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4110 Restoration at ESR

Discussion in 'Steam Traction' started by pwsw5054, Oct 23, 2019.

  1. Greenway

    Greenway Part of the furniture

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    Good to see the progress. What a difference between the east and west of Somerset.
     
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  2. pwsw5054

    pwsw5054 Member

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  3. Richard Roper

    Richard Roper Member

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    Progress looking good! There looks to be some wastage of the frames, I guess this is within the limits allowed.

    Richard.
     
  4. 32110

    32110 Member

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    This week the cylinders and valve chests are being machined. Both were very rusty. ?Below is a short video clip of re-boring of cylinder. You will note the amount of material that has had to be removed and it seems that the cylinders will need sleeving.

     
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  5. 3855

    3855 Member

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    Is the cylinder boring done in house or do you bring a contractor in ?
     
  6. 32110

    32110 Member

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    Being done by contractor.
     
  7. huochemi

    huochemi Well-Known Member Friend

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    Thank you for that link. It is interesting to see the radial trailing axlebox assembly. It would also be interesting to know what fettling was done to this and the horn guides. It would be difficult to machine the horn guide plates to a 12ft-ish radius, and possibly these are just cleaned up and made smooth, similar for the rubbing plates on the axlebox tunnel?
     
  8. 32110

    32110 Member

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    The boiler was rolled on 9 Mar 21 to permit work in the area of the foundation ring.
    !cid_8CE146F3-AE47-4D4D-8522-0D9B94BBF1E2.jpg

    !cid_image001_jpg@01D71502.jpg

    !cid_image002_jpg@01D71502.jpg

    !cid_image005_jpg@01D71502.jpg
     
  9. bluetrain

    bluetrain Member

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    While wandering around the shed at Didcot, I was most surprised to notice that while the GWR 45XX/55XX Small Prairies have pony trucks at both ends, the Large Prairies have pony truck at front and radial truck at rear (with a rear main-frame inset to accommodate). Among other British 2-6-2T designs, there also seems to have been a mix of rear truck types.
     
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  10. Dunfanaghy Road

    Dunfanaghy Road Member

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    I believe that different types of pony trucks have different harmonic characters and so the risk of a build up of resonance is avoided (if I understood it right). I'm sure that someone will be along shortly to put me right!
    Pat
     
  11. pwsw5054

    pwsw5054 Member

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    A couple of photos to show the state of play with 4110 at the moment. Over the winter covid has severely restricted the number of people with access to the loco, but progress is still being made. 20210404_170235.jpg 20210404_170039.jpg 20210404_170112.jpg

    Sent from my SM-A505FN using Tapatalk
     
  12. 32110

    32110 Member

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    The remains of the bunker are now finally scrapped. Construction of its replacement continues, see previous post above.

    4110 Bunker The End.jpg
     
    Last edited: Apr 22, 2021
  13. ruddingtonrsh56

    ruddingtonrsh56 Member

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    Evidently a ceremonial disposal!
     
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  14. Greenway

    Greenway Part of the furniture

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  15. pete12000

    pete12000 New Member

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    It's always great to see photos of the restorations progress at Cranmore, looks like another quality job !!!
     
  16. Paulthehitch

    Paulthehitch Member

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    Indeed so. They don't always get the attention deserved whereas the sins of others are intensively catalogued.
     
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