Sandy once again thanks for your input have sent PM to Scott so let`s hope this works have cooled down a little. Have a look at #33 of this post and you will see the boiler steamed up after 2mins using a different burner now it takes 6mins so i think the problem must lye with the burner i.e. heat output. Think i will put the steam side on hold not the end of the world but certainly a setback really need more trials. Will crack on with the body shell meaning more formers and templates need to be made at least i`m miles ahead of where i was a month ago. Would have liked to introduced fwd/rev but not sure if it can be done with this engine so you see still lots to think about. I`m at the stage when i watch the telly i see moving pictures but my brain is on another planet.