Hi Brian If you have the interest in solving it, the best answer is to gain an understanding of Walschaerts, get all the dimensions from YOUR Speedy, and put these numbers into a spreadsheet and simulator. I did this to find out how my Britannia should be configured, and in the process found an erro...

PB1 is good, PB102 is more readily available from suppliers.

Hi Andy You should always use PB102 on boiler bushes. It needs sharp tools to cut and will grab on a slightly worn drill. Dormer A002 series drills are the best. SAE660 is designed as a bearing metal, like Colphos, and the lead content is not a good idea for silver brazing. It does machine more easi...

I was so sorry to see news in ME that Doug Hewson had suffered a stroke recently. Whether minor or not I don't know but I do hope that he is able to recover quickly and completely. I know that all of us would want to wish him a speedy recovery and that perhaps anyone who might see Doug could convey ...