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Peter last won the day on August 8

Peter had the most liked content!

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  1. Peter

    1/72 Bridge Diorama

    Painted the span framework. Added road and footpath railings.
  2. Peter

    1/72 Bridge Diorama

    Now for the span hut. Used MDF board, clear Perspex, and white artist board. Added the boxes to the balconies, bamboo railings, and some flyscreen.
  3. Peter

    Ghosts in the Desert

    Good one Michael. Nice to see two perspectives, over time, and between available resources.
  4. Peter

    1/72 Bridge Diorama

    Here is an image of the actual bridge bumper rollers. These keep the span in place under high winds. Added lateral bumper rollers. Where the huts is, on the span, there is a set of red-green traffic lights for the river vessels. Around the hut balconies are boxed areas for housing winches, gearbox, and assorted maintenance storage. Below, these are waiting on the windowsill for the paint to dry.
  5. Peter

    1/72 Bridge Diorama

    Thank you Wee Davey @Highlander for complement. But don't shoot yourself, it's not what it seems. As a lot of older guys, who have had varying careers, do collect various skill sets. But the trick is to transfer those skills to accomplish other tasks. Though this may be my first model, it definitely is not my first hand in woodwork, electronics, drafting, or designing. Also, I just did not dive straight into building a model. I spent many hours on the Internet looking at what others, such as yourself, have done to make models. A rich source of information was from railway modellers. It is here that I first heard about the word 'diorama'. To be honest, I discovered that modelling (scratch-building) is very enjoyable. I can easily see myself building lots of models in the future.
  6. Peter

    1/72 Bridge Diorama

    Thank you Someone for your 'likes'. Much appreciated. _____________________________________________________ I draw plans as I go along. Originally done on MS Paint software. But today I just put my hand drawn plans into the files folder. Eventually, this folder will be the service manual. Here is a plan for the hut base, balconies, and gangways. These are cut out from MDF board. Used matchsticks for rail posts, and split bamboo skewers for railings. Sometimes I get carried away with the model building and forget to take photos. Below, you can see that I added the longitudinal bumper rollers to the corners. These were made from microswitch actuation levers/arms. These assure that the span, upon raising and lowering, will not get snagged onto the tower. In one corner, there is a U-shaped (slot) opto-coupler. This device will trigger the span motor to stop when the span has reached the top of the towers. A fixed vane/flag, on the tower, will come in between a light beam between the U arms. Cutting the light beam will similate 'turning the power off' to the span motor. Routed the wiring up and along the framework and up through the hut floor.
  7. Peter

    1/72 Bridge Diorama

    The DC powers supply, as shown previously, got made at this point in the build. Making the printed circuit boards (PCB) Testing the 24, 12, and 5 volt outputs. Since the console will now include an interior diorama, I added a small PCB for a 'blown fuse indicator'. The green LED indicates all is well, but if the red LED turns on instead, it means that it's fuse has blown. Below right, the whole DC power supply got installed into the console.
  8. Peter

    1/72 Bridge Diorama

    Thank you Kev K. for visiting and following this build log. That has made my day. _________________________________ to continue... Used computer ribbon cable for the wiring. Then filled in the trench-work with wood putty. Sanded and painted with acrylic undercoat.
  9. Peter

    1/72 Bridge Diorama

    Added Masonite road base, footpath and kerbing to the span. The span will have an operations hut, vessel traffic lights, and navigational lights underneath. Contact points, for when the span is docked onto the bridge, allows electrical connection to the span. The span itself, when undocked, will have its own power from a re-chargeable battery (in the hut). It gets re-charged everytime the span gets docked. Wiring from the contacts and navigational lights need to be trenched into the span base. Then the wires get routed up the span framework to the hut atop of the span. Building the span framework. Using fishing swivels, soldered to bolt heads, for pulley-cable anchoring points. The swivel will ensure no twisting tension to the cable. Just checking to see how the span will look on the bridge. Any comments would be greatly appreciated.
  10. Peter

    1/72 Bridge Diorama

    Adding D-connectors to rear of console. This where two cables will serve as connections between console and the control box (under display table). I have been cannibalizing old TV sets, computers, etc., to get extra parts for the diorama. Here I am making a bracket for a nice pair of TV speakers. These will be required for sound effects such as an alarm bell, fog horn, and diesel boat engine. The museum president suggested to take photographs of the console re-wiring. So kids will get an idea what is inside the console. I opened my big mouth and suggested to replace the front panel with a thick clear Perspex sheet. So now the console too will become a diorama of sorts on its own. After cutting out the speaker slots, The console interior got sanded and painted for a cleaner presentation.
  11. Peter

    1/72 Bridge Diorama

    Could not find any (cheap) narrow pulley wheels needed. So I made my own from washers. I sweat-soldered them together. The first one did not work well, but I learnt from that, and the rest turned out okay.
  12. Peter

    Completed Fear & Loathing Diorama

    Funny Burma-Shave copy. Why don't you show the build log here instead of trying to kidnap others to another sight?
  13. Peter

    KI-98. Somewhere in the Pacific.

    Very interesting looking diorama. Well done. Are you going to add a few figurines? I think it would give it some more life and drama.
  14. Peter

    1/72 Bridge Diorama

    Before adding the road base I needed to apply a few coats of Acrylic primer. making Fender Piers (aka Dolphins). The outer centre piers are drilled out to accommodate red and/or green navigational lights.
  15. Peter

    1/72 Bridge Diorama

    Cut, filed, and Inserted the bridge footings. Added bridge piers. Each set had its own length so as to create the desired curvature of the bridge road. Wood putty was applied around the base of the footings. This is to eliminate any shadows that may suggest that the footing is afloat. Display side walls were added. Girders added onto the piers. It is starting to look like a bridge.