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Everything posted by No Idea
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What kind, brand and where do you buy your end mills?
No Idea replied to rlb's topic in Modeling tools and Workshop Equipment
That is class work mate and the experience shines through -
Hi Greg - thanks for the nice comment as I have always seen this part of the ship as one of its key features. Its still turns which is what I was aiming for and once the lever is in place I think it will look nicer. I did take a chance and guessed that the cheek sat on top of the planking to allow for any maintenance but I could be wrong. You are spot on about drilling holes through round stock - I would also add that you need to have it as close to the vice or even better inside the vice to reduce vibration. Because I used an end mill it did the whole job in one operation but they are extremely fragile. If I was going smaller I would put a small flat on the stock using the end mill, then use a centre drill as you have suggested and finally use a drill.
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Some more work done on the windlass and this time I've made the Carrick piece (the larger part) and the cheek. But before I made them I wanted to make the big locking bolts that run completely through them. To do this I first had to drill a 0.68mm hole (the smallest end mill that I have) through a 1.5mm diameter brass rod. Here's a close up of the drilling which makes it look like I'm running a 6mm drill through a 10mm bar 😜 A bit of perspective These were the beginning of the bolts which were then cut to size and a tapered 0.8mm pin put through and soldered in place. I then chemically blacked them and here's the result. I haven't taken any pictures of the making of the Carrick piece or the cheek as it's very straight forward. I did however take one of the drilling of the holes for the bolts. I temporarily glued the two halves together and ran the drill straight through. This worked great and was very easy to do and once again a little IPA separated the parts. The finished parts with the bolts in place. Finally here are parts all dry fitted into the hull. Nothing is glued in at the minute including the beams but it all fits quite nicely. So thats it for a couple of weeks as I'm in for a quick surgery (nothing major) which they have told me will restrict my lifting and moving. As soon as I'm fit I'll be back on it. Cheers Mark
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La Palme by Tobias - 1:36 - POF
No Idea replied to Tobias's topic in - Build logs for subjects built 1501 - 1750
Beautiful work Tobias - your stern looks very symmetrical which is so difficult to do - just fantastic 👍 -
Hi - Now firstly excuse my limited knowledge on this subject as I only used brass blackener for the first time this week. I blackened 2 brass rings that were soft soldered together at their joint. I was pleasantly surprised to see that the solder had been blackened somewhat too. Would liver of sulphur do the same thing? I was expecting to have to touch the solder up with matt paint but found this unnecessary. If it does I would like to just have an experiment with some pieces at home to see which gives me the best results.
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I have used lead shot just as you have and it works great. The only difference that I did was to line to compartment with cling film first. I then put in the lead shot and poured in the resin. Once set I could lift the set shot out in one complete lump should I ever need to do any maintenance as it never was stuck to the hull.
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Thank you Vladimir 👍 Hi Dave thanks for your nice comments. I work to the dimensions on Gerards drawings as best I can - so if I measure a piece to be 5.8mm I try and make it that size rather than rounding up to 6mm. I have found that I get very little cumulative error by doing this BTW have a really great holiday you lucky fella 👍 Okay - the windlass 😍 what a lovely piece this is to make on this ship. Although I've not strictly adhered to Gerards drawings as it should be slightly barrel shaped I have enjoyed making this. So first of all I had a bit of play to work out the indexing on my rotary table which you can see standing on the mill slide. Once sorted I shaped a hexagonal piece which was again made by gluing two bits together. Its dimensions are just over 18mm wide it's quite a chuck of wood. Looking at the drawings there is a 3 degree angle to be cut on the length of the windlass and also the pawl cut outs are set 12 degrees back from the hexagonal facets. So I set the 3 degree angle and cut the taper and also rough cut the pawl locations. Once that was done I revised the pawl cuts and milled them to their final size. This is easy to do as long as you do not accidentally reset your mill dials. Then I drilled out the holes for the windlass lever which are set a 90 degrees to each other and go all of the way through too. I also cut the windlass bearings. So now I've ended up with a piece looking like this - Now anyone that does machining knows that my biggest problem is turning the windlass around in the chuck. I cannot grip on the tapered surface with the 4 jaw chuck. So to solve this problem I made some tapered inserts that I glued on using PVA knowing that I can remove them later using IPA. I then turned the windlass around in the chuck and repeated the same processes to the other end. Now the chances of me hitting exactly the same angle with such a Heath Robinson solution was slim. The windlass did not come out entirely symmetrical but it looks ok to me. If I made it again I expect that I would get the same result so upwards and forwards. The next stage was to make the round holes square for the lever which I intend to make later. I'm sorry but I forgot to take any pictures of this process - Its time consuming to get the square hole completely through but the end result is well worth it. Finally there are 2 iron bands that fit around each end of the windlass. These are hard to make and get a correct fit being hexagonal - my advice is just keep at it until you get it right. Due to my taper/angle discrepancy the ends of my windlass differ by 1mm so each one had to be custom made. So here's the final result all cleaned up with blackened iron bands - I've never used brass black before but its very easy to use and the results are lovely. So next I need to make the windlass supports - Thanks everyone for the likes and support with my build Mark
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That really looks like a great job - as for the later frames being in line and perpendicular I agree with druxey you need a datum on the base of your building board or higher up. This will ensure that the frames are in the correct position. I have found that measuring constantly keeps things just about right. Great build 👍
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- La Mahonesa
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Hi mate I feel your pain 👍. I ended up making mine twice as getting the transom fillers to fit the fashion pieces is tricky. In the end I glued the transom pieces to the stern post. This kept them still and in alignment which allowed me to file a nice straight angled edge between them and only then did they sit nicely on the fashion pieces. Keep going and you’ll get there 👍👍
- 83 replies
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- ancre
- La Mahonesa
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Hi Here's one that goes from 4mm - 10mm square https://www.cooksongold.com/Jewellery-Tools/Durston-Square-Plain-Triblet-4-10mm-Hardened-Steel-prcode-999-7227&query=square mandrel&channel=uk Mark
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In the UK Lidl or Aldi supermarkets sell a Proxxon copy under the label of Parkside. They are a very close copy and about 1/3 of the price.
