http://www.fitchetts.co.uk/index.htmlThis is my local timber supplier in Nottingham, although I would heartily endorse SLEC as mail-order specialists. If you check out the Fitchetts website under "Plywood", you'll find that 6mm Russian Birch ply costs £12.77 + VAT for a 5' x 5' sheet. That is pretty good value compared with model shop prices for the same stuff. I've used their 9mm sheet and it's excellent (and 5-ply). It might be worth checking out your own nearest timber importers if you want a larger quantity than a couple of square feet e.g. for a club purchase.
As for fractions, I'm sorry I have to disagree with The Admiral but Imperial is
flexible?? What does flexible mean in this context? And exactly
why is "fraction-friendly" such a boon? Try this one for Imperial weight: a hundredweight is 1/20 of a ton; a stone is 1/10 of a hundredweight, while a pound (of which an ounce is 1/16) is 1/14 of a stone. Even sillier is linear measurement i.e. an inch is 1/12 of a foot is 1/3 of a yard is 1/22 of a chain is 1/10 of a furlong is 1/8 of a mile.......... get outta here!!
Colin - I hope this one of your wind-ups. Those of us who went to school in the 50s and 60s are used to
thinking of certain things in Imperial because even now it's difficult for us to imagine, say, someone's height in metres without having to convert it mentally to feet and inches. Having said that, as a designer, draftsman and seasoned user of such tools as AutoCAD and digital callipers I can't imagine trying to work in Imperial. I can recognise each small increment on my rule and callipers as a millimetre and I know that if I enter a length into AutoCAD it doesn't offer me a list of N different possible units for that length (OK - so the Architectural Units are Imperial, but they aren't using metric plywood, dowels and styrene sheet).
As for being a true Englisman well, I was born and bred here and I might have a small and simple mind but it's not closed to everything yet!