Here is the video I promised of our water gardens. It starts at where we are going to put the town and goes to the bog a small stream to the small pond and water fall under the bridge to the next stream and another water fall to the big pond. The last stream goes through our stone patio with a flat stone for a bridge.
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Test run with second tunnel 5/1/2024
I laid some track today and started working on the second tunnel, still have to put ballast in and more rocks on the mountain. There is a gravel bank about 5 miles from me that should have some thing that will work, get it loaded in my trailer and off I go. Be a couple days before I get to do that, I have to work on our camper to be ready to go in a couple weeks.
With tunnels try to use the longest track you have so your not trying to fiddle with joints in the middle …
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I did, 60 inch USA train track in the tunnel. 
Tunnel is about 40 inches.
Video: Video is now required
stuck_out_tongue_winking_eye:
[First loop video 5/26/2024](May 26, 2024 https://youtu.be/7zCO32L_c1U)
Not the best but here it is. I will take a better one next time I have the trains out running.
Laid some more track. Ordered some curves to finish the loop. Hope to test run today and will post a video.
[Switches are working. ](G scale track switches. https://youtube.com/shorts/jQhV-SXX_JY?feature=share)
Got the track switches working. They are fussy, the track leading to the switch was twisted, keeping the switch from working. They also short out if you try to go through them when they are not switched the right way. 
We are going to have a stream though our village this is where it is going to start. There will be a water wheel and grist mill there.
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How fun! Great work, Mark!
I’ve never seen an overshot wheel work that way, usually the trough goes over and lightly past the top center, so as to get the best use of gravity. But I’ll bet there are prototypes using your method, so I’ll admit ignorance here!
Keep at it, your layout’s looking great.
Cliff
Cliff, I believe that’s called an undershot wheel.
Quit screwing around wasting water and get back to work finishing that stream!
A undershot wheel is more efficient because the bottom of the wheel is going
in the same direction as the water in the stream, that is what my research has
shown when I was looking for ideas on wheel design.
The stream is my wife’s responsibility, she volunteered. 
Well, I’ve just learned something - I always had the overshot image in my head too.
Great build, thanks for posting Mark. Looking forward to the final installation.
Cheers
N
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I’ve only seen undershot wheels having the current being in a channel beneath the wheel.
But heck this makes sense, using the backside blades like that.
Learning something new every day… 
Oh, boy, a cliffhanger!