Märklin 4-6-0 conversion

Steffen B Nov 9, 2017

  1. Steffen B

    Steffen B TrainBoard Member

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    Hi all,
    after last Christmas I was able to get a Märklin Z-scale Chrsitmas train, including a Tenwheeler. Because I am modeling the after-WWII-era, I want this loco a bit modernized. Points of work will be pilot truck, cylinders, cab and tender. The latter is to be replaced, the new one should have power pick up: 4-6-0 Original mit Arbeiten 2017-11-08.jpg

    Loco with the new tender from Märklin-2-8-2, test arrangement:
    4-6-0 Stellprobe 2017-11-08.jpg

    I added AZL-truck with power pick ups to the new tender:
    4-6-0 Tender 2017-11-08_01.jpg
    4-6-0 Tender 2017-11-08_03.jpg

    So far now,

    Steffen
     
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  2. Kurt Moose

    Kurt Moose TrainBoard Member

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    Nice work so far!(y)
     
  3. SJ Z-man

    SJ Z-man TrainBoard Member

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    I prefer to tension the center of the axle. Placing it on one side forces that side down, sometimes leaning the truck/car. Also, not too much tension, so the wheels don't drag. Use capacitors to store the energy.
     
  4. strummer

    strummer TrainBoard Member

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    Perhaps you can put those pick-ups on both sides of the screw(?)

    Gee, changing out that tender made a huge difference... :)

    Mark in Oregon
     
  5. Steffen B

    Steffen B TrainBoard Member

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    Ok, I will check this. Actually I wanted to use these wipers, offered by SBS4DCC, but sadly there are no items in stock:
    upload_2017-11-10_13-46-5.png

    Perhaps I can bend my wipers for touching wheels inside, but probably this would increase rolling resistance a bit.
     
  6. Steffen B

    Steffen B TrainBoard Member

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    Hi all,

    bending my wipers for touching the wheels did not work. So I use the axles. I have checked the tender, I can see no leaning:
    4-6-0 2017-11-18_01.jpg

    4-6-0 2017-11-18_02.jpg

    Connection loco - tender by VERY thin wires for flexibility:
    4-6-0 2017-11-18_05.jpg

    Now I am working on cylinders for something of "slide-valve-style".
    Before:
    4-6-0 2017-11-18_06.jpg

    After:
    4-6-0 2017-11-18_08.jpg

    Regards, Steffen
     
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  7. strummer

    strummer TrainBoard Member

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    Wow, nicely done!

    Mark in Oregon
     
  8. Steffen B

    Steffen B TrainBoard Member

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    Thank you very much.

    Does anybody know a good tool to make a smooth surface on such a very small part?
    I tried to use a fibreglass pencil to remove scratches from filing down the cylinder, but the result is not perfect, especially in corners.

    Any idea is welcome...
     
  9. ZFRANK

    ZFRANK TrainBoard Member

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    I always glue very fine grain sand paper to small pieces of wood or styrene. This makes very cheap but usefull sanding tools.
     
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  10. Steffen B

    Steffen B TrainBoard Member

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    Hi Frank,

    great idea...simple way is the best...
    Thank You.
     
  11. Steffen B

    Steffen B TrainBoard Member

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    Today I made a first testrun. Now the pilot truck is a bit "heavier" because its appearence was too light after removing the two inner drain cocks.
    4-6-0 2017-11-20_01.jpg

    4-6-0 2017-11-20_03.jpg

    Here is a short film:
     
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  12. Steffen B

    Steffen B TrainBoard Member

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    I was not happy with power pick up on tender trucks.
    So I changed the design. Now I use small springs and little tubes of brass on which are soldered the old wipers.
    It is only 1 axle practically, but makes power pick up very safe now.

    DSC_0325.jpg
     
  13. tjdreams

    tjdreams TrainBoard Member

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    That's a interesting solution for power pickup. Dose it create any noticeable drag on the wheels turning?
     
  14. Steffen B

    Steffen B TrainBoard Member

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    Theres is a little drag, but springs are very soft. So this is not a problem.
     
  15. mdvholland

    mdvholland TrainBoard Member

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    Steffen, do I understand correctly you removed the wheels from the axle to install the tube and spring? If so, how did you manage that?

    Matt
     
  16. ZFRANK

    ZFRANK TrainBoard Member

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    Steffen, it comming along very well!
     
  17. Steffen B

    Steffen B TrainBoard Member

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    Hi Matt,

    you are right. I removed the isolated wheel, installed spring and tube and reassembled the wheel. Controlled the right distance between wheels, then soldered the wiper. A plastic insert in the isolated wheel prevents the tube for touching this wheel.

    DSC_0318.jpg
     
    Last edited: Nov 24, 2017
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  18. mdvholland

    mdvholland TrainBoard Member

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    Thanks, Steffen. How did you get the wheel off the axle?

    Matt
     
  19. Steffen B

    Steffen B TrainBoard Member

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    Hi Matt,

    just by hand, not difficult...
     
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  20. mdvholland

    mdvholland TrainBoard Member

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    Okay.... I never deared to try... Thanks.
     

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