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BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread

Discussion in 'Steam Traction' started by Bulleid Pacific, Nov 23, 2009.

  1. 'Clan' Hengist

    'Clan' Hengist New Member

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    Initially, the front buffer beam will be bolted, but the intention is that it will be hot riveted at a later stage. There is a requirement to have some riveting done to the rear buffer beam as well so it makes more sense to have both areas done at the same time. (Ian will be able to tell you exactly what - I am no engineer!). That requires the frame extensions to be fitted, for which we have all the required components. The first stage is to get the frames back the right way up rather than upside down as at present. We were told yesterday that the intention is to do this tomorrow, Wednesday. As we, (myself, Ashley Shimwell and Mke Sedgley) will be there on Thursday to do more fettling and painting we will be able to confirm if this has been done.

    Steady progress - and I hope that we might be able to have a current photo of the frames the right way up to post tomorrow.
     
  2. northernsteam

    northernsteam New Member

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    Thanks Bob. Latest 'News' shows a useful visit to show the buffer beam being worked on and explains the construction sequence.
    Have the frames been turned yet?
     
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  3. 'Clan' Hengist

    'Clan' Hengist New Member

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    The frames are now the correct way up. They are now also facing down the shop towards the doors at the end. This is because we need to fit the frame extension plates and if that were done with the frames athwart the assembly shop they would be so long that all the walkways would be obstructed.

    Never stopped raining today in Sheffield. A wet miserable day, but worth the trip for the progress being made.

    Hopefully, we will have a further update to show you all next week.
     
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  4. ianh1

    ianh1 Member

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    Std tank pointed us in the right direction a few posts ago. Originally, the buffer beam was to be bolted. We quickly came to the realisation that it wouldn't look right so we changed the plans so that the buffer beam would be riveted with dome head rivtes. std tank pointed us to the drawings which sho that the front buffer beam components are hot riveted to the frames whereas the rest of the frames used cold rivets.

    With regards to the hind beam. This has 3 components fastened to it. In the centre is the intermediate rubbing block with curved faces. The engine/tender drawbar goes through the mouth of this. This will be bolted to the hindbeam. Either side of this are large rubbing plates. On the surface of these are manganese steel plates. The manganese steel plates are welded to the rubbing plates (from behind the rubbing plate) and the whole assembly is then to be flush riveted to the hind beam. The "dumb buffers" on the front of the tender press on the rubbing plates. As Bob says, the front buffer beam and the hind beam will be riveted at the same time. Here's a view from the 3D model

    HindBeam.jpg
     
  5. northernsteam

    northernsteam New Member

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    Latest news on website shows the 2 new build frames side by side. Excellent!!
    Progress will soon be seen on the frame extensions on Hengist.
    Heres's hoping that our gang can still visit during lockdown but the reg's. seem to say no chance.
     
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  6. 'Clan' Hengist

    'Clan' Hengist New Member

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    We can continue to go to CTL. The MD has classified us as "Essential engineering staff, unable to work from home". We have letters to that effect, issued to us on Monday this week. Mine is in the glove box of my car, just on the off chance that I do get stopped and asked why I am driving up the M1 to Sheffield.

    So progress will continue, with our next working day scheduled for Thursday this week.
     
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  7. 26power

    26power New Member

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    Link: https://www.theclanproject.org/Clan_News.php
     
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  8. Richard Roper

    Richard Roper Member

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  9. northernsteam

    northernsteam New Member

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    Check that web link again folks. Continuing progress and maintenance on the cab after its time on display.
    It really is a factory production project despite the pandemic, thanks to a sympathetic and enthusiastic MD.
    Keep taking care and keeping safe folks!
     
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  10. 'Clan' Hengist

    'Clan' Hengist New Member

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    I ordered some touch-up paint for the cab a week or so ago. I had an email from the supplier yesterday telling me that it would be delivered on Wednesday. No intention of completely repainting the cab at this stage but preventative maintenance will stop deterioration as the paint is getting a bit scratched/shabby in places. A job for Ashley and I on Thursday. As we were not sure if we could get the cab inside for the winter Ashley repainted the cab roof a few weeks ago while we had a spell of good weather.

    Always something happening at the moment. Keep your eyes on our website for regular updates. 26power provided a link a couple of posts ago. That will take you straight to the news page.
     
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  11. class8mikado

    class8mikado Well-Known Member

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    Just out of interest, what function do the two 'Eyelets'on the top side of the frame extensions fulfil...
     
  12. LMS2968

    LMS2968 Part of the furniture

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    Lifting the engine in shops?
     
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  13. 'Clan' Hengist

    'Clan' Hengist New Member

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    They are indeed lifting eyes. Without looking at the drawings I cannot say if they are reinforced like the front ones, though I suspect that that will be the case.
     
  14. northernsteam

    northernsteam New Member

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    Superceded by previous post
     
  15. Jamessquared

    Jamessquared Nat Pres stalwart

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    Not necessarily ...

    Different class - but if things are designed right, you can sling through the cab roof; all you need is too remove the floor.

    [​IMG]

    Also, no problem using those eyelets at an earlier stage of erection.

    Tom
     
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  16. std tank

    std tank Member

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    Reinforcement not required on the extension frames. They are 2" thick, whereas the main frame plates are 1-1/4" thick.
     
  17. 'Clan' Hengist

    'Clan' Hengist New Member

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    Thank you. Saves me going through the drawing files to look for a definitive answer.
     
  18. class8mikado

    class8mikado Well-Known Member

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    Right, so in that case i can work out where the fire box ends... so onto my real question - what are the brown 'channel' pieces and their fiddly little mounts for .... Footplate supports ? with some allowance for boiler expansion |?
     
  19. 'Clan' Hengist

    'Clan' Hengist New Member

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    Again, without checking the drawings, I think they are the rear firebox support mounts. They are fitted so that they can move slightly forward and backwards to allow for expansion and contraction of the boiler.
     
  20. std tank

    std tank Member

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    Yes, they are the rear firebox supports, but they are in the wrong place. They should be in front of the eyelets, where the three holes are on the frame.
     

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