61′ Barnett class lifeboat

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61′ Barnett class lifeboat

Home Forums Scratch build 61′ Barnett class lifeboat

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  • #104583
    Chris Fellows
    Participant
      @chrisfellows72943

      Nothing wrong with that painting! Really starting to look like a lifeboat now.

      Chris

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      #104604
      neil hp
      Participant
        @neilhp

        thanks Chris………they are coming along now that the weather is warming up, thank goodness.

        #104608
        neil hp
        Participant
          @neilhp
          Whilst having no computor for 3 days, I have been doing a little tidying of my workshop. mounting the boats on their styands and starting to sort the fittings ready for painting and applying them eventually top the two boats.
           
           
          But firstly I had to "waterline" the hulls.
           
           
          Unlike the modern fast afloat boats starting with the Waveney class lifeboats which have straight lines the old classics followed the curvature and lines of the lower belting.
           
           
          And so I applied the waterline in car pin striping 12mm [6 "inches" in scale] to the first of the two boats, the Princess Mary of Padstow. The second boat will be done this afternoon.
           
           
          Once that has been done, I'll finish sorting the fittings and then start on the two cabins.
           
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          Edited By neil howard-pritchard on 19/04/2023 14:17:20

          #104610
          neil hp
          Participant
            @neilhp

            Progress has been made, not only the hulls but the space in the workshop.

            I have made a makeship shelf, well anchored to the lathe to put one hull on there, …………cleared away rubish and tools so that the 2nd boat sits on the bench, making space at the stern, to put out ALL of the fittings for the two boats, and leaving space at the back of the workshop for stuff I dont need.

            A space by the door has been made for my 2nd oil filled heater and tomorrow I will find space on the bench imediately behind the workmate that has the two superstructures on as vacant space if I need it.

            And finally I finished the waterlining on the William and Kate Johnston, now tucked away under the RNLI Pennant.

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            #104611
            Richard Simpson
            Participant
              @richardsimpson88330

              Superb, looking very smart.

              #104615
              neil hp
              Participant
                @neilhp

                getting there Richard. slowly.

                #104618
                neil hp
                Participant
                  @neilhp

                  I have to admit that when I laid up the 2nd and 3rd cabins I didn'ty spend anywehere near as much time, care or patience on them as i did on the first one that i gave to Martin Kinghoward, a friend and collector/fund raiser for the RNLI.

                  As such they both contained uneven layup, including hollows and lumps in the finished surfaces and both nereded folling after a good sanding to take away the lumps.

                  Last night I couldn't find the Dolphin Glaze that Dave Savros Jones had recommended to me a while ago, and so had to fill with p38 filler, [the cabin on the left], but this morning found it tuckedf away and so used it on the right hand superstructure! Typical tbh.

                  More sanding of the superstructures will take place later today.

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                  #104623
                  neil hp
                  Participant
                    @neilhp

                    And the sanding has now been done on moth superstructures and the bottom of the cabin sides has been sanded to fit to the sheer of the deck.

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                    #104635
                    neil hp
                    Participant
                      @neilhp

                      After sanding smooth all of the hollows in the laid up cabins, yesterday I set about readying the insides of the cabin cockpits for detailing.

                      Firstly I made sure that the instrument/access [to the inside of the "engine room" ] on each boat fitted correctly ant marked the outside edges of each structure to the inside of each cabin.

                      This would allow me to fix the first strakes of the inner framework that would hold together the "planking" making up the actual boats' cockpits.

                      Then the task of marking and cutting the strakes was next.

                      I am NOT a rivet counter, and even on the original Ann Letitia Russell and the Liverpool class prototypes I cheated and made those inner frames from picture framing mounting card, 2mm thick.

                      I cut a whole pack of them, 3mm wide last night, and then this afternoon also cut the backing plates for the inside port light closures, that I have cast in resin already. The front port lights have a 20mm dia hole in the centre of the plate, whilst the side lights have an 18mm dia hole, all cut with compass circle cutter.

                      Finally I glued the first frame strake in to the cockpit of the RNLB Princess Mary.

                      I will leave the card to glue to the GRP Cabin, and then this evening I hope to have the interior of both cabins "decked" out with the full frameworks.

                      The glue I used for gluing card to GRP is Aliphatic wood glue.

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                      #104661
                      neil hp
                      Participant
                        @neilhp

                        Having now got the bitt between the teath, this morning I sanded the two cabin structurers nice and flat and free from undulations and other imperfections, before I found the printed dolls house wood grained wallpaper.

                        As I have done in times past, and to save much time in cutting out each plank to 6.5 mm I just fed each sheet through a single cut paper shredder giving me perfectly uniform 6.5mm planks, ready to glue styraight on to the cabin, once the engine room casing has been primed and sprayed.

                        Finally for the day I marked, drilled and reamed out the oval holes for the two funnels for the Princess Mary.

