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π¬ Re: Bow Rope Fairlead
13 days ago by RNinMunich (
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Hope I didn't give you the needle Mikeπ€
Not my intentionπ I go green with envy every time I see another example of your excellent woodwork.π Keep 'em comingπ Cheers, Doug π π Like
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π¬ Re: Bow Rope Fairlead
13 days ago by mturpin013 (
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Thanks Doug Ill better get the needle files into action.
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π¬ Re: Bow Rope Fairlead
13 days ago by RNinMunich (
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Nice job Mikeπ
Just needs a bit more fettling (rounding off). The 'fair' in fairlead means it allows leading a line out or leading it in without chafing it on sharp edges π 1st pic shows 'Three mooring hawsers running through fairlead on a RNZN ship.' 2nd a typical 'add on' metal fairlead on a sailboat. Cheers, Doug π π Like
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π¬ Re: Auxiliary battery supply (last report of 2020)
13 days ago by mturpin013 (
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Thanks JB had a look at the possibility so Ill bear this in mind on the next build
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π¬ Re: Auxiliary battery supply (last report of 2020)
17 days ago by Inkoust (
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Hi friends,
I learned not to give more batteries for lighting. I use LEDs on almost all lighting and it is enough to connect a ballast resistor of 490 ohms and approx. 0.5 W to one pole of the battery at the output of the battery. This resistor will supply the saltpeter up to a voltage of 12 V without damaging it. Applies to all types of LEDs. This is a small guide on how to omit additional batteries in the boat and save weight. Zdenekπ‘ π Like
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π¬ Re: Auxiliary battery supply (last report of 2020)
20 days ago by mturpin013 (
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Hi Martin, they will be able to be charged in situ, however I'm hoping since they are only powering a few LEDs it will last quite a long time on a full charge.
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π¬ Re: Auxiliary battery supply (last report of 2020)
20 days ago by mturpin013 (
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Thanks for that JB, nothing is final until its "final" so its a possibility to investigate.
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π¬ Re: Auxiliary battery supply (last report of 2020)
21 days ago by jbkiwi (
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Hi Mike, probably a bit late, but a 1s 1000mah LiPo would be far more compact, plus give you a big run time (assuming you are using LEDs) I use a 1s 2000 mAh LiPo for the lights in my Hartley (LEDs) running through a small v-regs (L=44mm W=21mm H=16mm) to the lamps. This allows you to vary the brightness without having to use resistors. The v-reg can be hidden under the floorboards (or anywhere) and 1 battery placed where you have the 2 boxes.
The 2000mAh battery and V-reg is shown for comparison, (you would not need the large lead like mine, just a JST plug would do,--mine was left over from smoker experiments). A 1s 1000mAh LiPo flat cell would be even more compact and would probably give months of general use before recharging. I left the lights (5) on for around 2 hours in my Hartley as a test, and the battery voltage didn't change a bit. JB π Like
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π¬ Re: Auxiliary battery supply (last report of 2020)
21 days ago by Martin555 (
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Hi Mike,
Do you have to remove these batteries to recharge them or do you have an external charge socket fitted ? Martin555. π Like
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π¬ Re: Water cooling
1 month ago by Martin555 (
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Ah! the days when things were made to last.
Martin555. π Like
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π¬ Re: Water cooling
1 month ago by mturpin013 (
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Hi Steve "over engineered" all the great engineers - Brunel, Armstrong, etc all over engineered and there equipment is still standing or running today, London Bridge being one example.
I remember when I was an apprentice engineering draftsman my boss looked at one of my casting designs and said "thicken up all over lad then well see" so that's something I must have remembered to this dayπ π Like
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π¬ Re: Water cooling
1 month ago by mturpin013 (
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Hi Pete ref aluminium block, I use a local supplier but they have outlets all over the country. they supply all metals in all forms.
https://www.metalsupermarkets.co.uk/ π Like
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π¬ Re: Water cooling
1 month ago by stevedownunder (
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Hi Mike,
Two words come to mind "over engineered". Lovely bit of machining. Cheers, Stephen. π Like
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π¬ Re: Water cooling
1 month ago by RHBaker (
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Have a couple of those ESCs driving small (around 20A max.) motors.
Have not experienced any overheating issues. Your cooling block looks great though! Hope you find them satisfactory, I have Rowen π Like
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π¬ Re: Water cooling
1 month ago by Rookysailor (
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Really enjoyed reading your post Mike, excellent work would it be possible to let me know how or where you acquire your ali block, many thanks.
