed into the piece first and then to the spoilboard. That way you are sure that the piece is bottomed out on the spoilboard. CNC is only limited by the vision of the programmer. So cool.
Yes I did that for the later ones, the first one I did I into the board first and it lifted slightly. The rest I did into the part first 👍
Must be so nerve-wracking, hoping the cutter doesn't go rogue and murder your piece right at the end. Love your innovative approach to an ancient craft - you might say, cutting edge!
Yeah it sure is, plenty of checks and runs of simulations first just to be sure 👌
You are doing some amazing three dimensional work on a two axis machine Dan - testimony to what really can be achieved with good programming. As a retired furniture and cabinetmaker, I managed in the final years to buy, design and program a three axis machine for an employer and it was simply amazing what could be achieved - albeit after spending circa £200k but the productivity increase was phenomenal, never mind the new design opportunities that it opened up. Running a huge extraction system, the vacuum pumps and the machine, was costing £1k per month in electricity alone - and that was 5 years ago.
3 AXIS MACHINE. SIMPLE 3D PROGRAMMING AS A TOOL&DIE MAKER. IT NICE TO SEE WORLD CATCHUP AFTER 50 YEARS OF US USING THE TECHNOLOGY.
I’m trying to get the wooden boat industry to catch up. It’s decades behind the rest of the world right now 😆
Another expensive machine for you will be 3D scan:-) Will help to solve backspring issue. Well done, as usually.
Fascinating project: sometimes craftmanship and technology is a form of art... Kudos...😎
Most modern woodshop facilities use their waste in a furnace to generate hot water for heating or steam to generate power or both. I worked at a large furniture maker who was doing this 20 years ago! Every machine was connected to a central vacuum, the giant bags were emptied regularly and the waste was pressed into brickettes for use in the furnace to generate heat and power for the factory offsetting their energy use from the grid.
I have a briquette machine in my shop that all the dust and chips go into so the waste does at least get re purposed into firewood 👍
Amazing 🎉
I’m not a wood guy, or a CNC operator, or a boat lover, but, this documentary I find enthralling and I can’t wait for the next episode. Thank you very much for showing me this fascinating technique. I have been just as fascinated in Leo Golding’s Tally Ho project Sampson Boat Company(RUclips) that clearly showed the manual process of lofting Tally Ho’s hull. I can recommend your viewers find the episodes on lofting. You are doing the same solution for complex compound shapes but in computer world. Kind regards Pete in Australia.
Glad to hear you are enjoying the series 👍
Super nice! Very familiar process and you nailed it! 🤩
I had to do my stem in two halves due the fact that it's 220mm thick eventually. And my stem wasn't really very flat in the beginning so I had to plane it down from both sides before I started the carving. Haven't done the final shaping yet, the stem has 10mm steps on it. But I think that's easy to do by hand (or electric planer).
One question; what kind of tolerances are you using with those landings and stuff? I've come up with 0,4mm (0,2mm on both sides) to be good with plywood/OSB joints. On my first parts there's none and they're gonna cause some trouble soon... 😅
Good stuff! Keep it up!
Yes I think removing the steps by hand will work fine. They actually give a very clear indication as to how much to remove and where.
Tolerance wise I am machining these to the exact size based on the 3D model. I’m expecting there to be some trimming work down the line but when I do the mock setup of the front end of the boat I should be able to start to see how this will all work 🤞
Watching CNC machining is fascinating and relaxing to watch , except for the first time I suspect! Been teaching myself some basic CAD designing as a retirement project so nice to see what can be achieved. Great videos thanks Dan
Very cool. Are you teaching yourself to also use this technology for boat building projects? I am considering doing the same in the next few years
@@kiteleyand thanks So far I have mainly used CAD to design patterns to have various castings made for my boat Cleats etc
@@johnnyknap Very cool, would love to see that process if you have a channel
I knew a boat builder back in the 70s who said that modern timber boat building consisted of turning big bits of wood into many little bits of wood, then gluing them back into a big bit again. I have found in some cases wastage of original material can be more than 50%, especially if doing re-sawing on a table saw.
That is very true 👍
intresting way building trad boats !!👍👍👍
lol that doesn’t look like the outline of boat parts on the spoil board at 2:00 😂
love the f*ckfingers on your router table😂❤👍🏻 keep the amazing work up! would love to build one myself 😢🤯🤑
😆 👍
I’m curious. What CAM software are you using. I’m using Vectric cam software and it’s pretty primitive for 3D work.
I am using Fusion 360 here. I don’t think you’d be able to generate these sorts of tool paths in Vectric.
