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Model Forum / General / Models / December 2004Sash Weights as a source of cast iron bar
Typically, what sort of quality will the cast iron be in discarded sash window weights? Steve >Typically, what sort of quality will the cast iron be in discarded sash >window weights? In my limited experience, as hard as a tart's heart and full of inclusions. I gave up. YMMV.  SignatureNigel When the only tools you have are a Bridgeport, a CNC Taig Mill, a Colchester and assorted other stuff, every problem looks like a steam engine. >>Typically, what sort of quality will the cast iron be in discarded sash >>window weights? > > In my limited experience, as hard as a tart's heart and full of > inclusions. I gave up. YMMV. As good as that hmm... maybe I won't bother then! Thanks Steve I picked one up from somewhere, didn't realise what it was at first. Anyway, I made a small gyroscope for my son. Machined quite easily, though the original weight was quite pitted. I had to take quite a bit off the surface. I only realised is was cast iron once I started machining it. Best regards, Dave Colliver. http://www.MiddlesboroughFOCUS.com ~~ Customise your internet experience http://www.FOCUSPortals.com/customise.asp >>>Typically, what sort of quality will the cast iron be in discarded sash >>>window weights? [quoted text clipped - 7 lines] > > Steve > >Typically, what sort of quality will the cast iron be in discarded sash > >window weights? > > In my limited experience, as hard as a tart's heart and full of > inclusions. I gave up. YMMV. I have a pile of them left over from new window installations - they are horrible white iron - dead hard and full of blow holes AWEM Steve, >Typically, what sort of quality will the cast iron be in discarded sash >window weights? In any of the sash weights I ever used, the only criterion in manufacture seemed to be the weight, and certainly not the quality of the metal used :-) JIm. In my experience it depends on age. I have removed a large number from our windows. Those from about 1860-1900ish were a lovely grey iron under the hard skin. Those post 1900 were as ghastly as Nigel described. Incidentally old lineshaft seems to almost as bad. hth SignatureRoland Craven nr Exeter Devon, UK roland@petternut.co.uk http://www.petternut.co.uk >In my experience it depends on age. I have removed a large number from our >windows. Those from about 1860-1900ish were a lovely grey iron under the >hard skin. Those post 1900 were as ghastly as Nigel described. Incidentally >old lineshaft seems to almost as bad. >hth I'll second Rolands observations on the two types, I've found both types. Best way I have found is to smack the weight onto the ground so it snaps in half and take a look. If it's a dull and even grey colour - it's good. If It's shiny, white or has holes or glittery bits in it chuck it at next doors cat -- Regards, John Stevenson Nottingham, England. > Typically, what sort of quality will the cast iron be in discarded sash > window weights? > > Steve I use them for making disc wheels for 16mm to the foot rolling stock. Once you get through the outer layer I've found it lovely stuff. Ken. |
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