Worlds largest wrench? - Page 3
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  1. #41
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    Largest nuts I saw were on the foundation bolts for a slabbing mill.

  2. #42
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    Biggest I've handled, not used, is a 7-5/8" Williams, the largest catalog size in the 1940s. About 54" long and 150 pounds. This example was in Altoona, PA.biggest-wrench_r1.jpg

  3. #43
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    Yeah they're a " Flogging Spanner " over here. I'm not sorry my sledgehammer days are over.

    Regards Tyrone.

  4. #44
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    I have an old Bliss press manual, and the approved method of "torquing" the studs that hold some presses together is a shrink fit. Snug up the nuts, then heat the long studs through the openings provided in the frame. When the clearance between nut and frame reaches the right amount, snug up the nuts again and let it cool.

    No crazy wrenches or hammers required. Of course the studs may be 8 feet long or more, so the expansion is not at all subtle at even a moderate temperature rise.

  5. #45
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    Here is a picture of my friends 6' Coes key wrench. It opens up to about 12" and weighs 166 pounds. It is one of only two known in existence. It was in their catalog as a special order item.
    Attached Thumbnails Attached Thumbnails 004.jpg  

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  7. #46
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    I've come across a big one. This photo shows its 62" tall, 27" at widest, weighs 531 lbs. Its a piston retainer nut wrench for 1900's stationary steam engine.
    Click on photos to enlarge.


    Better pic showing size.


    Drawing giving us the clue what the wrench was for.
    Note top nut on right, cylindrical with keyways.


    Drawing of the cylindrical nut wrench set for Southwark Porter-Allen engines.


    This wrench and 12 others came from,


    The 13 wrenches will be shown at the "Coolspring Power Museum" Engine Show, link below.
    http://www.coolspringpowermuseum.org/

    Short video of them. Youtube put ads on my channel, not me.
    https://www.youtube.com/watch?v=LJ7UjQhpIwo

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  9. #47
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    Forget the wrenches - I love the pointing stick! A must have in any shop or factory.

    "Drill the hole HERE!" [points with stick]

  10. #48
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    Regrets, wrenches seem old hat.
    LASER CUT ENGRAVED WOODEN HAND POINTING FINGER MAGNET 4 3/4" L X 2" W | eBay
    No connection to seller.

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  12. #49
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    Quote Originally Posted by wrenchguy View Post
    Regrets, wrenches seem old hat.
    LASER CUT ENGRAVED WOODEN HAND POINTING FINGER MAGNET 4 3/4" L X 2" W | eBay
    No connection to seller.
    Dagnabbit, I may have to get a few of those. If nothing else, it'll help with the earwax buildup...

  13. #50
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    Quote Originally Posted by michiganbuck View Post
    If I remember right think I read someplace that Vikings liked big wenches.
    Wenching - much more fun than wrenching.

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  15. #51
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    Lots of times large fasteners are stretched hydraulically, and the nuts run down on them, and then the tension is released. In one of the photos below the studs are about ten feet long and are anchored in concrete. A large domed head is held on with nuts run onto the studs, you can see the rig being used on two of them at one time. This is a domed pressure head forging that caps a pressure tunnel for the catskill aqueduct, the items shown in the photo are in a small brick house at the point where the inverted siphon comes to the surface at the west side of the hudson river, at breakneck ridge.

    (center left photo, number 3)
    Attached Thumbnails Attached Thumbnails catskill.jpg  

  16. #52
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    Kind OT but those prop wrenches are usually preceded by some det cord wrapped
    wrapped around the prop nut, and detonated. Shock 'em to give the poor bloke on the end of the wench a fighting chance.
    Cool method as long as you don't blow out your stuff box, or stern tube.

  17. #53
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    While not very big compared to lots of wrenches in this thread, My 48" rigid gets used a lot. If I found a 60" I'd buy it in a heartbeat.

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  19. #54
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    A place I worked at back in 1990, we had a 60" Ridgid pipe wrench that surfaced from one of the shops we shut down. We used it in our R & D lab for making up and breaking out drill pipe connections using a over head crane. Did I mention the handle was broken off! Don't miss that type of work at all. At least, there's younger guys that like to do that now. I just stand back and point and use hand signals.

  20. #55
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    Quote Originally Posted by HUMPHREY MACHINE View Post
    This link shows a propeller nut wrench from the Queen Mary.

    Queen Mary pics... in the spirit of happy thoughts...
    I just wanted to see the wrench, not the fat ugly broad.


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