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Thread: Paging Ron Picardi

  1. #1
    maiatcat Guest

    Default Paging Ron Picardi

    Ron, are you aware of or have you ever produced a Pratt Truss Bridge? Anything close to it is completely acceptible! Maia

  2. #2
    Join Date
    Nov 1999
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    5,102

    Default RE: Paging Ron Picardi

    See if one of the old back road bridges attached below will work. One is a Tacker Truss and the other is a Warren Truss. I don't have any examples of the Pratt Truss. A photo would help.


    Warren Truss road bridge


    Tacker Truss road bridge

    SRV Ron

  3. #3
    Join Date
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    Default RE: Paging Ron Picardi

    Examples of Pratt Truss. I think that you will find most of my railroad truss bridges fit this category.


    [img]https://www.trainsim.com/images/up1/113217.gif[/url]




    [Link Expired]
    SRV Ron

  4. #4
    Join Date
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    10,804

    Default RE: Paging Ron Picardi

    Hey ron, if I send you some pics of some bridges, think you can do them up for me? I really wish to get back to my route building, but creating the double deck bridge is rather hard. I did it once, but I lost all work when I placed my new hard drive on the system.

  5. #5
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    Default RE: Paging Ron Picardi

    With some pics, I may be able to point to to ones already uploaded.

    A Search for Pratt Truss Bridge shows that there many variations in this design. You can also check Bridge Basics web site for more info and examples. http://pghbridges.com/basics.htm

    I believe this is what was being requested, a Pratt Deck Truss design. This can be found as part of a kit in srvocbrd.zip in the forum library.

    SRV Ron



    Edit, Actually, that first hay bridge on the first post labeled as a Warren Truss is actually a Pratt Truss design.

  6. #6
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    Default RE: Paging Ron Picardi

    The bridge on the east side of the yard.
    http://photos.nerail.org/showpic/?20...field&BOOL=ANY

    http://photos.nerail.org/showpic/?20...field&BOOL=ANY


    The one on the west is pretty much the same as the east, they both are double track deck girders.

  7. #7
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    Default RE: Paging Ron Picardi

    This bridge, if single track, I have modeled already. It is part of the Ohio Crossing package.

    If this design is ok, it can be modified to twin track.

    SRV Ron



  8. #8
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    Default RE: Paging Ron Picardi

    That looks great Ron, Just adjust it to be double track, and I think I got most of the bridges on the West End all set. :)

  9. #9
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    Default RE: Paging Ron Picardi

    beta part attached. Textures not included. See the Readme1st for more info.

    SRV Ron

  10. #10
    maiatcat Guest

    Default RE: Paging Ron Picardi

    Ron, thanks for the info on the Pratt truss Deck Bridge. I have included pictures of the bridge. Under the PRR trackage runs Reading trackage on either side of the river. If I use Enocell's two track bridge everything underneath clears including GG1's pantographs. If we use the correct truss bridge as currently structured, the GG1s cannot clear the trackage under the bridge unless I just put the truss over the river. I tested fited some in the second picture. The only way to use a truss here would be to lower the designers track in a two mile direction for issues of visibility or ask you to reduce the height of the truss work on the lower side of the bridge. Your comments please.






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