... switch angle will be 144/ 4.75= 1:30.3 Martin, I've re-done the switch to your settings above and it looks fine. I can also apply it to existing turnouts without messing up my laboriously shoved interlaced sleepers. 25_051800_110000000.png Jim. Attachment: attach_2171_2776_SwitchData-02.jpg 801 Last edited on 5 Nov 2015 23:03 by Jim Guthrie posted: 6 Nov 2015 11:48 from: John Palmer Martin Wynne wrote: Jim Guthrie wrote: The one Caledonian turnout drawing I have has a 12ft straight switch with the ... to heel length of 12 feet and it is all straight. Hi Jim, It's very likely that if the heel is at the rail joint, the clearance there is 2". i.e. a heel offset of 4.3/4" (= 3.77mm in P-32), and the switch angle will be 144/ 4.75= 1:30.3 Often in such cases the heel joint is supported in a chair, rather than using loose fishplates between timbers. There was quite a gap between 1923 and 1964. I think ...