... x 32mm Timbers and add in a 36mm and 40 mm timbers without affecting the strength of the unit too much, one of the cuts would be needed for the electrical bonding between stock and switch rails. Though I initially may just use the fret as it is plus the last heal timber for the first attempt. posted: 18 Apr 2017 11:04 from: Hayfield 982_180556_180000001.jpg To illustrate what I am trying to explain a P4 base on a P4 template This is the toe end where the main size differential of timbers are 982_180556_180000000.jpg The whole base against a standard Templot template, differing sleeper spacing, sizes and missing the last heal timber posted: 18 Apr 2017 12:15 from: Martin Wynne Hi John, Bear in mind that Templot templates are not a fixed design. You get what you enter in the settings. In order to get an exact match to prototype REA bullhead design you need to set: 1. P4 gauge, or preferably EXACT scale (in the gauge/scale dialog). 2. Change to CLM crossing angle ( ...