Hey guys, blimey, i really haven't done a lot here, have i?  but still, anyone know any ways of making a time rotor casing? i mean, i could get a clear, perspex, one piece tube, but that would set me back nearly £500... and i could use acetate, but i'm not sure who one would go about that.
any help would be much appreciated.

You can get a think, bendable perspex, wrap it around a buck of the diameter you want, and then fasten it together, either with chemical epoxy or small screws.
Bill "the Doctor" Rudloff

where does one go about getting flexible perspex... i can only find stiff cast acrylics 

Maybe here if you know your size. http://www.sheetplastics.co.uk/Acrylic_Perspex_Sheet/Clear_Acrylic_Sheet/2mm_Clear_Acrylic_Sheet
Bill "the Doctor" Rudloff

For your rotor, what is the required height, outer diameter, and wall thickness?