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Gone, but not forgotten
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About GAW

  • Birthday 08/16/1934

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    English but retired to sunny Spain
  • Interests
    Model engineering - cars - ships - machine tools

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  1. Fig-171- The working model of the Wallace & Sons Patent Bilge Pump, as originally fitted to the Falls of Clyde in 1878. All that is covered in this Build Log, is at this time, is being assembled for permanent public display on the Barque Glenlee, on the Clyde in Port Glasgow, Scotland. This to show to a younger generation how the famous Scottish iron ships were put together on the Clyde in the late 1800s. < https://thetallship.com > Fig-172.mp4
  2. Fig-170- the complete project, together with the tool set, required to create it - and a most rewarding one.
  3. Fig-168- The Bilge of the Falls of Clyde model, showing the suction end of the down pipes, now completed.
  4. Fig-166- End view of the finished Centre section model showing the complete Bilge Pump assembly detailing
  5. Fig-165- The stub masts, Bilge Pumps and deck house were removed and plated separately, then reassembled after the plating process was completed.
  6. Fig-164 - Now to return to the main model of the centre 40 frames of the Falls of Clyde - The finish - an iron ship, I did not wish to show it in brass, or with a rusty finish, so chose a dull nickel finish, the problem was would the electrolytic Nickel throw into the centre of the model from both ends? Chrome will throw in a direct line only and anything in it’s way will form a shadow. However Nickel can to a limited extent throw around corners, so it was worth a try. There is a none electrolytic Nickel plating available, and plating kits for the asking, but I had just the one large item t
  7. Fig-163- All fitted and ready to go. - view of the font of the Wallace & Sons Bulge Pump as originally fitted the the Falls of Clyde.
  8. Fig-162- All fitted and ready to go. - view of the font of the Wallace & Sons Bulge Pump as originally fitted the the Falls of Clyde.
  9. Fig-160 - The assembly was very informative, as it was most probably the main reason the Patent, was dropped very shortly after it was put into practice and manufactured. One of those ideas that look very good on paper, but turn out to be less so, when put into practice. Not so much for the design, but for the maintenance, to keep it running, and that on a ship at sea. The drive shaft has assembled on it the four complete cam units, each keyed to the shaft, with a distance piece between to locate them directly over their respective cylinders , into which they are then dropped as a
  10. Fig-159 - A full set of parts for the working model - the two twin pump casings at the top, together with the four cam assemblies, with cages, pump shafts and pistons/cups. Below them is the flywheel and drive shaft, distance pieces and handles for working the pump. And at the bottom the Bilge Pump frame, consisting of two end plates and connecting rods.
  11. Fig-157 - Now we come to the second working model of the pump mechanism, shown here is the fly wheel, the one of the Bilge Pump double cylinders, together with one of the four cam assemblies. This consists of the cam set in the rectangular cage, to the bottom of which is the pump piston/cup. What would have been two rollers, set to run in the cam groove, I have substituted two fine brass screw, with lock nuts to hold them in place. When the cam rotates, it is these rollers/screws that then create the vertical movement of the pump. Each of the cams are individually keyed to the drive shaft
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