Astro61201

Thank you for your advice, I think prototyping is the best way to go.

Thanks for your answer, I’m aiming for a minimum curve radius of about R56 or R72, do you think this would be possible?

Download them from his website (LDraw in the menu), then move the .dat file(s) to hard drive/ program files/ stud.io/LDraw/CustomParts If the custom parts folder isn’t there then create one. It is worth noting that these pieces lack connectivity features, to add them you need to import the piece into Part Designer and add an axle and pin connection, which is what I did.

Apologies, I have added some images to my original post.

Hi, I'm currently designing a 4-8-2 Gresley design on stud.io with the vision of building it in real life and as such I want to make it able to traverse various radius track curves, however I also want to retain a cohesive look for the chassis. I'm not overly concerned about the tightest of curves but I would still like to go as tight as possible without compromising aesthetics. My current design consists of: 4x - 20.8mm (MS) leading wheels Double Pivot 8x - 42.3mm (XXL) Driving Wheels 2x - 24mm (M) Trailing Wheels Tender. I was wondering about the feasibility of the design and if anyone has a similar setup, what curve sizes is their loco able to traverse?