... , showing the slip. I was hoping for comments on whether that was OK. Regards, Graham Attachment: attach_1732_2393_Elan_Final.box 347 posted: 29 Jan 2014 12:54 from: Martin Wynne Hi Graham, Your diamond is about 1:5, which is generally too short for a conventional inside slip. The switch blades will be too short to flex, and would need to be built as loose heels. And the slip road radius is only 27" which is a bit too small for P4 unless purely an industrial line: 2_290750_120000000.png That's why I suggested building it as an outside slip instead. To do that you need to move the loop track a little wider to make room for the slip switch. regards, Martin. posted: 29 Jan 2014 13:44 from: Paul Boyd Hi Graham I've previously Templotted this in P4, and like many of Mr Rice's plans, they can be challenging to make work! Most of them can be done though. I've attached a box file where you can see I'm still working on that slip. As ...