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Balancing

Rasprava u 'Steam Traction' pokrenuta od 240P15, 3. Ožujak 2021..

  1. 240P15

    240P15 Well-Known Member

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    Hello:)

    As one can see at this picture of No. 6023 King Edward II the driving- and coupled wheels the gap between the spokes under the crank pin are filled with cast (you can find this on a great number of steam locomotives)


    Is this a part of balancing the wheel(s) or is it just constructed that way to strenghten this part of the wheel
    (from the force that arise by the connecting- and coupling rods)?
    [​IMG]
    source: Wikipedia Commons

    Knut:)
     
    240P15, 3. Ožujak 2021.
    #1
  2. LMS2968

    LMS2968 Part of the furniture

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    It's on the wrong side of the wheel to assist with balancing.
     
    LMS2968, 3. Ožujak 2021.
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  3. Richard Roper

    Richard Roper Well-Known Member

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    If you look closely, the spokes on either side of the "filled-in" space have webs cast in. My guess is that it's to stiffen the area of greatest torque, ie where the crankpin takes up the driving torque. Stanier Jubilee wheels have the same features, although I don't think the space opposite the crankpin is filled solid.

    Richard.
     
    Richard Roper, 3. Ožujak 2021.
    #3
    240P15 and jnc like this.
  4. 240P15

    240P15 Well-Known Member

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    Thanks a lot Richard! :) I had the same thoughts like you but I wasn`t 100% sure.

    Knut
     
    240P15, 3. Ožujak 2021.
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  5. Jimc

    Jimc Part of the furniture

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    Earlier GW standard class wheels had the crankpin on a spoke. Crankpin between spokes and the web filled in was a change made under the Collett regime.
     
    Jimc, 3. Ožujak 2021.
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    ross, Richard Roper, LesterBrown i 2 ostalih se sviđa ovo.

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