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JJG Koopmans's Recent Activity

  1. JJG Koopmans replied to the thread Draughting of Jubilees.

    Those interested are patiently waiting on the further tests with 6023, as far as I am concerned they rightfully do so! Since this is a blastpipe change only the working Jubilees would be preferable imho. Kind regards Jos

    Apr 22, 2017 at 7:47 PM
  2. JJG Koopmans replied to the thread Draughting of Jubilees.

    No, it is just a good idea! At the time the Kylchap was patented, that should now be expired. However, nowadays a Kylchap is just a completely unnecessary complication. Kind regards Jos Koopmans

    Apr 22, 2017 at 1:27 PM
  3. JJG Koopmans replied to the thread Draughting of Jubilees.

    Certainly, see my earlier post#2 Kind regards Jos Koopmans

    Apr 21, 2017 at 6:49 PM
  4. JJG Koopmans replied to the thread Draughting of Jubilees.

    Yes, assuming that my information is correct (Rowledge/Reed, the Stanier 4-6-0's of the LMS). The Rugby data are ok anyway. The 6023 blastcap was contracted outside and cost around 350GBP. Looks like fair game isn't it? A few tons of coal. Kind...

    Apr 21, 2017 at 5:46 PM
  5. JJG Koopmans replied to the thread Draughting of Jubilees.

    If the chimneys are of original dimensions, they do not need any change, just the blastcap. I have been given 67 Rugby test results, I think I know what could be done. Kind regards Jos Koopmans

    Apr 21, 2017 at 2:22 PM
  6. JJG Koopmans replied to the thread Draughting of Jubilees.

    My idea! Probably after the tests with GWR 6023 a discussion about the Jubilees makes sense. Their 1:7 tapered chimneys would be ideal for a cheap adaptation. Kind regards Jos Koopmans

    Apr 21, 2017 at 12:30 PM