If you register, you can do a lot more. And become an active part of our growing community. You'll have access to hidden forums, and enjoy the ability of replying and starting conversations.

JJG Koopmans's Recent Activity

  1. JJG Koopmans replied to the thread Boiler dimensions/ratios.

    Double posted

    May 28, 2017 at 6:30 PM
  2. JJG Koopmans replied to the thread Boiler dimensions/ratios.

    Why not look into Phillipson's book: Steam locomotive design: Data and Formulae Secondhand available, Camden sold a reprint some time ago. Kind regards Jos Koopmans

    May 28, 2017 at 6:26 PM
  3. JJG Koopmans replied to the thread Draughting of Jubilees.

    An identical remark was made by a former LMS fireman at the time of the posting of the Shap ascent. As for the black smoke, just lack of oxygen from a substandard front-end. Kind regards Jos Koopmans

    May 25, 2017 at 9:11 PM
  4. JJG Koopmans replied to the thread Ton up Tornado.

    Vertical Load Control Valves maybe? Kind regards Jos Koopmans

    May 24, 2017 at 9:02 PM