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.

srapley's Recent Activity

  1. srapley replied to the thread BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread.

    I would think so, in theory, except if you put an original exhaust with a rebuilt firebox, you might have some issues due to poor draughting. The other way round you might have the reverse problem (excessive draughting). On 35011 we're likely to...

    Nov 24, 2022 at 11:07 AM
  2. srapley replied to the thread BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread.

    The superheater surface area was reduced a bit, mainly in the header I believe, in order for it to fit into the round smokebox, I don't think the tubes themselves were altered, but I've not looked into that yet. Though we're digressing a tad from...

    Nov 24, 2022 at 10:54 AM
  3. srapley replied to the thread BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread.

    Space between the fire bars I think. Weight diagram for the original quotes 50%, for the rebuilt it came down to 30 something%. The only significant changes were the firegrate and below it (dampers, ashpans etc.), reduction in size of the...

    Nov 24, 2022 at 10:52 AM
  4. srapley replied to the thread BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread.

    Nope. The MNs had dampers from day one, though they were modified on rebuilding. The LPs had no dampers to start with, but they were added on rebuilding. Free grate area on the MNs was reduced on rebuilding as well from 50% to 30 something%

    Nov 24, 2022 at 8:59 AM