Thanks for the replies I'll be passing it on to a friend of Russell who has more expertise with motors. I'm sure I could find the fault, but then what. An interesting job, but on second thoughts not something I really want to get too involved with Joe --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .