Chuck Harris wrote: > Joseph M Gwinn wrote: > >> I read somewhere the suggestion to take the cast iron block from an >> old automobile engine and put it in a heavy insulated wooden cabinet: >> ~250 Kg of iron in an insulated box. Cracked blocks are useless in >> an engine, and so are available in junkyards quite cheap. > > Yes, but water is so much easier to find, and easier to > package, plus it has a great storage capability. > > -Chuck Harris > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > The thermal conductivity of cast iron is relatively poor for a metal. Water has even lower thermal conductivity however this can be overcome by stirring.
Bruce _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
