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2 track tunnel for wide curves - N scale

SKU: 1261.R67.R15
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N scale reproduction (1:160) of an internal tunnel tunnel for double track railway lines suitable for the pair of wide curves with radius R6-R7 (192mm inner radius and 226mm outer radius) with standard rail spacing of 33.6mm. It is possible to use radii of similar curves with a tolerance of approximately 10%.
It is to be combined with the corresponding gantry for narrow curves R6-R7 (initial code 1260.R67).

Each tunnel is 11 cm long and covers a curvature radius of 15° and it is possible to extend it with other elements of the same type.
It makes no difference whether it curves left or right and is suitable for both lines with and without catenary.

It is equipped with an upper hole to facilitate the insertion of a possible anchoring system for the overhead line.

3D printed with FDM technology in eco-friendly dark gray PLA material.

Finishing of bioPLA tunnels

Tunnel H0 finish
The tunnel is supplied in a single piece, it does not require assembly. It can be assembled to the portal or to other items of the same type. Use cyanoacrylate glue for fast and resistant fixing.

Surface preparation
Give it a light sanding with 180/240 grit sandpaper and possibly a second pass with a finer grit. With the piece clean and dry, you can use a spray putty to even out the surface and eliminate streaks from the print.
Alternatively, a light layer of plaster and vinyl glue can be applied to the inside of the tunnel. To be sanded once dry.

Painting can be done with opaque acrylic colours. A dark gray color is recommended.
Subsequent passes can be carried out with various highlighting techniques to highlight flows of water and moss in order to dirty and make the painting less uniform.

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