It is not clear to me how you established the datum that was the side of the glue-up you laid into the recess you cut into the spoil board. I guess there was a lot of extra in the glue-up. In that case you were just hoping that the real part didn't "stick out" of the glue-up somewhere as you milled it I guess. Yes, about using the rabbit plane to square off the bottom of the landings, couldn't you have just radiused edges of the planks that land there? Much less fussy than using a rabbit plane or chisel.
It’s taken from the internal curve of the stem shape in CAD, that’s the primary datum line I work from. The same curve that forms the outer edge of the lamination jig. Due to spring back in the lamination my stock didn’t quite match this hence the need for jogging the machine a bit and cutting this back face. The stock was laid up roughly estimated but so that I had enough there to get the finished part out of completely.
Ooh and yes the battens could have easily been rounded to match the landings. Just habit I guess wanting to clean up the notches and make everything look neat.
Curious to know how many man hours you reckon you saved by using the CNC here?
I was going to ask him this question as well. The benefits of this method are numerous of course (Time and obviously labor savings, increased quality in the fit and how the boat comes together, and more)
It’s difficult to know having never done a stem quite so complex as this manually. At a guess though I think this may have halved the time for shaping the stem on this 1 off.
Of course where cnc really comes into its own is in repeat work. If you were putting this boat into production and doing batches you could probably produce them at 10x the speed using this method vs maybe 2x the speed for batch production the “traditional” way. Plus whilst the machine is working you can be getting on with something else 💪
@@DanLeeBoatbuilding Thanks for that!
@@DanLeeBoatbuilding Yes, and...running the numbers on the full cost of the build, can the precision and efficiency of CNC and kitting, bring the overall cost of this amazing build down by X% and so and end / total cost that opens up this build to a larger customer base than the typical Van Dam, Stan Craft, Lyman-Morris, Spirit Yachts, Cockwells, customers?, etc.)
I would like to think so. These refinements will help speed up my build in the assembly stages for sure. If implemented into larger production setups the time savings could be mega and it would allow more time down the line to spend on finishing details. I’d love to get involved with one of the larger wooden boat producers some day in the future and look at how these practices could be implemented. I really think this could tip the balance back in the favour of wooden boat manufacturing in the future 👍
Love the video's question: Why not reverse render the frame holder? So you don't have to remeasure once you have to flip it to the other side. Plus, your production would be faster?
Once the top is cut it fits perfectly into the profile cutout in the waste board once flipped. Seems accurate and easy to do it the way he did.
@@DamianPenneyyes but he can easily cut spoil board in reverse and shave minutes off build increasing his production without measuring.
Do you mean cut a recess that the frame sits into the for the second side carving op rather than aligning on the dowels?
Yes sir..
@@DanLeeBoatbuildingmirror it.
Can you build it out of foam instead of wood?
No, this boat is designed to be built in wood.
you are selling me on this with the cnc strongback. just need the space! and also wanna see kinda the boat with someone in it and the free board
You can see some renders of the finished boat on this page here: danleeboatbuilding.co.uk/building-temptress/ no pictures with people in though I’m afraid as one hasn’t been completely built yet.
@@DanLeeBoatbuilding yeah i have looked at it a million times, among others. why i wanna see people in it. sometimes you see a boat looks good on paper/pictures, just sitting there! but then you see people in it and realize it is not what i like. dont know the technical terms how to explain it, but if a avg man(1.80) sits in it, i don't want a lot of the torso to stick out above the deck i prefer the deck closer to the pit then to the lower back while also not having the seat close to the deck of the floor/ kinda hard to explain as English is not my first language, and i am still learning the ins and outs of boats the technical terms
@@davidnonya7359 I see what you mean. I will look at producing some renders with people in it so you can see the proportions of the boat better 👍
I'm lost. Cost savings? Faster to build? Stronger or lighter weight?
Doesn't seem like something for a first time home builder nor possibly even in a factory?
I’m experimenting with new practices here to see how they could be used in the future. Most prominently, increases in accuracy, speed and therefore labour savings.
No it is not doable for the first time builder and to do it this way you need to have access to a CNC machine and have good knowledge of 3D programming. If this was implemented into production then the time savings would be huge!
The stem doesn’t have to be done this way though, it can still be shaped by hand using traditional methods.
Why does your cnc bed have 2 middle finger cutouts on it 🤣
😆 a customers kids wanted them made so they got added onto the job to use up the spare material in the sheet.
why is there 2 middle fingers on your spoil board lol
I was cutting some parts for a customer and I said he could fill up the rest of the sheet for no extra cost if he wanted. This is what his kids asked for 😆
@@DanLeeBoatbuilding thats great lol
Love it Dan, but far too many ad breaks
Not if you get YT premium, then there are none. Well worth it for that alone, but you also get YT music which has a bigger catalogue than Spotify.