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BR Double blastpipes

Discussion in 'Steam Traction' started by Alasdair B, Jul 31, 2026 at 2:18 PM.

  1. Alasdair B

    Alasdair B New Member

    Joined:
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    Location:
    Leeds, Yorkshire
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    I am interested in the upgrades to draughting of various locomotives by BR by installing double blastpipes in the 1950s. Can anyone confirm the diameters of the single and double blastpipes fitted to the following locomotives?
    GWR Castle 4-6-0: single double
    GWR King 4-6-0: single double
    BR Standard 4-6-0 Class 4MT: single double
    BR Standard 2-10-0 Class 9F: single double
    Regards,
    Alasdair
     

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