Cheers, Pete π Like
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π¬ Re: Water cooling
1 month ago by Rookysailor (
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Sincere apologies Rob, so pleased at getting my emails delivered, forgot to look who's blog it wasπ
will contact mike for said information. Cheers, Pete π Like
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π¬ Re: Water cooling
1 month ago by robbob (
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Hi Pete.
I think you're a bit confused π...probably all the upheaval in the 'notifications' ongoing issue and 'site changes' are responsible. This is Mike's Thames River Police Boat build blog !! Best ask him where he gets his supplies from π Kind Regards. Rob π Like
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π¬ Re: Water cooling
1 month ago by Rookysailor (
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Another cracking idea Rob, perfectly excecuted.π
Cheers, Pete btw, Rob, can I enquire as to where you get/got your ali block from. π Like
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π¬ Re: Water cooling
1 month ago by robbob (
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Hi Mike.
If you're using thermal paste between the ESC and the alloy block that alone will mean that the thermal transfer will be very good and the mass of block on it's own will probably dissipate a great deal of heat even with no water flow. Rob. π Like
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π¬ Re: Water cooling
1 month ago by mturpin013 (
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Thanks for that Martin, I consider all my skills a gift and I've enjoyed using then over many years. All members of this web site have many different skills and I enjoy seeing them being demonstrated.
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π¬ Re: Water cooling
1 month ago by mturpin013 (
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Hi Rob some of my solutions are just a way of creating more interesting things to work on, it just stretches the project out. The design seems to allow water to flow quite easily, I rigged up a small pump and restricted it to a flow I would expect to see out of a conventional set up, I then piped it through the aluminium bock and I was pleased to see not much difference. Anyway if it struggles I'll just put a massive propeller onπ
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π¬ Re: Water cooling
2 months ago by robbob (
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Hi Mike.
I remember you mentioning your ESC solution for the Police Boat when we last spoke, and this is far more elaborate than I thought it would be. Noting that the inlet and outlet are on the same face above each other I tried to imagine π€ a water gallery path that would bring the inlet and outlet on opposite ends of the same face and I realised that is not possible without two 'cross drillings' and hence the solution that you have used. I hope that there's not too much internal 'resistance' to the water flow through the various drillings. All in all a very nice piece of machining...not much danger of that ESC overheating then πππ Rob. π Like
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π¬ Re: Water cooling
2 months ago by Martin555 (
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Well what can i say.
That is some serious cooling kit. Along with your other skills you are certainly a machining master. Excellent work. Martin555. π Like
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π¬ Re: Battery housing
2 months ago by robbob (
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Hi Mike.
Yes, I've had that happen in occasions too, easy enough to put another piece over the connector though as you say. I often use Hellerman silicone sleeves but I've run out of them π. Rob. π Like
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π¬ Re: Battery housing
2 months ago by mturpin013 (
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Hi Rob I agree about insulation all the way up, however on this occasion I made the mistake of leaving the iron on the joint too long and the heat ran up the wire and pre shrunk the the heat shrink so it wouldn't push all the way over.
I will go back and put a larger dia over the connector π Like
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π¬ Re: Battery housing
2 months ago by Skydive130 (
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Looking great Mike, your luck, youβve clearly a workshop you can work in all year round, mine is a tad cold now so further building will be limited for a week or 10!
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π¬ Re: Battery housing
2 months ago by Martin555 (
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Nice work Mike.
I really like the main on/off switch. Martin555. π Like
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π¬ Re: Battery housing
2 months ago by robbob (
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Hi Mike.
Excellent work as always ππ You're so luck to have a comprehensive workshop with lathes and bending machines etc. I had to turn down the stem of my switch in a drill chuck and use a file to reduce it, my bending machine is just a vice, a hammer and a block of wood. It works but it's hard work π !!. A point to note...when using heat shrink I would always extend it over a Lucar connector before shrinking it down, that way you have a strong mechanical connection of wire to connector but also full insulation of the connector too. Keep up the great work. Rob. π Like
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π¬ Re: Rubbing strakes
2 months ago by mturpin013 (
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It makes tea as well, with that totally unforgettable woody tasteπ
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π¬ Re: Rubbing strakes
2 months ago by Martin555 (
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Hi Mike,
Your kettle steamer sure comes in handy. Martin555. π Like
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π¬ Re: Deck planking
2 months ago by mturpin013 (
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Your very welcome Hans, Please don't hesitate to ask any questions that my blog pictures or description don't answer your questions.
