SMS Derfflinger 3D Printed Project

Discussion in 'Warship Builds' started by darkapollo, Aug 13, 2021.

  1. darkapollo

    darkapollo Well-Known Member

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    Any input? I think this is going to work, but Im just a rookie :)

    upload_2021-8-20_17-54-12.png
    upload_2021-8-20_17-55-53.png
     
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  2. Anvil_x

    Anvil_x Well-Known Member

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    looks good to me.

    BTW don't worry about not having the shafts toed in. you have your stuff set up like I have Idaho set up
     
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  3. Evan Fowler

    Evan Fowler Well-Known Member

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    I have seen the Idaho in action. Good stuff
     
  4. Anvil_x

    Anvil_x Well-Known Member

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    lolololol tis but a flesh wound!!!
     
  5. darkapollo

    darkapollo Well-Known Member

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  6. Anvil_x

    Anvil_x Well-Known Member

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    that. is. impressive.
     
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  7. darkapollo

    darkapollo Well-Known Member

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    Hull is on the home stretch. Second roll of plastic has been opened and she is exactly half way!
    Banana for scale.

    6D562791-65D9-4FFE-A152-ECB61FB839E9.jpeg
     
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  8. Evan Fowler

    Evan Fowler Well-Known Member

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    Looking stout
     
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  9. darkapollo

    darkapollo Well-Known Member

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    So minor issue. Not sure how my measurements go away from me, but it is overall just a touch over 1/4" too long according to the IRCWW length allowance rules (59" overall vs 57.5+2% or 58.65") The beam is within spec. (7.91")
    Thoughts? I dont want to show up with this thing in Hagerstown only for someone to be "nope, its a hair too long"
     
  10. SnipeHunter

    SnipeHunter Well-Known Member

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    I doubt it would ever be an issue but seems like it would be a lot easier to fix now and never worry about it than run the risk of running an illegal boat and hoping it never comes up/nobody ever cares. Also fixing it later would probably be a royal PITA.
     
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  11. darkapollo

    darkapollo Well-Known Member

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    58.6 on the nose and everything is still with in the rules too.
     
  12. bsgkid117

    bsgkid117 Vendor

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    Generally that kind of issue is caused by whatever you scaled your source plans off of.

    Example, when I did the plastic cruiser kit my first prototype I had scaled the whole design based on the beam of the ship. Turns out our ship list beam is rather generous (wrong) for the cruiser that I had modeled, so scaling the whole ship off of that measurement made the ship an inch and 3/4 too long which perplexed me for the longest time until I took a good look at the actual measurements on the plans versus the ship list.

    If you brought that ship completely built to a regional, nobody is going to complain about it being a quarter inch too long. Nationals might be a different story, but considering you are new, it's a prototype, I'm sure that the assembled captains wouldn't have that big of an issue with it. The inch and 3/4 too long cruiser was allowed to battle.

    All in all, looking sharp. You should come down for one of my build sessions, would be fun to compare notes on 3D printed ships and you could check out the plastic cruisers and the plastic Queen Elizabeth.
     
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  13. darkapollo

    darkapollo Well-Known Member

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    What I did was take the 350 scale plans I had to Kinkos to have a digital scan created, imported that to fusion and then COMPLETELY FORGOT TO SCALE IT UP (insert 1980's sitcom laugh track). So I built the entire thing off 350 scale. Realizing my mistake I did some math and used Fusions scale function to blow up the already solid model.

    You can see where my maths went off course :-D
    I should say, my maths were good, Fusions scaling might be a little bit suspect.

    I was able to cut about 1/2" out of the center between two ribs and none the wiser.
    upload_2021-8-25_10-17-22.png

    Going back to the rudder. The rules state that all props/shafts and rudders must be present. So I am going to keep the front rudder but make a plug for the hole as well. CMA type of deal.
     
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  14. Mad_Modeller

    Mad_Modeller Active Member

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    Wonderful work sir
     
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  15. Evan Fowler

    Evan Fowler Well-Known Member

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    Looking forward to seeing your progress. Nice catch and repair.
     
  16. darkapollo

    darkapollo Well-Known Member

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    There are two sections on the printer right now, leaving the motor and rudder servo section left. I’m waiting to print that because I have heat set threaded inserts that I need to model and they arrive on Weds.
    It is just about a month out and I have so much left to do…
     
  17. Evan Fowler

    Evan Fowler Well-Known Member

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    If I know the Maryland guys half as well as I think they will move mountains to get you on the water. And we always have extra boats. We can battle all day and build half the night. To old for the up all night stuff
     
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  18. darkapollo

    darkapollo Well-Known Member

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    Lots of things left to print, buy, test, etc.
    I’m also going out of town for a week in mid sept…
     
  19. Evan Fowler

    Evan Fowler Well-Known Member

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    Meh, just do what you can bring what you have. And maybe it can atleast get on the water
     
  20. darkapollo

    darkapollo Well-Known Member

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    Honestly it’ll probably be doing sea trials but wont be able to battle. I know I can get it in the water by then. Even though the guns are used and should be good, having the firing circuits ready and tested will be another story.