I've also built my Chris Veitch FR van 3 kit.
Apart from nameplates, Poppy is now finished. It runs OKish but I suspect that with running in it may get better. I did wonder if it was a balance issue but as far as I can tell the centre of gravity is between the wheels. Its more of a novelty than a serious train puller so I'm happy. Goes well with my train of silly skip chassis coaches.
Sitting next to Poppy in the photo above is my new Baldwin 3D print from Chris Ward. Amazingly good print and a very detailed bit of CAD work. I'm looking forward to getting the IoSRs Baldy into action. Makes an interesting comparison with Poppy.