Are you doing a blog? π Like
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π¬ Re: Deck planking
2 months ago by hhulscher (
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as I,m building the same model your blog is verry helpfull for me, thank you for this interesting blog
bst rgds Hans Hulscher Schiedam the Netherlands π Like
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π¬ Re: Deck planking
2 months ago by mturpin013 (
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Hi Sy I don't think I do anything special, I use aliphatic glue the calking is paper I just spread glue on the side of the plank, push the card up against it, then spread more glue to the side of the card then making sure the plank width is glued, I just push the plank into place. Any excess glue is usually squeezed out and wiped away but as you will see in the picture this amount of excess glue didn't stain the the planks.
Could it be the type of glue your using, I use "Aliphatic Resin by Deluxe Materials" π Like
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π¬ Re: Deck planking
2 months ago by Martin555 (
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Hi Mike,
Fantastic workmanship. Love the nail jig. Martin555. π Like
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π¬ Re: Deck planking
2 months ago by Skydive130 (
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Fantastic bit of planking Mike! ππ one question if I may, whenever Iβve done planking in a similar fashion using pva glue Iβve had the inevitable bit of seepage of glue between planks despite being ultra careful! Even after all the sanding back, once Iβve got to staining and varnishing, I end up with hideous unsightly stains from the glue residue, how do we avoid that?
Kind regards Sy π Like
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π¬ Re: Deck planking
2 months ago by robbob (
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Very methodical and precise as always Mike. The nail marking trick works well, I recall you did the same on your Crash Tender planking.
Keep up the great work ππ. Rob. π Like
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π¬ Re: Edge plank fitting
2 months ago by Ianh (
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In the full size world many of genuine skilled trades many are missing.
I don't see true mine carpenters any more π Like
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π¬ Re: Edge plank fitting
2 months ago by mturpin013 (
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There are some of us left Ian.
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π¬ Re: Edge plank fitting
2 months ago by brianupyonder (
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lot of old crafts are going
brian π Like
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π¬ Re: Edge plank fitting
2 months ago by Ianh (
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I once saw a boatbuilder in Greece using one, very traditional and the skill needed to use one must be immense. Well, you don't see proper tradesmen anymore
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π¬ Re: Edge plank fitting
2 months ago by Nerys (
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I seem to have posted the same response twice, the original version and an edited version. Please read the second
Nerys π Like
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π¬ Re: Edge plank fitting
2 months ago by Nerys (
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A scarph joint is a straight cut at an angle across the width of the timber. A lock scarph is similar but has a step, sometimes two, in it.
Yes, the outer board, shaped to follow the shape of the hull is the covering board. I don't see the point in marking the planks to represent the type of joint, but it's up to you. cheers, Nerys π Like
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π¬ Re: Edge plank fitting
2 months ago by Nerys (
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Hi Mark, That's very interesting, I've never seen a singlehanded adze only in pictures, I imagine it is a nice tool to use and very useful. Very ancient of course, I've seen pictures of them being used on dug out canoes and similar. I used to love adze work. I made the main and fore horse chocks, 4 inch x 15inch oak, practically all with an adze, then fitted them with hand made bolts that I had made, to the barge yacht Santille, then a couple of months later joined her as mate, I was sixteen.
Best wishes, Nerys π Like
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π¬ Re: Edge plank fitting
2 months ago by marky (
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Hi Nerys ,I've got an old adze in the shed somewhere ,its a single handed one with about a 4"blade ,I was given it by an old shipwright about 50 years ago great tool .
Cheers Markyπ π Like
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π¬ Re: Edge plank fitting
2 months ago by mturpin013 (
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Hi Nerys thanks for that, and have being doing some research and its brought up some questions
1 is the scarf joint the one that has wedges in it? or is it a simple straight cut across the timber. 2 Is the name you suggest ( what I can now refer to it (covering board). 3 I'm thinking of marking the timbers to represent this type of joint, what do you think? π Like
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π¬ Re: Edge plank fitting
2 months ago by Nerys (
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An adze is wonderful tool in the hands of someone who really knows what they are doing Doug, I bought one when I was fifteen years old and I'm fairly sure it's buried somewhere in one of our sheds.
