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T O P I C    R E V I E W
David J Buchholz Posted - 12/20/2015 : 09:52:10 AM
This will be my first attempt at uploading a resized photo to the forum.

I've been inactive in the hobby for over thirty years. Now as I near retirement, the bug has bit again. I'm actually starting to build some of those kits on the shelves.

While in the USAF in the erly 1970's I was stationed in San Antonio. There was a layout at Lackland AFB above the bowling alley. I met several modelers who would become inspirations to me. I hung around with Miles Hale, Dick Schaeffer, Bob Clark and John Lawrence. They got me hooked on Shays and HOn3.

So without further adoo, here's my trackplan for the North Coast Railroad, Great Lakes based shortline. I was influenced by the real Buffalo harbor. The Bar Mills "Wharf Street" The C&D Railroad (featured on this forum) and Troells Kirk

15   L A T E S T    R E P L I E S    (Newest First)
David J Buchholz Posted - 02/17/2019 : 9:13:26 PM
Apparently the was a data crash here on the forum over the last 48 hours, as several topics are missing posts, including this one.

I have finished the turnout controls and LEDs for the harbor control panel. for awhile. Here's the "final" results using the 25 pin "D" computer connectors.

Although it still needs block wiring, I'm burned out on wiring for awile, and will be headed to the 2019 Tribute challenge to pay homage to two great modelers.

Michael Hohn Posted - 02/11/2019 : 12:07:23 AM

You’ve selected an interesting way to do this with the center off switches. My assumption is that the Tortoise machines hold their position until polarity is reversed.

David J Buchholz Posted - 02/10/2019 : 8:16:24 PM
The harbor control panel now has all the turnout direction LEDs in place and wired up. Having use DPDT switches with center off made the results interesting.

You can see the increased volume of wire in this shot, compared to the previous pics. It still requires the pairs on wires going out to each Tortoise turnout motor to be added.

So here's a shot with the Whole thing lit up like a Christmas tree. You can see the intended path coming into the area from the top left down to the bottom right by following the green lights.

Here's the trick of what I have wired in by using DPDT with center off. AS can be seen in the next two shots, if they are centered to make all lights off, it becomes incredibly easy to see routes.

The machines are not yet hooked to see if the rails will hold position using the center off position, no power to the Tortoise, or if they will cause issues.
David J Buchholz Posted - 02/08/2019 : 12:34:50 PM
Frank, yes it took a long time. I watched Harry Potter and the Deathly Hallows, parts 1 & 2.
Carl B Posted - 02/08/2019 : 11:22:06 AM
Nice work on the electrical David.
Frank Palmer Posted - 02/08/2019 : 10:41:55 AM
Wow David. Very impressive. Erasing in Paint is a long tedious job, well done.
David J Buchholz Posted - 02/08/2019 : 10:23:04 AM
Greg, very true, Wiring is one of the least satisfying, but most important part of a model railroad. Otherwise it is a diorama.

Thanks for your continued interest.

Bernd Posted - 02/08/2019 : 08:15:15 AM

Nice and neat wiring, not looking like a rats nest like some I've seen. Even thought the handle on the toggle gives direction it's nice to have another indicator when your not looking straight on to the control panel.

Ensign Posted - 02/07/2019 : 11:11:43 PM
David, nice work on your panel.
I bet your glad to have that job almost finished.

Greg Shinnie
David J Buchholz Posted - 02/07/2019 : 9:50:52 PM
Haven't had much ambition lately to get much done. Been sleeping in and going to bed early.

But tonight I got my butt downstairs to continue wiring. What looks simple on wiring diagram versus reeaal life are two different things.

Here's a snapshot update of all the power and grounds for all the turnout switches (DPDT center off) and LEDs.

... and all of that work was so when the switch is flipped all the LEDs flip color to indicate which way the switch is thrown.

Note the pair of LEDs have reversed color.

This is the final Schematic for wiring. For power I am using a 6 volt DC Eldon transformer (slot cars from the 60's)

Michael Hohn Posted - 01/27/2019 : 10:01:38 AM
Very neat and clean; your panel looks easy to use, more intuitive than diagrammatic ones.

Bernd Posted - 01/27/2019 : 08:38:19 AM

Neat way of making track outlines on a panel. I like it.

David J Buchholz Posted - 01/26/2019 : 6:15:32 PM
I happen to have a vinyl cutter from when my son had an auto repair business, I used it to get the exact outline of the harbor area onto the control panel.

First was getting a picture of the actual trackage.

Next was opening up the photo in PAINT and whiting out, erasing the background.

Next was turning the trackage into black and sending it to the vinyl cutter, then applying the transfer paper.

Once uploaded to the cutter software, I could cut the design into whatever color vinyl I had handy. I choice to cut white and mounted it on masonite painted black. I drilled holes at the center of the turnouts, and mounted the DPDT switches and LEDs in the path of the turnouts.

This the start of the wiring process, with brass strips for the power and ground busses.

David J Buchholz Posted - 01/26/2019 : 09:17:27 AM
Probably to remove kidney stones.
Bernd Posted - 01/26/2019 : 09:05:15 AM
Perhaps by the next RIT show Dave will be able to have an operating session.


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