Construction follows the same techniques I have been using for well over 30 years, with real wood sleepers and gluing the rail down with Pliobond adhesive.
Although I usually use Northeastern 12" x 6" HO scale lumber for the sleepers, this time I used precut On3/On2½ "switch ties" by Mt Albert Scale Models in Canada (available from The Railcar near Newcastle, NSW). The thickness of the Mt Albert sleepers closely matches the On2½ flexible track and points available from Micro Engineering. Prior to construction, I stained the sleepers with potassium permanganate solution.
The sleeper size and spacing of the Micro Engineering On2½ flexible track and points are just about spot on for Sn3½ track, except that the sleepers are 4-5 mm too long, but that is fairly easily fixed by trimming the ends of the sleepers. Micro Engineering only makes #5 points in the On2½ range, so handlaying is the only option for other types other than converting HO points "sleeper by sleeper". They do make a "kit" for No. 6 points consisting of a cast metal frog and machined blades, which could reduce the time and skills needed for handlaying.
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