Cheers, Nerys π Like
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π¬ Re: Edge plank fitting
2 months ago by RNinMunich (
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Thanks Nerys,π
Had often wondered what that odd looking offspring of a hoe and an axe was called! Cheers, Doug π https://en.wikipedia.org/wiki/Adze π Like
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π¬ Re: Edge plank fitting
2 months ago by Nerys (
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As a matter of interest and to show the difference in scale and reality, when I was working on Thames barges, seventy years ago, The curved planks around the bow, there would be two or three lock scarphed together to get the length around the curve, this three inch oak planking, about 15 inches wide, correctly called the covering board, was shaped using adze, draw knife, saw and plane, then fastened down with about eight inch hand made iron dumps. The dumps were made from 3/4 iron rod by the apprentices on the anvil in the hand pumped yard forge.
Cheers, Nerys π Like
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π¬ Re: Deck planking
2 months ago by RNinMunich (
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Hamogani or beech stick Steve?π
Right end - wrong stick! π π Like
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π¬ Re: Deck planking
3 months ago by cormorant (
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Thought I might have got the wrong end of the stick. Sorry about that.
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π¬ Re: Deck planking
3 months ago by mturpin013 (
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The point of this part of the blog was to show how a difficult hardwood can be bent successfully. The the deck is made of Walnut not beech strip which is the wrong colour, and the deck is to lacquered not painted so not really appropriate in this case.
Thanks for your input π Like
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π¬ Re: Deck planking
3 months ago by cormorant (
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Hi Chaps. Sorry to come into the discussion at this late stage, but I have been off grid for some time.
I can't seen any mention of flexible beech strip for the curve in the bow, but I'm sure someone must have thought of it? I have used it successfully on two or three occasions and the curve is quite easy to achieve. The curves in the attached images are not that acute but the wood is capable of more. A 10minute soak in cold water helps. 8mm strip of various thicknesses is available. Sorry if I am stating the obvious. Steve π Like
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π¬ Re: Deck planking
3 months ago by Martin555 (
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Hi Mike,
You have the knack of making things look easy. Great work. Keep it up. Martin555. π Like
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π¬ Re: Deck planking
3 months ago by stevedownunder (
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Lovely work Mike.
Cheers, Stephen. π Like
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π¬ Re: Deck planking
3 months ago by RNinMunich (
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Typical Mike, always jigging about π
And this one really cuts the mustard π I'll try that with the 1.5mm mahogany I have for the cap rails on my fish cutter. Now to find some MDF. (They probably call it summat 'orrible like 'Mitteldichtefaserbrett' over hereπ€) Wonder if I could use my veggie and rice steamer for the softening? Cheers, Doug π π Like
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π¬ Re: Deck planking
3 months ago by robbob (
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That's a very effective technique Mike.
I used a single strip for these planks but had to put relief cuts in to make the bends, it worked but not as well as your solution. Great work ππ. Rob. π Like
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π¬ Re: Deck planking
3 months ago by Skydive130 (
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Certainly worth the effort Mike, those curved planks are superb π
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π¬ Re: False cockpit deck (cont)
3 months ago by robbob (
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Hi Mike.
FYI your second post had incomplete text and no pictures. Martin fixed it though so maybe it's a case of 'big fingers....small buttons" at your end π. Rob. π Like
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π¬ Re: False cockpit deck (cont)
3 months ago by mturpin013 (
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Thanks Martin
Don't know why it did that but the second one didn't have pictures? π Like
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π¬ Re: False cockpit deck (cont)
3 months ago by marky (
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Hi Mike , looking great ,outstanding craftsmanship .
Cheers Markyπ π Like
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π¬ Re: False cockpit deck (cont)
3 months ago by stevedownunder (
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Hi Mike,
Lovely workmanship, description and photos of your method. Cheers, Stephen. π Like
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π¬ Re: False cockpit deck (cont)
3 months ago by Skydive130 (
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I think after my next build mike I need to go back to wood, oh I do miss the smell π. Lovely bit of planking Mike
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π¬ Re: False cockpit deck (cont)
3 months ago by Martin555 (
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Double post removed.
Martin555. π Like
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π¬ Re: False cockpit deck (cont)
3 months ago by robbob (
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Hi Mike.
So much better than the laser etched Planking ππ. Also.....looks like you've double posted this update somehow? Rob. π Like
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π¬ Re: False cockpit deck (cont)
3 months ago by Martin555 (
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Hi Mike,
I know planking the decks take quite a bit of time to do but you prove that done correctly it can look fantastic and well worth the time spent on it. Excellent work. Martin555. π Like
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