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HI Grandpa, If you mean the entire pulpit railing from cabin to the bow and round. First measure the deck, marking where each upright will be, the uprights seem to be the same height, so that part is easy, source some 16g welding rod, (stainless will be to difficult to braze) then shape to the size of the deck, try to keep the bends smooth as it may kink. Second. Get a scrap board bit bigger than your deck, mark each stanchion position and drill holes to match, stand the stanchions in the holes and start to lay the top rail silver solder for strength each stanchion as you get to it, might be easier to work side to side towards the bow, this will stop you burning your fingers!!!! To finish you could have the rails chromed or use a chrome spray paint, can't tell if the rails have feet (small washers) if so add these over the stanchions before you solder the top rail, they will stop them going too deep into the deck, finally drill and glue the railing into the deck, a sod of a job but the look will enhance your model Hope this helps Mark
Finished the major parts of the hull and am satisfied with the results. Now turned to the superstructure, which has turned into a challenge in its own right. Decided to break the structure down into decks and concentrate on each deck individually; before “rolling them up” into the complete structure. Also decided to make the central “core” first and complete, before adding the curved frontispiece containing the forward bulwarks. This would allow all the detail between the two such as windows, doors and portholes to be accurately made and positioned. The structure from the first deck upwards was made removable to gain access to the internal systems of this working model. The lovely flowing curves, which attracted me to the vessel initially, proved a pain to reproduce. The bends around the front corners required making each deck front separately and then gently bending heated styrene around a former to reproduce. There is much opportunity for hurling! Added a L shaped strip around the front of each deck, so there is something firm to glue the front bulwarks to. Was concerned that without something like that the individual deck shields would never line up properly. Similarly added styrene U channel along the deck edges to give a surface to which the shield side rails could be fitted. This also replicates the vertical deck edge panels that are evident in pictures. Felt this would also make the structure more robust, enabling it to be removed and refitted without damage.
Hi mate, bit late now but if you mix some black powder paint or artists acrylic paint into the pva, the glue dries black and simply sand the excess away to leave the caulk lines, no chance of wonky or lines that have soaked in too far. Mark
Not done much since the last update ,wife had to go into hospital so boat on back burner whilst on chicken soup duty .gorilla glue and ratchet strap have done the trick hull and ribs are back together although inside looks as its been attacked by a strange alien growth ,shall now boldly go in with dremil and scalpel and clear the growth ."keep me a kipper I'll be back for breakfast"(red dwarf)
Hi John, Lets take your questions one at a time. Surface prep. Close joints are always good but not essential, glueing plastic involves a form of welding, ie the surfaces melt together forming a filler as well as a glue. Plastic weld is a model railway product which is very good, it's a liquid applied with a brush and the pieces are held until the liquid evaporates. Prep all surfaces as there might be release agents and / or fingerprints on the surface, washing up liquid is great for this, also when ready for painting wash again and lightly scuff the surface with fine wet and dry paper, (600 grade). Epoxy. Is not a good glue for plastic hulls and superstructures as they flex and move, epoxy is brittle and will fail over time. Finish painting with a plastic primer, (Halfords) this gives a flexible basecote, then paint as desired, i use car type acrylic paints, if you want a colour not as a car, you can get paint made up to your spec. In short, Liquid poly glue, clean before the build and when ready for paint. Hope this helps Mark
Hi All,up to now,Ive built exclusively in wood,now I find myself contemplating plastic.What surface prep do I need before glueing,painting etc.I presume that some mouldings/castings will have a release agent on the surface.Epoxy seems to be the adhesive of choice,do you agree?Many thanks all,in advance
First piece of decking added at the bow. I’ve used a lamination of 1.5mm mahogany and 1.5mm obechi, this will be stained and varnished at the end. I’ve also added the mid chine rubbing strake from 1/32 x 2/16 ply, blended, filled and primed and sanded with sanding sealer. Hull exterior finished apart from 2 thin coats of resin. Next job is the fit remaining deck pieces which are currently glued and laminating under some heavy books!
Started to add the finishing touches to the hull; portholes, a bulwark capping strip and bilge keels. The portholes were drilled to the outside diameter on the drawing and small sections of styrene tube epoxied in. These were then drilled out and smoothed to the hull contour. Once the hull is painted lenses will be added usimg clear epoxy. The bulwark capping strip is a small styrene “U” section CA glued along the top of the bulwarks. This tidies up the edge and gives a smooth, consistent appearance. Have never been satisfied with previous attempts at bilge keels. Tried making them from both styrene and wood, pinned and epoxied into place. Not very robust, although they looked fine. Plenty of scope for repairs! Decided to try another approach on this model. Purchased strips of 1/4” L shaped styrene and CA glued them into position on the underside of the hull, with the leg facing in towards the keel. Filled the gaps on both sides of the styrene with fibre-glass resin and then rubbed them down, feathering the edges of the bilge keel into the hull. These bilge keels are nice and strong and, from the outside, the bodge is not visible. It can been just seen from the underside if the model ever gets inverted. Hope that is unlikely though! From here on the construction will follow well established principles, so will only write bog updates as significant milestones are achieved.
