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    Сranequin XVI (replica)

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    GAV
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    Сranequin XVI (replica)

    Post by GAV on Mon Feb 25, 2013 9:39 am

    Hi!

    I made cranequin replica XVI century.

    Prototype: (1) Segovia Alcazar, Spain (2) Artillery Museum, St-Petersburg, Russia

    For more information: http://forum.arbalet.info/viewtopic.php?f=1&t=8549&start=105


    Foto:








    Drawing:

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    Henry
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    Re: Сranequin XVI (replica)

    Post by Henry on Mon Feb 25, 2013 12:27 pm

    A perfect work... Smile

    Shure it isn't an original? Razz Razz Razz (gag)
    All my congratulations GAV. It looks amazing.

    Enrico.
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    Re: Сranequin XVI (replica)

    Post by Hotspur on Tue Feb 26, 2013 7:11 pm

    Beautiful.

    How did you do the etching?

    GAV
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    Re: Сranequin XVI (replica)

    Post by GAV on Tue Feb 26, 2013 10:30 pm

    Thanks )

    Hotspur, It is chemical etching ( CuSO4 )
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    Re: Сranequin XVI (replica)

    Post by Hotspur on Wed Feb 27, 2013 9:53 am

    GAV wrote:Thanks )

    Hotspur, It is chemical etching ( CuSO4 )

    What etching resist did you use?

    GAV
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    Re: Сranequin XVI (replica)

    Post by GAV on Wed Feb 27, 2013 11:22 am

    Hotspur

    Sorry, I very bad understand English

    Drawing of a resist of etching:
    Horizontal smooth surface - UV-print
    Other surfaces - handwork, paint by bitum


    The etching process I told here (on Russian):
    http://forum.arbalet.info/viewtopic.php?p=36035#36035
    http://forum.arbalet.info/viewtopic.php?p=36106#36106
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    Re: Сranequin XVI (replica)

    Post by Hotspur on Thu Feb 28, 2013 3:03 pm

    GAV, your English is good.

    I am interested in chemical etching.

    my first try on steel:
    http://thearbalistguild.forumotion.com/t818-first-crossbow

    I used ferrous sulphate (FeSO4 ?)and 14v current...

    with a laser photocopy resist...

    GAV
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    Re: Сranequin XVI (replica)

    Post by GAV on Fri Mar 01, 2013 11:49 am

    Hotspur, good work ))

    I tried experiments:
    - acid H2SO4 (water solution)
    - acid HNO3 and HCOOH (mixeds in water)
    - sals NaCl and 15v current (1...5A)

    As result - I liked CuSO4 )

    laser photocopy - not good connection (steel-paint), in my work.

    Interesting to me photoresist, it is in future
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    Re: Сranequin XVI (replica)

    Post by Hotspur on Sat Mar 02, 2013 2:33 pm

    Gav, thank you for the links, very interesting.

    I'm going to try this transfer paper...

    http://www.ebay.ca/itm/10x-Press-n-peel-Blue-Toner-Transfer-Paper-Film-Etch-PCB-Circuit-Board-Jewelry-/330881222179?pt=LH_DefaultDomain_2&hash=item4d0a0ec623&_uhb=1#ht_2653wt_1066


    GAV
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    Re: Сranequin XVI (replica)

    Post by GAV on Tue Jan 26, 2016 2:44 am

    Hi! It's my second cranequin:





    More details is here (in Russian).

    GAV
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    Re: Сranequin XVI (replica)

    Post by GAV on Tue Jan 26, 2016 2:46 am

    And the third:







    Cranequin with my crossbow here

    phuphuphnik
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    Re: Сranequin XVI (replica)

    Post by phuphuphnik on Tue Jan 26, 2016 2:55 am

    can't type well, jaw on floor. Beautiful!
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    Re: Сranequin XVI (replica)

    Post by septua on Tue Jan 26, 2016 8:32 am

    GAv

    Great!! I especially like the way you incorporated an uncovered spoked wheel.

    Tom

    GAV
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    Re: Сranequin XVI (replica)

    Post by GAV on Mon Jan 23, 2017 10:21 am

    Hi! My new cranequin:







    more details is here (in Russian):
    http://forum.arbalet.info/viewtopic.php?p=93432#93432

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    Re: Сranequin XVI (replica)

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