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Tecko

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  1. Sorry to read about your health issues and side effects, Mac. The road signs that lure us to pull over and distract/delay our purpose for the journey. I have two journeys to complete, one is to be creative for others, the other is to be closer to the truth. Illness brings me closer to the truth about life. Creativity is a way of expressing that life. Thanks again Mac for sharing with me, and for your thoughtful blessing, my friend.
  2. Sorry to read this, Doris. I am in similar situation. Hoping better days will become the normal for you.
  3. Hello CapnMac82. Have been very busy lately, when I am not too ill to do so. It seems to be all or nothing at this stage of life. Time is running out. Had to temporarily cut out FSM and others. Decided to just focus on the better forums, such as this one. Thank you Mac for your kind and encouraging words.
  4. HEADACHE DAY today. Came to a full stop with controlling the boat motor. Could not remember what my operating plans were for it. Discovered many unresolved issues with the design. Decided to start from scratch, in regards to operating the console. There are about 14 steps to complete. Got stuck in step 3 already. It turns out that there is a need for major re-design. Starting operations manual from scratch. As you can see, much of the original plan needs to be altered, and this is just for selecting up and downstream travel. Strange how one can become blind to things when focusing on it for too long.
  5. You know how to make a person blush. Thanks.
  6. Tecko

    BRIDGE ON RIVER KWAI

    Related true story movie: https://en.wikipedia.org/wiki/To_End_All_Wars
  7. Thanks fellows. ______________ Created a similar circuit for the optical switch which switches boat pulley motor OFF when it reaches end of travel. Top right image shows boat vane about to enter sensing gap of optical switch _ green LED indicates motor is ON. As soon as vane passes midway of optical switch, relay is tripped _ red LED indicates motor is OFF. Will create circuit board for two circuits, one for each end of transport track.
  8. Tecko

    BRIDGE ON RIVER KWAI

    @mtaylor Found more information about the lumber. The Burma railway is 415 km long. POW camps were strung along the whole distance. Midway is the only camp designated for cutting timber. Most probably all the sleepers come from there, at least. Other cut timber was done on site, as revealed by following images.
  9. Tecko

    BRIDGE ON RIVER KWAI

    Vehicle pathway and balconies. Cur strips of 1 mm sheet plastic for joists and handrails. Cut, drilled, and filed half the joists for hand rail posts. THANKS FOR WATCHING. Much appreciated. This build has come to an intermission. I am now putting all my time into completing the Wardell Bridge build. Hope to see you there.
  10. Tecko

    BRIDGE ON RIVER KWAI

    The POW built many bridges along the 415 km railway. Some short, some long.
  11. Tecko

    BRIDGE ON RIVER KWAI

    Good day mate. Glad you found it.
  12. Had a boat vane problem. The battery holder got in the way of docking at the other side of the track. Had to relocate the battery holder, optical switch, and the limit microswitch, by a total of 11 mm. That is a lot!!! Had to move the battery holder 6 mm, and the optical switch 5 mm, to left. Designed the simple light detector circuit. The relay is dormant while light beam is OFF, allowing downstream nav lights to be ON, represented by the red LED. Once the light beam is ON, the relay becomes active, changing over nav lights for upstream, represented by the green LED.
  13. Tecko

    BRIDGE ON RIVER KWAI

    I sandwiched the rail tracks with two more girders (4 mm dowel). Then laid in matchsticks for supporting railroad ties (sleepers). Then I cut strips of 1 mm plastic sheet for railway ties. Chopped them up, glued into place, and painted a fresh cut timber colour to them. Next day, I cut strips fine strips from the same sheet for track rails. Used a block of wood, cut at 5 mm, for gauging the rail while gluing. Then I masked and painted the rails a brown-grey colour. later, added silver colour to the paint mix, and wiped that across the top of the rails.

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