Tony, It sounds as though your mechanic is conscientious and responsible. I'm still having a problem visualizing what happened and why. Its a long shot, but is it possible that the fitting was BSW rather than SAE? Also, I don.'t have a problem with copper pipes. Bob Walker (Raised on Rootes) Lib596@xxxxxxx wrote: > In a message dated 31/05/02 17:41:34 GMT Daylight Time, > dardal@xxxxxxxxxxxxxxx writes: > > << Calculating the stresses in a pipe based on pressure, pipe ID and wall > thickness is not difficult. If you can provide me this information, and > the copper alloy used (I can hopefully find info on the strength of the > material) I may be able to do some rough calculations and tell you if the > material selection is improper. My guess though is that if they use it in > a large scale over there, it should be fine. Here in the US, often the > "safety" regulations go beyond sense... >> > > Thanks for the offer D*2, but the simple solution is probably to play safe > and go for steel pipes like the original. I spoke to the guy at the shop > where they fitted the faulty pipe today and he is eager to redo the job to > the highest standard. > > Right now, I believe he would fit titanium pipes if I demanded it in order to > preserve his reputation and settle the matter. > > Best wishes, > > Tony V.