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Finally sat down and deciphered Lionel's wiring and instructions for the D-27 disappearing train. Construction changed of this layout from inception to common construction as it was originally described as coming in as 3 separate assemblies to bolt together. Also previously published dimension given have been off before. Anyone interested I will have a list of parts and how to on duplicating exactly this display.

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I deciphered the written instructions and am making a reproduction of the paper work plus an expanded wiring diagram and discussion. Hopefully start on the hidden loop this week as time permits. COnstruction will use all original techniques, down to felt and hide glue for tunnel and casein based paints for the coloring of the mountain and original 919 grass. I am also reproducing the gondola consist with silver, yellow, red 1002 gondolas for the full effect!

This display seems to have some of the best joinery work I had seen on Lionel Displays, may be because was in 1949/1950 and likely had skilled labor making these (one display I have from same time period actually has a marking stating made by union labor. Later construction was simplified and sheets of plywood simply nailed to top of box made of 1x4's.  But the D-27 is a challenge as there are some colse tolerances to be maintained.

20170214_22010620170214_23242720170214_230812

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  • 20170214_220106: Construction details showing rabbet joint (edge) and 1/4 round lip.
  • 20170214_232427
  • 20170214_230812
Jagrick posted:

COnstruction will use all original techniques, down to felt and hide glue for tunnel and casein based paints for the coloring of the mountain...

That (casein paints) is a new one on me. Just did some googling. Interesting and must be responsible for that distinctive look one sees on many of the mountains/tunnels on the display layouts.

This sounds like an exciting project!

 

Last edited by johnstrains
@Jagrick posted:

I deciphered the written instructions and am making a reproduction of the paper work plus an expanded wiring diagram and discussion. Hopefully start on the hidden loop this week as time permits. COnstruction will use all original techniques, down to felt and hide glue for tunnel and casein based paints for the coloring of the mountain and original 919 grass. I am also reproducing the gondola consist with silver, yellow, red 1002 gondolas for the full effect!

I'm about put the Lionel disappearing track on my new layout extension. Looks easy and very straightforward except the one fiber pin I circled with highlighter... I understand the other pins are used for creating different speeds for an ascending and descending train, and that the block section in the lower right corner is to be used as a starting block, but what is (what I would consider) an extra fiber pin in the middle of the block for???

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  • 8CD260D3-0F89-487F-98F4-A7F2B4CE5979

A5226A9A-BBFA-4168-8CED-17C946DDFBD344DEFAEB-B6F0-4C9A-A796-B1E65A859B95The D 27 actually uses all four circuits of the ZW transformer. One to run the accessories and lights and three for the different areas of the track. There’s also a SPST switch to stop the train just prior to entering the tunnel so that you don’t have to adjust the throttles each time you power up. There’s one circuit we’re going down, Another circuit coming back up with more power, and then a third circuit between the two that brings a train around to re-enter the tunnel.

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  • A5226A9A-BBFA-4168-8CED-17C946DDFBD3
  • 44DEFAEB-B6F0-4C9A-A796-B1E65A859B95

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
330-757-3020

www.ogaugerr.com
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