Stour Valley Dream - brakes for P4 coach conversion
Entry posted by Fen End Pit
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Over the last couple of weeks I've been converting some Hornby coaches to P4. I've been using my favourite sprung bogies from Bill Bedford/Eileen. The hardest bit with these though is the brake blocks as I find metal etched brake blocks too likely to short out on the wheel tread when I bend them! (probably my own fault).
So I thought I'd have a go at 3d printing an alternative to see how it might work. It wasn't too hard to model up and I printed the result on my Anycubic Photon. I did two batches of 5 because I knew I was bound to break at least one. The supports to the bottom of the brake blocks clipped off easily with side cutters and the rest of the part saws off the base easily.
The parts fitted pretty well, I needed to file one end slightly to clear the spring supports at the end of the bogie. I'd designed them to superglue easily onto the bogie. I've since modified the 3D model which should avoid this in future.
Final step will be some constructive surgery on the original Hornby bogies which are actually very nice castings which can be chopped apart and fitted to the etching quite easily.
I've posted the file up on the Thingiverse at https://www.thingiverse.com/thing:4171453
Let me know if you can suggest any modifications or improvements
David
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