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Class 27 From kit to completion.

Discussion in 'Workshop Benches' started by York Paul, Jan 8, 2019.

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  1. Feb 11, 2019 #201
    SBt

    SBt Full Member

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    And if possible any pipework feeding/comming from the fuel tanks etc? That would be great!
     
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  2. Feb 11, 2019 #202
    Toto

    Toto I'm best ignored Staff Member Founder Administrator

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    Thanks chaps.
     
  3. Feb 11, 2019 #203
    paul_l

    paul_l Staff Member Administrator

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    One point worth remembering in the resin v white metal casts, not all of these parts are suited to white metal casting, quite a few of them have open sections that a mould could not reproduce, so either 3D resin printing or lost wax brass casting may be the only answer.




    I think these may be a bit difficult to cast - but would love to be proved wrong

    Same with some of the brake gear


    The above prints are not perfect as I am playing with the settings and layout of parts to try and fit a complete bogie on to one print.

    Paul
     
  4. Feb 11, 2019 #204
    SBt

    SBt Full Member

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    I found this in my early days with 3d print. Trying to jam one whole kit's worth on one build plate. It didn't happen. Try doing one bogie at a time. OK longer hours but better results.
     
  5. Feb 11, 2019 #205
    paul_l

    paul_l Staff Member Administrator

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    Hi Steve,

    That is one bogie's worth, it worked with the Anycubic Green resin, but ran out of resin during the print - I actually thought it would have run out two prints earlier.
    I am trying with the Elegoo Resin, and a fresh install of the software on my new PC.
    Another print on the go with slightly modified settings - cure time up to 15sec per layer, all the base layers worked so fingers crossed.

    Paul
     
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  6. Feb 11, 2019 #206
    York Paul

    York Paul Staff Member Moderator

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    Steve I'll PM Andy on Messenger in case he misses this.
     
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  7. Feb 12, 2019 #207
    Andy_Sollis

    Andy_Sollis Staff Member Moderator

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    I’ve asked Terry and Iain, but sadly neither are up there in the next fortnight due to work. So we will get them when we get them I’m afraid. Not ideal but we will have to be patient.

    Would the stones speedo be the same as fitted to the 33? I can always ask one of the CVR lads to snap that one?
     
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  8. Feb 12, 2019 #208
    SBt

    SBt Full Member

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    I just had a thought (Either that or I've wacked my head on something): I have some spare 6 cylinder Sulzer engine bits, enough to build a model like the one in the pic. This was the power unit used in the 24,25,26 and 27's. Do you want one free for this display loco?

    24 25 1.jpg 24 25 2.jpg
     
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  9. Feb 12, 2019 #209
    York Paul

    York Paul Staff Member Moderator

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    Ooh yes please Steve it will add a nice detail touch through the side windows. Thank you very much :thumbs:
     
  10. Feb 12, 2019 #210
    York Paul

    York Paul Staff Member Moderator

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    Yes I think it more than probably might be come to think of it Andy, could you ask for a photo of the speedo and milecounter which is on the other side of the same wheelset from the 25 also pls? Do you have a 37 at Chedd these days? Thanks again Andy.
     
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  11. Feb 13, 2019 #211
    Andy_Sollis

    Andy_Sollis Staff Member Moderator

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    No. Not at this time. Both went back mainline. One now running around as 37558 Avro Vulcan.

    I’ll ask Martin to grab some photos.
     
  12. Feb 20, 2019 #212
    paul_l

    paul_l Staff Member Administrator

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    A bit more work on the 3D prints

    Had an issue with the desk area, the bottom corner looked like it had been melted


    The other side was fine, and the 3D model was also correct

    Test print done with the desk perpendicular, but to try and avoid the print being pulled off the supports, I increased the supports to 40%, and used the heavy setting.



    The bottom edges of both sides are spot on.

    And for those interested, a shot showing the dash and door (change of focal point).

    The print with 2 x desks and 2 radiators took 3h 58m.

    Paul
     
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  13. Feb 20, 2019 #213
    paul_l

    paul_l Staff Member Administrator

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    Oops forgot the dash pic


    Paul
     
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  14. Feb 20, 2019 #214
    Toto

    Toto I'm best ignored Staff Member Founder Administrator

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    These look really good Paul.
     
  15. Feb 21, 2019 #215
    York Paul

    York Paul Staff Member Moderator

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    Yes they look really good :thumbs: nice one Dundee :tophat:
     
  16. Feb 21, 2019 #216
    Andrew Thompson

    Andrew Thompson Full Member

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  17. Feb 21, 2019 #217
    SBt

    SBt Full Member

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    Ah - Just what I needed!
     
  18. Feb 21, 2019 #218
    Toto

    Toto I'm best ignored Staff Member Founder Administrator

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    Thanks Andrew. Much appreciated. :thumbs:
     
  19. Feb 22, 2019 #219
    paul_l

    paul_l Staff Member Administrator

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    Little bit of a printing frenzy today

    This time using the Elelgoo Grey resin.

    Cab fronts and canopies


    Cab Floors and radiator spars


    Plus - still curing under the UV lamp

    Desks with Radiators, the radiators now angled, as when printed horizontally the under side ended up with pools of resin sticking to it. Now this may be caused by the more viscous nature of the AnyCubic resin.
    And the Door hand rail recesses, cab air tanks fan cowl.

    Pics to be uploaded later

    Paul
     
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  20. Feb 22, 2019 #220
    SBt

    SBt Full Member

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    Those leaf springs will actually cast believe it or not - I've done it many times.

    The brake gear was designed to be 3d printed for ease of assembley and to prevent shorting.
     
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