                        Job done for tonight

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                        #104665
                        neil hp
                        Participant
                          @neilhp
                          getting on with things now, and now that the funnel bases have been made to fit, the next part of the engine room housing is to construct the sets of ventilators…..4 different sizes ,heights and shapes for the two different boats I am building!
                          But now that I have found the parts to fabricate them, I will cast some parts missing tomorrow morning and put them together.
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                          Edited By neil howard-pritchard on 24/04/2023 22:40:47

                          #104672
                          neil hp
                          Participant
                            @neilhp

                            As I couldn't find any brass tubing other than the small pieces I had, I decided to turn these 3 and 3 smaller diameter polyurethane dowels in to a mould so that I could cast 3 of each at a time for the main down tube body of the ventilators for the lifeboat decks.

                            A surface mould is just that, not a split 2 part mould, but just a simple mould made from silicon rubber, in one piece and the resin poured in from the top of the mould…..

                            Took about 10 minutes to place the original pieces into a plasticine base to keep them upright, and another 5 minutes to build the "wall" around the items, and 5 minutes to mix and pour in the rubber/hardener to the mould.

                            Then wait an hour or two for the rubber to cure before
                            de-constructing the box surrounding the mould……its that easy and quick

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                            #104691
                            neil hp
                            Participant
                              @neilhp
                              Its been a long slog fitting out the mass of cowl vents that go on the two different lifeboats today……..taken a good few hours measuring and then casting parts and fitting them all together,
                              But now they are ready for service and fitting
                              .
                              The first to be fitted are the largest cowl vents to the engine casing deck of the RNLB Princess Mary, two with longer trunks to the aft end of the casing and a single vent with short trunk with short centrally between the two funnels.
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                              #104702
                              James Hill 5
                              Participant
                                @jameshill5

                                It gets more impressive as you post more pictures Neil. Surely not a great deal more to do now.

                                Jim.

                                #104711
                                neil hp
                                Participant
                                  @neilhp

                                  One or two simple parts to make from brass tubing for signalling lamps and I think that is about it, but as I use the fittings already made, the pile will get less, untill all are used that I have made,

                                   

                                  This evening I have fabricated from the parts already cast, the six slightly different cowl vents for the RNLB William and Kate Johnston.

                                  Four fit fore and aft on the engine room casing and two fit on the deck immediatelly forward of the engine casing itself.

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                                  Edited By neil howard-pritchard on 27/04/2023 22:51:10

                                  #104713
                                  neil hp
                                  Participant
                                    @neilhp

                                    And these two shots show the differences and layout of the two different boats superstructures.The fist boat in class built in 1924 was much more sparce than the last in class showing her large raked twin side abreast tall funnels.

                                    The original boat having no funnels expelled her exhaust through side hull vents.

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                                    #104732
                                    neil hp
                                    Participant
                                      @neilhp

                                      Quite a bit of card work done today on the two cabins.

                                      This is a great medum now and then for some detailing of work, and is easily hardened up using a few liberal coatings of celulose lacquer that impregnates the card easily and once set really does make the card almost as hard as timber.

                                      And so both cabin interior frames were finished by filling the gaps marked yesterday.
                                      Next came the cappings on the edges of the grp mouldings and the ends of the framework by adding the top pieces where the cabin "roof" finishes at the aft end of the cabins, before fitting the cabin side cappings. Aliphatic resin was used to glue all these pieces to the grp cabins, bering held in place using low tak masking tape.

                                      And finally, but aplied earlier today, I gave the engine room casing two coats of grey primer as a base for the Ford Polar grey top coat, which will be the finished colour of those parts.

                                      Then I decided I might just need a beer as a treat for my finicky work today.

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                                      #104756
                                      neil hp
                                      Participant
                                        @neilhp
                                        img_6086.jpgspent some time both this morning and then the afternoon so far with some "behind the scenes" detailing.
                                        Firstly as i still couldnt get an exact flush fitting of either cabins to the decks, and i still had to put the "L" shaped holding brackets to the deck, I decided to do so in plasticard, in two parts.
                                        Firstly the virticle pieces were put on, and with a 20 lb weight battery making sure that each cabin fit to the deck where it touched, i glued the plasticard 8mm wide strip to the cabin, pressing it down to fit exactly to the shere of the deck……..perfect even though covered in fingerprints from the plasticweld glue, WHICH WILL stick plasticard to GRP.
                                        Then, I took strips of 2 x 1.5mm plasticard that I had cut on the band saw, and glued them as the "foot" of the brackets again with plastic weld to complete the "L" bracket. Once all has set well and finished off they will be sanded smooth, and then "rivited"
                                        After this I dug out some scraps of obeche' to make the rope bins either side of the aft end of the cabins, either side. At the moment the tops are gluing to the boxes, and afterwards will be sanded and then detailed with plasticart detailing such as hinges and hasps/staples!
                                        These have actually a two part use, the first being for detailing, but the more important use is to stop the wings of both cabin sides from splaying apart as they are doing at the moment due to the grp curing badly after the backs were cut out to show the interiors of the cabins.
                                        With the rope bins glued and pinned in place so thet they cannot move, they will secure the aft of the cabins perfectly and tightly.
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                                        #104759
                                        neil hp
                                        Participant
                                          @neilhp

                                          Rope bins have been detailed to the point where they now need sanding smooth and then staining and varnishing ready for the fastenings can be painted, ready for fitting later.

