A stream for the Elderbury & District Light Railway

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FWLR
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Re: A stream for the Elderbury & District Light Railway

Post by FWLR » Tue Oct 16, 2018 10:37 am

Brilliant Phillip, It’s going to be a winner for sure.
Rod

Life is so easy when I run my trains. :thumbright:


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FWLR
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Re: A stream for the Elderbury & District Light Railway

Post by FWLR » Tue Oct 16, 2018 10:37 am

By the way, what pump are you going to be using…
Rod

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Re: A stream for the Elderbury & District Light Railway

Post by philipy » Tue Oct 23, 2018 8:38 am

FWLR wrote:
Tue Oct 16, 2018 10:37 am
By the way, what pump are you going to be using…
Rod,
Sorry only just realised you asked a question.
It's a Blagdon 'Force Hybrid 5000'

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Re: A stream for the Elderbury & District Light Railway

Post by FWLR » Tue Oct 23, 2018 9:25 am

Thanks Philip…It’s got some great reviews….
Rod

Life is so easy when I run my trains. :thumbright:


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Re: A stream for the Elderbury & District Light Railway

Post by philipy » Fri Nov 02, 2018 3:03 pm

Some small progress. A few days go I managed to check and adjust the stream bed levels so today I took advantage of the nice weather to lay a temporary polythene liner and run the pump just to see it all working. As you'll see I need to adjust the top end to give myself a little more headroom, but other than that it all seems satisfactory. The plan is to remove the polythene and use it as an approximate template for the real liner, it should be a lot easier to cut it flat on the lawn rather than draped around the plants.

BTW, the bells at the beginning are not the opening of The Hunchback of Notre Dame, just that SWMBO has some wind chimes hanging there which kept catching my head!

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Re: A stream for the Elderbury & District Light Railway

Post by LNR » Fri Nov 02, 2018 10:30 pm

Nice one Philip, that works well. I like the sound effects too, both the gurgling water and the bells.
Grant.

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Re: A stream for the Elderbury & District Light Railway

Post by FWLR » Sat Nov 03, 2018 8:02 am

Excellent job there Phillip. It’s sounds just right too.

Would you need to put some kind of a grill in the system so has to keep bits of rubbish flowing out of the Manifold.
Rod

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Re: A stream for the Elderbury & District Light Railway

Post by ge_rik » Sat Nov 03, 2018 8:20 am

Looking good, Philip. That manifold works a treat!

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Re: A stream for the Elderbury & District Light Railway

Post by Lonsdaler » Sat Nov 03, 2018 9:03 am

Nicely done Philip.
You're tempting me to rethink the blue slate simulated River Greta! :scratch:
Phil

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Re: A stream for the Elderbury & District Light Railway

Post by tom_tom_go » Sat Nov 03, 2018 10:14 am

I can already hear the trickle of water with the exhaust beat of a loco already, lovely.

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Re: A stream for the Elderbury & District Light Railway

Post by philipy » Sat Nov 03, 2018 11:04 am

Thanks chaps.
I bit the bullet and ordered a larger dustbin/sump last night. The 50 litre one is full to the brim when the pump is off and it all runs back, and the pump tends to gurgle when its running because there is only just enough of a reservoir. It was Ok when I first did it, but then of course I decided to extend it by about 4ft....!

Rod, the pump normally sits in a filter housing which I've removed atmn, but will be refitted when it's all finished. That leaf actually got sucked in when the water line syphoned back and then got ejected again when I switched back on.

Phil, It's easy for me to say, but from the pictures of your line, it doesn't look as though it would be too much of a job to convert.

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Re: A stream for the Elderbury & District Light Railway

Post by Soar Valley Light » Sun Nov 04, 2018 6:19 pm

Great work Phil. You set me thinking again about the possibilities for my Charnwood Forest line. It may be the thing that kicks me into any sort of action! Between you and Rik I really do fancy the idea. I'd never considered the problem of the volume of water in the system and the need to have the capacity to hold it all in one place when the system isn't running.

THat's one of the greatest things about this forum, the things that you may not have considered will almost certainly have been pondered by someone else - and it's all freely shared.

Now, let me see where I could weave a stream into the garden...................

All the best,

Andrew
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"'cause I can't manage on three gaffer!"

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Re: A stream for the Elderbury & District Light Railway

Post by philipy » Sun Nov 04, 2018 8:08 pm

Soar Valley Light wrote:
Sun Nov 04, 2018 6:19 pm
I'd never considered the problem of the volume of water in the system and the need to have the capacity to hold it all in one place when the system isn't running.
It did catch me somewhat by surprise when it really shouldn't have done! The thought had crossed my mind some while ago, but 50 litres seemed like an awful lot of water just thinking about it, and I took it no further.
Calculating the capacity of the static supply pipe is relatively simple, but calculating the volume held in the flowing stream is at best an educated guess. Then it needs to add the volume necessary to still cover the pump to at least it's minimum depth when the rest of the system is full. Then plus some extra capacity for leakage etc. Finally, I have the problem of this thick heavy clay and the difficulty of fitting a big hole between existing tree and shrubbery roots, all of which encouraged me to keep the bin no bigger than it had to be. As I said, the early test seemed to be Ok, but adding an extra 4ft of stream made an apparently huge difference.

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Re: A stream for the Elderbury & District Light Railway

Post by FWLR » Mon Nov 05, 2018 8:03 am

Hi Phillip, it did look funny when the leaf popped out of the manifold. Didn’t think you would run without a filter.
The extra run you have put in does make the stream a lot more scenic though Phillip.
If I had the room, there would be one on our line also. Anne loves to see running water, especially over rocks like a waterfall.
Soar Valley Light wrote:
Sun Nov 04, 2018 6:19 pm

That's one of the greatest things about this forum, the things that you may not have considered will almost certainly have been pondered by someone else - and it's all freely shared.

Now, let me see where I could weave a stream into the garden...................

All the best,

Andrew
Couldn’t agree more with Andrew’s comment. And the last sentence also………
Rod

Life is so easy when I run my trains. :thumbright:


https://gardenrails.org/forum/viewtopic ... 41&t=11364

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Re: A stream for the Elderbury & District Light Railway

Post by Lonsdaler » Mon Nov 05, 2018 9:43 am

philipy wrote:
Sun Nov 04, 2018 8:08 pm

Calculating the capacity of the static supply pipe is relatively simple, but calculating the volume held in the flowing stream is at best an educated guess.
A 'rough and ready' formula from my days in the Fire Service, when trying to work our how much water a lake or pond held was surface area in metres squared, multiplied by 2/3 average depth in metres, multiplied by 1000 for total litres available (and yes, the fire service was completely metric even in the late '70's!)

Of course, you'd have to scale it down a bit! :lol:
Phil

I am not young enough to know everything anymore...

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