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  1. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello there The hand rails were completed. I bent 1.2 mm along to the template. All pieces were bonded by cyanoacrylic glue. The paper joints make the rail stronger. ----kooklik----
  2. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello Tlapinski Thanks for your following on my work and your patiently waiting. I'll put the finest of my abilities to this model. ----kooklik----
  3. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello 4x4paper I have more parts :) Several weeks I redesigned and built many parts. This week I have exhaust pipe , front run board and head light to present. I put 3 LEDs to the head light. One for the main light and 2 for number plate lights. The cover glass rim glows up too. I should add...
  4. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello there During 2 weeks I built Slip Joint Elbows which one of moving parts. The joint slips on a curve rail behind when the train runs on a curve. Today I finished to build the Air Pump Shield. The shield doors' grill is a hard work to do. The grills are very small and easy to be torn...
  5. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Installed 2 compressor pumps
  6. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello First compressor pump just finished today. I want to see the first one in black with weathering. So I left another one for the next day.
  7. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    I have a new update for this week. The radiator and condensate tank for the air compressor pumps. The radiator made by 21 fins for each layers. I made a jig to hold and fix all fins then inserted 2.0 mm wire through the fins. By this jig the fins are not bent. ----kooklik----
  8. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Thank you 4x4paper The parts are added week by week in recently. The parts assembly is not too much complicated but the volume is big. Parts are compressed in a small space as the real train be. The sequence of assembly is much challenge for me. I found a few design mistakes during the...
  9. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Thank you for your every post. :) ----kooklik----
  10. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello to all Thanks for warm words to me. The pilot has been completed today. I designed the draw gear position be selectable. It can turn into the pilot when unused. ----kooklik----
  11. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello to all I'm back again after the situation here and in Bangkok is getting better. The model is going bigger. I added the engine truck and start the pilot frame. First frame was too weak. many parts were changed from thin paper to cardboard. I want to make it looked strong. The draw gear...
  12. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Next job is engine truck. I started from its wheels. The wheels are 36" size which is the smallest wheel of Big Boy.
  13. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    grease box ( continue )
  14. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hi there I have more update report to share. The grease box is one of fine and complicate part. I display how to build in step by step. ----kooklik----
  15. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hi there Thanks for your following my thread. I'm back again after leaving my home for the 3 weeks business trip. I completed the grease box before leaving home. But I didn't take any photos. The one of hard job of this section is 14 grease pipes. They were made by 0.5 mm wire (copper wire from...
  16. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Thank you Elliott.
  17. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hi there I finished right side rods today. Next part will be the grease tank. It's small and contained with many fine parts. ----kooklik----
  18. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hi Specter The model size in 1/25 scale is Overall length: 162.2 cm (63.8 in) Engine Length: 107.9 cm (42.5 in) Tender Length: 57.6 cm (22.7 in) Width: 14.3 cm (5.6 in) Height: 19.8 cm (7.8 in)
  19. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello Specter The scale is 1/25 for both Tender and Engine :) At first I intended to design in 1/48 and started the tender thread's name in 1/48. Before unrolling to 2D , by the vote results in some forums , 1/25 won. So I changed to be 1/25. Unfortunately the thread's name cannot be...
  20. K

    Union Pacific BIG BOY 4-8-8-4 1/25 Scale (Engine)

    Hello Tony So glad to see back again here. I was so busy with the work in recently. So I don't have much progress to report now. Anyway I'm still working on the left side of the side rods and cylinder shafts. It will be soon completed. I'll have some pictures to show here. Cheers ----kooklik----