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More done this time it's the forecastle deck waterways. As with the main deck these are tricky to make and get a good fit. Here I'm just pretty much roughing out the shape to get a good fit on the hull and beams. I learn't from last time to leave loads of extra material on until the final shaping. This is what the final piece looks like - It varies in thickness, angle and profile. I haven't put any of the making pictures up as its a replica of the process that I followed before. Just dry clamped in place to check that all is ok. It's all still a bit scruffy and needs cleaning up and pencil marks removed but on the whole they fit nicely and now I know that everything lines up. So I can now put these parts away until later as I want to make the windlass, stove and office that sit between these decks. Once they are made and installed I'll finally fit all of these pieces too. Mark
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Beautiful work Chuck!! - The beams are a part of the model that I can see a kit builder having issues. The beams have complicated compound angles to sit on the hull and line up with your marks - too short or the wrong angle and they are useless. Just a thought maybe a small inclusion on how to work them out using scrap before trying to cut the stock provided. I only say this because as a new builder I have wasted so much wood working this out before realising that scrap is a whole lot cheaper. I also discovered to cut the longest beams first. If I cut them too short I can move that piece forward to the next shorter beam. Mark
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Thanks druxey I found these joints so much easier this time and the beams actually go all of the way to the sides of the ship. This might sound strange but the more ship building I do the more I realise the importance of accuracy on every part. Everything is connected or has a knock on effect to everything else!
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On a small scale a zero clearance insert gives the wood support all of the way up to the edge of the blade. This reduces tear out as the wood is fully supported but also reduces chip removal which can cause heat. Whilst a fine tooth blade will also reduce tear out it will also cause issues with chip removal and heat too. It’s a trade off that experience and practical hands on work resolves. I believe that there is no definitive answer but my best results are with a 4” 64 tooth blade running through a zero clearance insert. Other users find different results.
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More done on the beams to get them just about completed. Firstly I made the deck shelves (this ship doesn't have knees under the ends of the beams) and also cut the dovetails in the clamps and beams. I actually got a nice fit this time on these parts. There were also a few more notches that needed to be cut into the beams and also a slanted hatch for above the kitchen stove. I couldn't quite see the details for the carlings in the drawings so I made them like the other hatches on the ship. This is pretty much a 50/50 notch into the beam and a similar one into the carling. The hatch sits at an angle of 74 degrees as best that I could measure it. The beams in place and also at the correct overall height. They sit flush with the highest breast hook for the planking to run over. So next I'm going to make the waterway for this deck. Its thickness and angles vary quite a lot so should be quite a challenge. I also want to make some detailed parts rather than just structural ones. So to shake my build up a bit I've decided to pretty much finish this end of the ship. I'll be making the stove, office and windlass along with several hatches. I just think it will be nice to add some details before getting on with the planking on the starboard side. Mark
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I don’t get this - if a blade does not run true then it cannot have a zero clearance insert. Without a zero clearance insert you will get loads of tear out. I’m not saying that it can’t be done but I just need someone to explain how this can be a good thing. If I need a wide cut I use a sled. I still own all of my fingers so I know that this works. It’s one of those things that I need explaining. I’ve lost so much expensive timber through tear out hence my question.
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I get all of mine from Germany https://cnc-plus.de/en/End-Mills-266/2-flute-fish-tail/
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That is really sweet work my friend 🙂 I would be very pleased to have made that. Just a small tip - Try using 2 flute milling parts on wood. They remove the chips far better and give a very crisp finish.
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