Author Topic: Free-moNebraska  (Read 46333 times)

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Mark W

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Re: Free-moNebraska
« Reply #375 on: February 13, 2019, 10:09:10 PM »
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I'm not surprised at all - Mark is a damn good modeler, and not bad at Photoshopping too.  Maybe, in my mind,  I gave Mark more credit than he deserves (about his micro-modeling abilities).  :trollface: :trollface: :D

Well I'll happily accept whatever credit is given!  But yeah, illuminated N Scale crossing arms are probably more of the latter there...   for now!  8)





@C855B, that's almost the exact thoughts I have for a PBC crossing arm!  I wonder if one could be fashioned from a PBC turnout tie...
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peteski

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Re: Free-moNebraska
« Reply #376 on: February 13, 2019, 10:13:02 PM »
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Well I'll happily accept whatever credit is given!  But yeah, illuminated N Scale crossing arms are probably more of the latter there...   for now!  8)





@C855B, that's almost the exact thoughts I have for a PBC crossing arm!  I wonder if one could be fashioned from a PBC turnout tie...

Those are 1/16" - way too thick for anything resembling close-to-scale N scale gate.  I have some 0.010" copper-clad PC board material that woudl be more suitable. Flexible PC board material would probably be even better.
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Lemosteam

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Re: Free-moNebraska
« Reply #377 on: February 14, 2019, 07:36:59 AM »
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Those are 1/16" - way too thick for anything resembling close-to-scale N scale gate.  I have some 0.010" copper-clad PC board material that woudl be more suitable. Flexible PC board material would probably be even better.

Except the fact that, well, its flexible?? :D

Mark W

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Re: Free-moNebraska
« Reply #378 on: February 14, 2019, 10:03:33 AM »
+2
Here's one that's not 'shopped.  BNSF uses these little Kubota Utility Vehicles to scoot all around through Hobson Yard.  At night, you can see several flickering fire flies as you cross over HWY77.

I'll be adding the flashing via Arduino Trinket board tonight, then hope to mount one or two in Hobson Yard tomorrow during setup for the Lincoln Model Train Show this weekend!


https://i.imgur.com/Kvrz8HK.jpg
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Ed Kapuscinski

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Re: Free-moNebraska
« Reply #379 on: February 14, 2019, 12:08:07 PM »
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peteski

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Re: Free-moNebraska
« Reply #380 on: February 14, 2019, 04:56:14 PM »
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Except the fact that, well, its flexible?? :D

I was thinking of gluing the circuit board to the existing NJ International brass gate, rather than making the gate itself out of the PC board.  Properly modeled gates are constructed from 2 thin pieces shaped like a very long "V".
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C855B

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Re: Free-moNebraska
« Reply #381 on: February 14, 2019, 05:33:20 PM »
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... Properly modeled gates are constructed from 2 thin pieces shaped like a very long "V".

Depends on the period being modeled. I haven't seen that style in years; not that there are none, just not in my neighborhoods. Modern gates are telescoping aluminum or fiberglass rectangular tubes, and would be pretty close to spot on with a 0.010" x ~0.030" strip of PCB.
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peteski

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Re: Free-moNebraska
« Reply #382 on: February 14, 2019, 05:57:53 PM »
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Depends on the period being modeled. I haven't seen that style in years; not that there are none, just not in my neighborhoods. Modern gates are telescoping aluminum or fiberglass rectangular tubes, and would be pretty close to spot on with a 0.010" x ~0.030" strip of PCB.

You're right - Ed's Law applies here.
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Mark W

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Re: Free-moNebraska
« Reply #383 on: February 16, 2019, 08:57:05 PM »
+2
We're set up at our home town train show, running cool trains with great looking operators! 8) 8)


https://i.imgur.com/Ya73Uie.jpg



https://i.imgur.com/9XPGNJT.jpg


Love the classics too!

https://i.imgur.com/VXZ4fTd.jpg

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Mark W

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Re: Free-moNebraska
« Reply #384 on: February 18, 2019, 09:40:10 AM »
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Those are 1/16" - way too thick for anything resembling close-to-scale N scale gate.  I have some 0.010" copper-clad PC board material that woudl be more suitable. Flexible PC board material would probably be even better.

Here's a N Scale Turnout Tie compared with the NJ Crossing Arms.  Yes, a over size compared to the prototype, but if it lights up and moves, it'll still be a winner.
At the very least, it will be great for proof of concept. 


https://i.imgur.com/Ub3TVuo.jpg


https://i.imgur.com/FPWJ0az.jpg
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Philip H

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Re: Free-moNebraska
« Reply #385 on: February 18, 2019, 01:55:22 PM »
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is that clad on both sides? if so that would solve your wiring issues.
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Re: Free-moNebraska
« Reply #386 on: February 18, 2019, 04:05:27 PM »
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You can pick up much thinner double-sided copper clad material. It can be cut with scissors, or even better if you have a metal shear.

https://www.goldmine-elec-products.com/products.asp?dept=1034
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DKS

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Re: Free-moNebraska
« Reply #387 on: February 18, 2019, 04:09:44 PM »
+1
I left the brass gates intact, filed off the dummy lights, and soldered one terminal of SMD LEDs directly to the arm. Then I soldered ultra-fine solenoid wire to the other terminals on the LEDs, and glued the wire to the back of the arm.



BTW, those are 0402s. I made these back around 1998, long before 0201s existed. And the flashing lights were scratchbuilt.

 
« Last Edit: February 18, 2019, 04:28:22 PM by David K. Smith »
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peteski

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Re: Free-moNebraska
« Reply #388 on: February 18, 2019, 06:17:10 PM »
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I left the brass gates intact, filed off the dummy lights, and soldered one terminal of SMD LEDs directly to the arm. Then I soldered ultra-fine solenoid wire to the other terminals on the LEDs, and glued the wire to the back of the arm.

BTW, those are 0402s. I made these back around 1998, long before 0201s existed. And the flashing lights were scratchbuilt.

That was also the method I was planning on using back in the early 90s (when I attempted making my own small LEDs).
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Lemosteam

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Re: Free-moNebraska
« Reply #389 on: February 22, 2019, 06:52:33 AM »
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You can pick up much thinner double-sided copper clad material. It can be cut with scissors, or even better if you have a metal shear.

https://www.goldmine-elec-products.com/products.asp?dept=1034

Is there a single copper sided version of the product that you have found?