Sawmill boiler house

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ge_rik
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Re: Sawmill boiler house

Post by ge_rik » Thu Jul 05, 2018 8:51 pm

Just been experimenting with a smoke unit for the boiler house, following the excellent guidance on Dave Bodnar's website - http://trainelectronics.com/Animation_Smoke/



URL - https://youtu.be/qeKCpGfyUlE

Many thanks to Gregh for alerting me to this info.

Not quite there yet - it's a balance between getting a good amount of smoke and making sure it's projected upwards. This video is unlisted as it's onlyexperimental so far - will post a public one when I'm satisfied with the outcome.

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Re: Sawmill boiler house

Post by jim@NAL » Thu Jul 05, 2018 10:40 pm

Fantastic looking building and I love the smoke looks great

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Re: Sawmill boiler house

Post by philipy » Fri Jul 06, 2018 6:19 am

Many years ago I experimented with a Seuthe smoke unit. I found that glycerine worked quite well but did tend to leave an oily residue on everything the smoke landed on. The trouble is that synthetic smoke particles tend to be heavy and settle quickly, rather than going up and away, and I see signs of that in your video. I'll be interested to see how you overcome that.

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Re: Sawmill boiler house

Post by bazzer42 » Fri Jul 06, 2018 7:02 am

Think you've surpassed yourself there Rik. The buildings were crackers before painting but painted they are something else! Top notch.

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Re: Sawmill boiler house

Post by FWLR » Fri Jul 06, 2018 7:10 am

Just been catching up with threads since our house move is now coming to an end, (Just the Garage to finish sorting) and your build is one of exceptional talent indeed Rik…there is no way I could get close to what you have done. The bricks are all inline and perfect from where I am, I feel has though my little efforts on my rolling stock builds are not that good now…..

BRILLIANT Boiler house and Water Tower Rik, please show more of your builds and one day I may have a go at doing one myself.

For inside the Boiler house Rik, maybe a Boiler Door half open and a small red or yellow LED for a glow might work.
Rod

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Re: Sawmill boiler house

Post by ge_rik » Fri Jul 06, 2018 8:11 am

philipy wrote:
Fri Jul 06, 2018 6:19 am
Many years ago I experimented with a Seuthe smoke unit. I found that glycerine worked quite well but did tend to leave an oily residue on everything the smoke landed on. The trouble is that synthetic smoke particles tend to be heavy and settle quickly, rather than going up and away, and I see signs of that in your video. I'll be interested to see how you overcome that.
Hi Philip
Yes, I'm using glycerine as well (which I believe is the basis for e-cig 'juice'). In the final clip you'll see I've managed to project the smoke upwards, by lengthening the output tube. However, if the tube is longer, the glyerine condenses in the tube, so I'm trying to find the optimum length for the tube.

More info about the approach on Dave Bodnar's video.


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tom_tom_go
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Re: Sawmill boiler house

Post by tom_tom_go » Fri Jul 06, 2018 10:28 am

Put a fan in the boiler house to blow it upwards?

You would only need a little PC CPU fan...

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Re: Sawmill boiler house

Post by GTB » Fri Jul 06, 2018 11:43 am

ge_rik wrote:
Fri Jul 06, 2018 8:11 am
However, if the tube is longer, the glyerine condenses in the tube, so I'm trying to find the optimum length for the tube.
The 'smoke' generated by Suethe units, etc. is actually small droplets of liquid suspended in air (an aerosol), rather than solid particles like smoke, so any surfaces it touches will end up wetted with whatever is used for the working fluid.

The fog machines used for special effects on stage and screen have an internal heating tank and use a small fan to blow the resulting aerosol out of the exhaust. Here in Oz, Jaycar sell a small 400w unit for under $100. From memory they use a glycol/water solution as a working fluid.

Regards,
Graeme

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Re: Sawmill boiler house

Post by ge_rik » Fri Jul 06, 2018 3:14 pm

The unit I've built, following Dave Bodnar's guidance, includes a small air pump to simulate the sucking of an e-cig, except that it's arranged to blow over the heating element.
IMG_7965-labelled-small.jpg
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Re: Sawmill boiler house

Post by FWLR » Sat Jul 07, 2018 7:37 am

ge_rik wrote:
Fri Jul 06, 2018 3:14 pm
The unit I've built, following Dave Bodnar's guidance, includes a small air pump to simulate the sucking of an e-cig, except that it's arranged to blow over the heating element.
IMG_7965-labelled-small.jpg

Rik
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Rod

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

🚂🚃🚃🚃🚃🚃🚃🚃🚃🚃

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

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Re: Sawmill boiler house

Post by ge_rik » Sat Jul 28, 2018 10:30 am

Now blogged the construction of the boiler house - in case anyone else fancies a go at making a foamboard building. Hopefully you can avoid some of my mistakes. :?
https://riksrailway.blogspot.com/2018/0 ... e-for.html

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Re: Sawmill boiler house

Post by philipy » Sat Jul 28, 2018 11:04 am

Excellent write up Rik.

FYI, you've got a slight typo in the very first para. - the link to your Water Mill construction blog is in the wrong place. Hope you don't mind me mentioning it?

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Re: Sawmill boiler house

Post by ge_rik » Sat Jul 28, 2018 12:34 pm

philipy wrote:
Sat Jul 28, 2018 11:04 am
FYI, you've got a slight typo in the very first para. - the link to your Water Mill construction blog is in the wrong place. Hope you don't mind me mentioning it?
Not at all, Philip. Glad you spotted it. Even though I check, something always seems to slip through.
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Re: Sawmill boiler house

Post by bazzer42 » Sun Jul 29, 2018 9:44 am

Nice write up Rik, I'm so torn between scribing or plasticard bricks for my next build...will have some corrugated either way 😀

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Re: Sawmill boiler house

Post by philipy » Sun Jul 29, 2018 11:05 am

bazzer42 wrote:
Sun Jul 29, 2018 9:44 am
Nice write up Rik, I'm so torn between scribing or plasticard bricks for my next build...will have some corrugated either way 😀
Scribing is much easier than plasticard bricks, IMO.

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