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  1. #1
    Jon
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    Panzer tank hull being quenched

    Gorgeous photograph of a tank hull being quenched. Internet chatter indicates that this is a Swiss Panzer tank from around the '60s or '70s. Beautiful enough to justify printing and framing for formal display, in house or shop.



    Previously:

    tank silencer
    steam-powered tanks
    Tankenstein rat rod
    Big Wind firefighting jet tank
    WWII Churchill tank converted into mine clearer

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    Inner (07-30-2017), KustomsbyKent (07-30-2017), Marc Broussard (07-31-2017), NortonDommi (07-30-2017), Priemsy (07-30-2017), Seedtick (07-31-2017), Toolmaker51 (07-31-2017), Tule (07-31-2017), will52100 (09-01-2017)

  3. #2
    Mikebr5's Avatar
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    No kidding... That is beautiful I didn't know that such quenching was done.
    Big industry is amazing and wonderful.

  4. #3
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    Hellova a lot bigger than a Ngombe Ngulu blade...lol

  5. #4
    Frank S's Avatar
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    I was thinking about the shear enormity of the furnace to heat up that much mass probably have to be fed by a 24" or larger gas main maybe several
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

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    Marc Broussard's Avatar
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    Don't try this at home. Wife will have bigly issues. LOL. I wonder if this is still getting done. Here in America maybe? A whole tank?

  7. #6
    Toolmaker51's Avatar
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    Print and Frame, and jpeg; exactly what I will do.
    I collect examples that indicate what a manufacturing economy is all about.
    And a few that indicate the narrow impact of a service economy.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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  9. #7
    Frank S's Avatar
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    Quote Originally Posted by Toolmaker51 View Post
    Print and Frame, and jpeg; exactly what I will do.
    I collect examples that indicate what a manufacturing economy is all about.
    And a few that indicate the narrow impact of a service economy.
    I save a lot of these unique photos of manufacturing processes especially the ones from an eara when it would have been thought impossible to accomplish.
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

  10. #8
    Toolmaker51's Avatar
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    Quote Originally Posted by Frank S View Post
    I save a lot of these unique photos of manufacturing processes especially the ones from an eara when it would have been thought impossible to accomplish.
    Frank, I agree wholeheartedly. My favorites are the WWII era ads from Fortune and Life magazines, featuring American manufacturing supporting the war effort.
    In my own short life I recall when impossible was just a term, the perspective was difficult or a challenge. Intuition, judgement of options, testing, and adding 10% margins solved many projects.
    Impossible to accomplish wasn't known until professional engineers and digital designwork collided with centuries of fit, form, and function, initiated by sliderules and notepads.
    Egyptian Pyramids. Hoover Dam. Small Block Chevy. Tennessee Valley Authority. Model T. Wright Brothers Flyer. Golden Gate Bridge (nearly any bridge for that matter, including Iron Bridge in England...) Aircraft and radial engines built before the 60's. V Twin Harley-Davidson's...need I continue?
    Some not so successful, because 'certified' engineers & accountants got into the act of design; The Titanic, Galaxy Note 7, (google 'design failures for plenty more). The Titanic is rather unfairly judged, unsealed compartmentalization notwithstanding. The failure is not of the ship so much, as the rhumbline courses it was ill designed for.
    Panzer tank hull being quenched-but.jpg Panzer tank hull being quenched-solution.jpg
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  11. #9
    Frank S's Avatar
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    I used to have a little saying on a plaque that sat on my desk .
    " I f anyone else could do it why did you bring it to us? Here we only focus on the impossible, which is usually done imeadiatly. The difficult will be done according to regular scheduling . The simple should be redesigned prior to submittal ,and the easy will be re evaluated and modified before farming out.
    We only want your business not your busyness"
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

  12. #10

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    Interesting! Consider the weight of the whole tank. Then it is being suspended by 4 chains (that are also being heated and weakened!) attached to 4 stubs that have been heated and lost strength. Timing of this operation is non-trivial.

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