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'Updah Creek' - A Bit Of On30 Imagineering
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 Posted: Wed Aug 8th, 2018 08:47 pm
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Reg H
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Lee:

I work in Grays Harbor County.  It was 77 when I left work and 91 when I got home to Shelton.  

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 Posted: Wed Aug 8th, 2018 11:40 pm
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slateworks
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Thanks for the kind comments chaps. And AC in the house - in the UK - you must be joking - almost unheard of! Mind you, we have been sitting in the car for a while with the AC full blast there, very refreshing for body and soul!



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Updah Creek http://www.freerails.com/view_topic.php?id=7457&forum_id=4&page=1
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 Posted: Fri Aug 10th, 2018 03:23 pm
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W C Greene
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Doug, I need a/c in the garage with my layout...otherwise it might be 98 degrees or more and you can imagine what heat does to code 83 rail, much less what it does to a 70 year old dealing with track problems all the time!

Woodie-loves that cool indoor air (we have had some 100-110 degree days lately)



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 Posted: Fri Aug 10th, 2018 04:06 pm
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slateworks
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Well Woodie, I guess it's been proportionately as hot here as where you are compared to normal expectations and Updah has the same track expansion issues. Nothing dramatic but a very slight movement in, of course, the most inaccessible spot which causes driver slip on the grade and means only lightly loaded trains operate at the moment.

No doubt things will contract to their original setting when the ambient temperature has had a chance to return to normal and I guess one of this winter's exercises will be to think about making expansion cuts in the rail in preparation for our probable hotter summers in future.

Who said a layout was ever finished?!!! :us:



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Updah Creek http://www.freerails.com/view_topic.php?id=7457&forum_id=4&page=1
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 Posted: Mon Aug 13th, 2018 08:55 pm
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Reg H
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I am lucky to have a basement in which to build my layout.  The temperature stays pretty constant year around. 

My shop is a different story.  The shop is in a single car garage with a metal garage door on the south wall. 

If the temperature gets much above 75 degrees I get chased out of there around 10:00 AM.

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 Posted: Fri Aug 17th, 2018 01:55 pm
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slateworks
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As has been seen earlier, Fraser Morton is practicing his harmonica riffs in expectation of being invited to play at the Country Music festival as he rides the crew car.


r (9-1) by slateworks, on Flickr 

So, me being a gizmo freak, the latest bit of nonsense in Updah is to try to let him be heard. In the first instance a greetings card recordable sound module was purchased at the exorbitant cost of £1.85 ($2.35) on which a 30 second track can be imposed.


s-l1600 by slateworks, on Flickr 

I found a convenient 30 second track on the 'net and successfully uploaded it to the module then removed the speaker and reconnected it, having given it a proper enclosure and the quality and volume of the sound has improved dramatically. 



DSCN0433 by slateworks, on Flickr 

This unit is a light sensitive one and although it works OK, a manually operated version would be more reliable so, in view of the minimal cost, I've treated myself to a double button version which is somewhere on a slow boat from China.


s-l1600 (1) by slateworks, on Flickr 

The idea is that, as the crew car approaches Updah's small station, Fraser will be heard playing and getting louder, continuing for the full 30 seconds or such shorter time as befits my mood and in any event, ceases as the crew car leaves. I'm playing with  the idea of using latching reed switches and magnets to activate and deactivate the module with the magnet attached somewhere on the crew car trailer and the reed switches on the approach to the station and then either in the station roof or further down the track.
The reed switches would be connected to the "play" button and possibly to the power cells as an on/off switch but the detail I've yet to work out. As I said, another bit of Updah nonsense but it's all good fun!



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Updah Creek http://www.freerails.com/view_topic.php?id=7457&forum_id=4&page=1
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 Posted: Tue Aug 21st, 2018 03:05 pm
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slateworks
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As my experience with reed switches is zip, I've been carrying out some experiments using a track based switch and acquired the latching version from layouts4u and normally open standard ones for pennies from eBay. I acquired some neodynium magnets from an eBay seller but not being sure how powerful they are, bought a selection where for a fiver I got ten each of 4mm x 3mm, 3mm x 2mm and 2mm x 2mm round discs. They're N35s so not the strongest and I wasn't sure how reactive they'd be at distance.
I tried a hand held test first to see how near the magnets needed to be to the reed switches, decided that the 4mm x 3mm was the one to use and installed one in the nose of the crew car and one with opposite pole down on the rear coupler draft gear box of the trailer.



DSCN0458 by slateworks, on Flickr



DSCN0459 by slateworks, on Flickr

I then connected wires to one of the latching reed switches and temporarily secured it on a convenient length of Updah's track.


DSCN0456 by slateworks, on Flickr

This was then connected to my LED tester and a spare LED to form a basic test bed.


DSCN0457 by slateworks, on Flickr

The combined crew car and trailer were then pushed over the track and - bingo - we had light!

https://youtu.be/uV_-cAs5Mqk

This means that if the "play" switch on the awaited sound module is connected instead of the LED, I should have a setup where Fraser's harmonica playing can be switched on automatically as he approaches the station and off as the crew car leaves - assuming that's within 30 seconds, the duration of the recording! Only attachment to the sound module itself will tell of course but my hopes are reasonably high. I now also need to work on a method of switching the power on and off too to conserve battery life and for the occasions when I don't want Fraser to be heard.



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Updah Creek http://www.freerails.com/view_topic.php?id=7457&forum_id=4&page=1
My Flickr albums https://www.flickr.com/photos/33431492@N04/albums
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 Posted: Tue Aug 21st, 2018 03:19 pm
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Reg H
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Cool.

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 Posted: Tue Aug 21st, 2018 03:32 pm
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slateworks
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Thanks Reg. Well, it could be if it actually works when the time comes!I've yet to prove it in practice!



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Updah Creek http://www.freerails.com/view_topic.php?id=7457&forum_id=4&page=1
My Flickr albums https://www.flickr.com/photos/33431492@N04/albums
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 Posted: Tue Aug 21st, 2018 05:32 pm
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Reg H
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It is a creative solution.  Years ago some folks were using the magnet/reed switch combination to turn battery powered lights off and on in passenger cars.

I haven't seen it used since then.  

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