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  1. #31
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    These are some of the pics that I took that show the construction of the wheels on the static replica at York....

    LRG_DSC06447.jpg LRG_DSC06485.jpg LRG_DSC06522.jpg LRG_DSC06523.jpg

    And this is a picture of the running replica taken from the viewing gallery above the workshop...

    LRG_DSC06588.jpg

    Once again, apologies for my pictures rotating while being posted but at least it appears now that only the portrait format pics are rotating?

    fletty
    a rock is an obsolete tool ......... until you donít have a hammer!

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  3. #32
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    "It also appears as though the steel tyres on Rocket were retained by bolts through the wooden wagon wheels"

    I was wondering what the extra holes were for between the spokes.

    From the forth picture it looks like the bolt weakens the wheel over time, but could be over tightening through the years..

    But looking again I see bolts in every other spoke hole having a split or seem, so probable just the way the wheel is made.
    Thanks fletty for the extra info.

  4. #33
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    and here's a few more that (inadvertently?) show more details of the driving and trailing wheels....

    LRG_DSC06443.jpg LRG_DSC06445.jpg LRG_DSC06452.jpg LRG_DSC06456.jpg LRG_DSC06461.jpgLRG_DSC06505.jpg

    I note that the (wooden?) spokes seem to fit into (cast?) rectangular sockets on the eccentric hubs?

    fletty
    a rock is an obsolete tool ......... until you donít have a hammer!

  5. #34
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    I've also noticed, and not surprisingly, that the 'tender' wheels look very similar to the engine's trailing wheels?

    LRG_DSC06475.jpg LRG_DSC06489.jpg LRG_DSC06494.jpg LRG_DSC06495.jpg

    Ill send the hi-res pictures later this week Keith.

    fletty
    a rock is an obsolete tool ......... until you donít have a hammer!

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  7. #36
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    Oh man! How detailed are you going to go on the spokes Keith?

    DaveTTC
    The Turning Cowboy
    Turning Wood Into Art

  8. #37
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    Quote Originally Posted by DaveTTC View Post
    Oh man! How detailed are you going to go on the spokes Keith?

    DaveTTC
    The Turning Cowboy
    Turning Wood Into Art
    Keith has already shown his attention to detail in the other trains, our Trevor has taught Keith very well and maybe soon Keith will become the master and both teaching & passing on his knowledge & expertise to a will apprentice as he was soaking up all of what was taught!!!.... Peter

  9. #38
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    Alan, What a top bunch of photos sir...WOW & THANK YOU!!!

  10. #39
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    Hi All,


    Alan, Great talking to you last night and thanks so much for the photos.

    Thanks for the comments Peter - only ever one master in my opinion.

    Dave - was a bit concerned about the profile of the coach type spokes - but I think I have got around it. Very time consuming - but using witness marks (3 lots of drawn pencil lines) on top and bottom of both sides of the spoke and then using a half round file, I have got a profile that I am happy with and it is quite consistent around the spokes I have worked on so far. Lots of sanding to do

    Regards

    Keith

  11. #40
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    I'm still intrigued by the original wheels. They look as though they are a compromise based on the quantity of iron that could be heated and cast in one go. It looks like the rim is one piece, to which is bolted segments that carry the spokes, with a rim sweated on as a final step.

    When visiting the museum, did Alan see a diagram of the cross section of a wheel?
    regards from Sydney

    ian

  12. #41
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    Quote Originally Posted by ian View Post

    I'm still intrigued by the original wheels.

    When visiting the museum, did Alan see a diagram of the cross section of a wheel?
    No and I can't figure it out yet either. Picture 4 on the first post, appears to show that that the side rim AND the nearest felloe have a joint at the same point which is highly unlikely to be original. My best interpretation of the pictures so far is;
    • Cast eccentric hub with sockets for spokes
    • bronze bearing block
    • timber spokes
    • separate cast felloes each with a socket for a spoke
    • separate outer rim side flanges with 2 bolts through each felloe
    • an outer 'tyre' heat shrunk on to hold the assembly together BUT (and here's the tricky bit?) a radial bolt that appears to go through the outer rim and through slots at the end of each felloe?
    • a further 'wear' tyre heat shrunk on to the outside

    I'll enlarge some of the hi-res pics to see if that helps. For our craftsman/artist Keith's sake, I'm hoping that reducing to 1/6 removes the need for such forensic knowledge?
    fletty
    a rock is an obsolete tool ......... until you donít have a hammer!

  13. #42
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    That's interesting Alan.

    Two outer steel rims onto the wooden spoked section - clever

    Regards

    Keith

  14. #43
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    Many thanks to Uncle Google and Flickr...

    IMG_0109.jpg

    This picture from Flickr is allegedly the wheel off the REAL Rocket and I'm now more confused than ever! The outer flange ring is not continuous and appears to be timber!
    a rock is an obsolete tool ......... until you donít have a hammer!

  15. #44
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    This link should be to a youtube video of the original Rocket which is now in the London Science Museum
    https://www.youtube.com/watch?v=UEqy4xQycjI
    To my eyes, the original driving wheels are wooden, the bolts on the replica appear to be pins (or blind rivets) on the original wheels.

    Perhaps, Keith should see if he can access a copy of this

    via an inter-library loan.
    regards from Sydney

    ian

  16. #45
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    another picture


    source: https://blog.sciencemuseum.org.uk/st...comotive-1829/
    Note: Stephenson's 'Rocket' (1829) on display at the Science Museum in 2007. The Rocket ran on the Liverpool and Manchester Railway from 1829 to 1836 and the Midgeholme Colliery Railway in County Durham between 1836 and 1840. It was preserved in 1862, semi-derelict and incomplete. The tender and other items are missing.
    regards from Sydney

    ian

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