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                                          #104770
                                          neil hp
                                          Participant
                                            @neilhp

                                            This morning I cut and sanded the 4 blocks of obeche' that go to make up the bases for the side benches for the two boats.

                                            They were sanded on the bottoms to take into account the curved shere of the decks at those specific points and now fit perfectly in the positions to be.

                                            Then it was a case of cutting strips from waste obeche' for the cross supports and also the longitudinal slats for the seating.

                                            This time I have used a new glue I bought for sticking the decks to the Liverpool class boats I am building and have set aside until these two are finished.

                                            The glue is called D4 WOOD GLUE, and is a "hibrid" waterproof PVA high bond quick grab glue, and it does what it says on the bottle………brilliant for wood to wood. And has glued them within seconds to grab and about 20 minutes to set…………..that'll do me.

                                            NEXT is to glue the longitudinal slats in place, once the cross slats have been sanded on the belt sander to a uniform level in about an hour or so allowing for full setting of the glue.

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                                            #104774
                                            neil hp
                                            Participant
                                              @neilhp
                                              his is the amazing glue for wood to wood I found in a local timber merchant…………..brilliant stuff.
                                              And then it was down to gluing the longitudinal slats on to the cross slats of the benches,clamping them down to set, and after drying, sanding them all down to a uniform thickness…..and then ready later for staining and varnishing.
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                                              #104780
                                              neil hp
                                              Participant
                                                @neilhp

                                                The last time I used this colour was when someone keyed my Reliant Scimitar GTE6 in 1987 and I had to touch it up and then later in the year when mates stuck banners all over the thing when I got married ….took the paint off with the stickers lol.

                                                Anyway, a breath of fresh air being nostalgic, I chose it at Halfords as it is the nearest colour to the insides of the cockpits on the old boats as I remember from building the RNLB H F Bailey before she went in to the Henry Blogg museum at Cromer.

                                                Anyway, the colour is Rover Russet Brown, or as my mates always called it dog sh** brown………well the car did go like stink, lol.

                                                It was painted over a red "lead"undercoat spray, and the edging to the cabin surrounds was also given the same treatment. One coat of each undercoat and top coat was given!

                                                I will now wait for it all to cure until later tonight in my heated workshop, and then mask up the whole cabin both inside and out, leaving just the engine room casing bare, so that I can spray that tomorrow with undercoat grey, and then top coat later in the afternoon with Ford polar grey.

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                                                #104781
                                                neil hp
                                                Participant
                                                  @neilhp

                                                  As I wasn't taping on to anything that I had sprayed with Russet Brown earlier I decided to mast uo both cabins around the areas that will be "planked" later!

                                                  Using masking taped and printing paper that I found a few days ago as foolscap size { bit of history there, lol } they were masked so that when layed on the bench there would be no chance of any overspray getting in to the already sprayed cabin interior.

                                                  As soon as this western has finished on TV I shall go into the work shop and spray up a coat of grey primer on both.

                                                  The superstructure stood on the radiator is just having a very small area about the size of a finger nail filled with surface filler, that had a couple of pin holes in it from where I cut off and re modelled the area of the companionway that still remains on the Princess Mary.

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                                                  #104790
                                                  neil hp
                                                  Participant
                                                    @neilhp
                                                    Couldn't put the planking of the cabin cockpit any longer now that the painting had been completed!"
                                                    And so the centre plank from the cabin top at the cockpit rear to the top of the engine room casing was laid, using my new PVA Hybrid glue watered down slightly by about 10%.
                                                    Then it was just a point to chose a staring point of the 1st plank from the centre plank to where it finished at the aft end of the cabin.
                                                    Then it was just a job of working towards the front and then backwards towards the back of the cockpit.
                                                    Once the port side was complete, the starboard side of the cabin top was completed.
                                                    A little boring after two hours of gluing and sticking, but the first cabin is getting there.
                                                    The sides tomorrow, and then on to cabin no. 2
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                                                    #104797
                                                    neil hp
                                                    Participant
                                                      @neilhp

                                                      SO, I cheated on the first cabin by using printed dolls house wood panel wall paper, and PVA glue………….

                                                      And then I cheated some more with the second cabin……….

                                                      I found similar covering but that was for laminating bench tops and such that want similar wood laminate coverings.

                                                      This has a self adhesive backing………which saved glueing seperately.

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