animotion Posted March 7, 2021 Share Posted March 7, 2021 I have been doing some research on MR track building in EM and have noticed that the Exactoscale ones for EM have a .8mm flange way gap. There has been talk on this subject with regards to the gap being the wrong size when in fact it should be 1mm. I decided to experiment and make a MR one myself with the right gap. I haven’t printed it out yet to test it with Code 75 Bullhead Rail. I have modelled it with four bolts, it may have had a combination of spikes and bolts that I have seen on some chairs. In 4mm this probably doesn’t matter as you would probably not notice. Included is a renderd image of my check rail chair. 1 1 Link to post Share on other sites More sharing options...
Trog Posted March 8, 2021 Share Posted March 8, 2021 Would the printing process allow a slight recess under the head of the chairscrews? As in real life you are not supposed to tighten the chairscrew down until it touches the chair, but leave a small gap so the ferrule provides an element of cushioning between the steel and the cast iron. Not important but if you can do it, it might as well be right. Link to post Share on other sites More sharing options...
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