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  1. Hi, just been experimenting with a few ideas on battery charging. I have decided that a powered siding (12V dc) and pick up through the rails suits me best, an onboard buck charger output 8.4 volts to charge an EBL PP3 2cell li-ion battery, a boost circuit raises the voltage to 12v for loco control. I have replaced the loco on/off switch with a small latching relay TQ2-L-5V this is wired to isolate the battery if the rails supply is reversed, a blocking diode protects the buck charger circuit. So the loco is run onto the powered siding and starts to charge, I turn off
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  2. At long last can say the bridge is nearly ready to go other than the making bus wire harness for both tracks, on a big high all my work has paid off with the track down, even that took a few hours, was able to do that in the garage, will do the same with the bus wiring . There is still a bit of detailing to do after the layout is up and running on those hot days . I am still basing my bridge on the third pic only thing is the bridge be higher and later plan to have a road bridge beside the rail bridge . Tony from hot down under
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  3. Like to announce that the bridge construction is now finished at long last, being at it for 5 years trying different designs and came up with my own and wow she worked, still need to modify the bridge piers raising them to 2 feet from 19 inches, easy task. At the moment I am involved in the Queensland state election , on pre-poll and election day, no work on the bridge and layout till after the election 31st of October, I may get to do some track laying on the bridge the weekend, which I have off . And that will depend on the weather , very overcast and storm predicted today as well, r
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  4. At long last the bridge constructing is finished other than sand the top of the arch square and tiding up the underneath of the arch ready for painting, it has being a long while since I started this thread , March 2018 with different designs till I came up with this one . Yes it is a heavy bridge bridge to move on my own from where it is in the garage, I plan to make a small trolley that will clip in underneath the bridge. The bridge still is call the Cam river bridge after my late son, since Camdale was renamed, bridge has a 14 foot main span with a height of 6 foot from water lin
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  5. The bridge has come a long way with many design changes , finely took out the arch support post in the middle of the arch , was very surprised that it was easy to drill the holes for the arch hangers, am happy that the arch has actually worked , the main span is 14 feet and where the saw horses are is where the piers be going,. That is the next job adding and extra 5 inches for 2 foot clearance to the water line . Thursday I will buy 4 more lengths of 9 mm round dowel , though I get three hangers out of one length. Have being busy last week , gravel is in ready for the rest of
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