Only a short one, as I have realised that dealing with Battery Mounting means I need to deal with changing the Rudder Servo first! (Pic 1) So to remove the servo was easy as was replacing with the better unit. It is by the way much easier to remove the Servo Bracket and then the Servo than leaving it in. Same naturally applies when fitting (Pic 2/3) I had to remember to have the lead coming out on the correct side though! (Pic 4) I had been thinking about whether I should be using proper metal linkages to the rudder mechanism and issues about ‘slop’, but now it looks like there will not be a choice, but let us leave that until later as this is going to be a short session. (Pic 5) In fitting the battery I was conscious that it has to pass in and out of that rear hatch, stay on the centre line and avoid fouling the Rudder Servo...................... So I cut a base plate of Balsa to stick in the bottom of the Hull so making it reasonably flat for the Battery and a Balsa Plank to stop the Battery accidentally moving towards the gear boxes. Before gluing them in place I attached Velcro/ hook and eye patches to hold the Battery in place. (Pic 6 ) There appears to be at least two thicknesses of this stuff, very rigid and strong and the other softer, more flexible and slightly less ‘grab power’ (Pic 7 ). I opted for the lighter stuff as it could be a struggle getting in and out of the Hatch! (Pic 8) I may need to put a loop of something around the battery to assist in removal, but that is for later. I just glued the Balsa in with ‘Gorilla’ glue and laid the battery in to add weight whilst drying (Pic 9/10/11) Next time I hope to concentrate on getting the forward platform loaded and the power linked up. NPJ
Came home today to what looked like a disaster but after a few well chosen words it wasn't as bad as first thought for some reason known only to the glue one side of the hull timbers had come off the ribs, the same glue was used on all the planks working from the keel up, alternating sides ,anyway a liberal application of gorilla glue at the effected area and some ratchet straps seem to have done the trick will leave the straps on for 24 hours and hope for the best.👍
Hi seafarer, I've scratch built a Type 21 frigate and managed to find motors for the radars. I got them from a company called Precission Microdrives, web site https://www.precisionmicrodrives.com/gearmotors. They don't come cheap, the three on the mast cost £45 - and then there's the replacement for the one I 'lubricated' with super glue. That said the effect is fantastic and they just make a slight whirring noise when running and go all day on the 6 volt battery (I needed to fit resistors to them to get the speed down a bit). Hope this helps. Graham PS The service was very good. PPS The film of them working doesn't appear to be working so I've posted a still, the motors are 20mm long to give an indication of the size. The air traffic control radar on the bottom platform shows the full length of the motors. PPPS Web address changed, thanks Dave.
the motor has arrived today so into the workshop this afternoon, of course it is not going to be straightforward, the motor is much larger than the 540 size so the motor platform is too high. I fixed it down well, I did not want this to come loose, managed to cut it out with one of those vibrating cutter, just leaving the glued pieces to remove , not too difficult with a small wood chisel. So in the process of making a motor platform with new stringers so the platform is lower in the hull, break for tea, now going in to workshop to fix down the stringers to the hull and bulkheads with 2 part epoxy, The motor mount has been fixed to the platform with small nuts and bolts with a locking washer, I am going to epoxy the heads to the underside of the platform, so I can undo the nuts without the bolt spinning, not sure how I will fix the platform in as there is not much depth on the stringers to use screws, so I guess two part epoxy again. Should I start a blog as I think this may be an ongoing tale of woe😊
The only remaining area requiring significant rework was the bow. Decided now to concentrate on getting the shape and dimensions correct. Made a template from a steel wire coat hangar, shaped to follow the Teakwood bow profile. Cut a mating recess in the upper bow and bulwark, fitted the template into it using CA glue. Once fitted and relatively rigid, cut a piece of styrene to fit into the space between the hull and the template. Epoxied the styrene into place at both the template and to original Velarde hull bow profile. This gave a nice looking bow from the side elevation, one that is also strong. Unfortunately, when viewed from the underside, the usual nice smooth water entry is not apparent. Had two ideas to attempt to blend the bow into the hull sides properly. The first was to cover this transition area with thin styrene and then feather it into the bow and the hull. The second was to use the modelers secret weapon, wood filler and do the same. After either approach planned to cover the whole area in thin glass-fibre cloth and sand down until smooth. Mocked up the styrene installation and decided to abandon the idea. The styrene makes the bow transition bulky, it also became quite clumsy around the upper area. Thought would try the wood filler approach instead. Shaped the rough filler with sand paper, it worked out relatively easily as it required little rubbing down. The modification worked out well and the bow looks satisfactory from both the side and underside. Decided also to replace the pulley drive arrangement with a toothed belt system. Have never tried this before and, as a friend of mine had a selection of belts and pulleys, thought would be useful experience to try it. One question perhaps somebody can help me with – what colour was the deck on this vessel? All my pictures showing the deck are in black and white!
Thnx, Zdenec for the heads up on that. The only translations I am interested in are those references on the three tables. I feel it will help knowing what is what. As far as modifications are concerned, it is only wood and glue. If worse comes to worse, I have a fairly large hammer! 😡
My wife did build one back in 2013 and I can see that they did update the kit with good things. 1: The wind shield is now fixed in slots in the deck and not just glued to the edge of the cockpit opening. 2: There are now padding and leather for the seat included. 3: There are a few etched details for the instrumentation, steering wheel and step plates for the deck. 4: There are notches at the break off parts that will help in fixing the sides when gluing them in place. Choice of motor: I'll use the same set-up as my wife's which is: Graupner BL Compact 260Z 1380KV with a Graupne ESC 18A FWD and REV. The shaft is replaced with a Robbe 4mm (no 1442) and a 33mm 3 blade prop from Graupner (GRA-2299.90) as the one provided is a flimsy part that will not withstand the motor set-up. It will be running on LiPo 2S but if one need a rocket it can run on 3S. 😱 Been using LiPo's the last 5 years without any fires or explosions. They should just be treated with care, balanced when charging and not overloaded. 😎 BTW the last picture show then new vs. the old kit of the Classic