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Offline jimwallace1652  
#1 Posted : 24 May 2017 00:57:49(UTC)
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jimwallace1652

United States   
Joined: 20/08/2013(UTC)
Posts: 36
Location: usa
Need recommendation on type/brand/etc of micro switch to use to cut off power from Marklin transformer to M track when lift out gate is removed.

In short, Do not want engine and cars to run onto floor when gate is removed. That would be bad !

Many options on internet. Think micro switch with lever and roller is best.

Any ideas?

Thank you

Jim
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Offline analogmike  
#2 Posted : 24 May 2017 02:43:50(UTC)
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analogmike

United States   
Joined: 02/08/2014(UTC)
Posts: 739
Location: NEW JERSEY, USA
Hi Jim,
The last draw bridge I built I used brass loose leaf clips for contactors.
They seem to be quite reliable but you must locate them where they won't get damaged.
Mikey
new bridge 1 008.JPG
I love the smell of smoke fluid in the morning .
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Offline michelvr  
#3 Posted : 24 May 2017 03:23:04(UTC)
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michelvr

Canada   
Joined: 06/07/2012(UTC)
Posts: 1,287
Hello Jim,

I'm using middle hinged micro switchs for my swing bridge. I wired it so that the last three feet of the approaching track power is cut when the swing bridge is open. That way even if I'm running fast the train will stop!

Brands? My advise, spend the extra trains cost too much!ThumpUp

The reason for the middle hinged micro switch is so that there is a modest amount of pressure on the switch, not full closed on the switch as that will damage the plastic pin over time.

I'll upload pictures tomorrow.


Michel

Edited by user 24 May 2017 14:14:04(UTC)  | Reason: Not specified
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Offline michelvr  
#4 Posted : 24 May 2017 14:15:48(UTC)
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michelvr

Canada   
Joined: 06/07/2012(UTC)
Posts: 1,287


I have no idea why they are sideways, orignals orientated correctly!

Michel
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Offline waltklatt  
#5 Posted : 24 May 2017 15:42:38(UTC)
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waltklatt

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Joined: 17/03/2012(UTC)
Posts: 138
Might help if you tell us how many trains will be running simultaneously through the same track you plan to open up.
If you stop one, then the next will run into the back or front of the stopped train.
Might be better to have all trains stop.
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Offline jimwallace1652  
#6 Posted : 24 May 2017 17:09:59(UTC)
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jimwallace1652

United States   
Joined: 20/08/2013(UTC)
Posts: 36
Location: usa
One engine
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Offline Minok  
#7 Posted : 24 May 2017 19:19:33(UTC)
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Minok

United States   
Joined: 15/10/2006(UTC)
Posts: 2,311
Location: Washington, Pacific Northwest
Originally Posted by: waltklatt Go to Quoted Post
Might help if you tell us how many trains will be running simultaneously through the same track you plan to open up.
If you stop one, then the next will run into the back or front of the stopped train.
Might be better to have all trains stop.


Good point. Though if he's using S88 to ensure the section is clear before letting another train enter the stop region (which would still work even if the power to the center pickup is cut, right?) then the other trains should not be let in anyway. Having the switches drive a signal which is enforced on track seems like a good solution.
Toys of tin and wood rule!
---
My Layout Thread on marklin-users.net: InterCity 1-3-4
My YouTube Channel:
https://youtube.com/@intercity134
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Offline Minok  
#8 Posted : 24 May 2017 19:31:26(UTC)
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Minok

United States   
Joined: 15/10/2006(UTC)
Posts: 2,311
Location: Washington, Pacific Northwest
Originally Posted by: michelvr Go to Quoted Post

I have no idea why they are sideways, orignals orientated correctly!

Michel


I've seen this before; the photos have meta data that indicates which side of the image is "UP" for proper display but some applications don't make use of that (or plain ignore that data in the image file, if its even there). Eg Microsoft's Windows Photo Viewer ignores the data that the cell phone camera has stored in the image. There should be an orientation tag in the EXIF data in the image if the camera (and it sounds like it does) has the ability to know which way is UP.

But it requires the viewer (in our case the website/web browser) to access an interpret that value and rotate the image before displaying it. And, like with MS Windows Photo Viewer, doesn't always happen.

https://www.howtogeek.co...ppear-correctly-rotated/


Toys of tin and wood rule!
---
My Layout Thread on marklin-users.net: InterCity 1-3-4
My YouTube Channel:
https://youtube.com/@intercity134
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