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Love pulleys? Here you go!! https://www.AR15.Com/media/mediaFiles/71410/plot_combine-649966_JPG-1187718.JPGhttps://www.AR15.Com/media/mediaFiles/71410/plot_combine-649966_JPG-1187719.JPG View Quote |
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Love pulleys? Here you go!! https://www.AR15.Com/media/mediaFiles/71410/plot_combine-649966_JPG-1187718.JPGhttps://www.AR15.Com/media/mediaFiles/71410/plot_combine-649966_JPG-1187719.JPG View Quote "Rooster's a'layin' chickens, chickens layin' eggs, farm machinery eatin' people's arms and legs. I ain't hurtin' nobody, ain't hurtin' no one." |
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No need,here it is https://manuals.directutor.com/HPE/Rigging-Handbook.fm5-125/index.html?page=1 View Quote View All Quotes View All Quotes Quoted:
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Nice post. I had 5 acres of bull pine, and lodge pole logged on my property so I've got an awful lot of stumps to pull. I bought this to refresh my memory on pully's, there's not much to it that isn't in this manual. https://www.AR15.Com/media/mediaFiles/103648/IMG_0197_JPG-1187477.jpg https://manuals.directutor.com/HPE/Rigging-Handbook.fm5-125/index.html?page=1 edt- I eyeballed that online source. That is nice, but I still something I want in book form. |
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Love pulleys? Here you go!! https://www.AR15.Com/media/mediaFiles/71410/plot_combine-649966_JPG-1187718.JPGhttps://www.AR15.Com/media/mediaFiles/71410/plot_combine-649966_JPG-1187719.JPG View Quote |
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As someone that grew up on sailboats I am confused why people get confused. View Quote |
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Always loved Destin's channel and I know he is an actual rocket scientist, but the way he stood and filmed near the anchor point of the winch of the Jeep made me cringe. Ever see an anchor or winch cable fail under load? Someone posted a liveleak video of that happening here a while back. Snatch block came back through the windshield and made the poor driver's face look like the Predator. View Quote In fairnes, dude in the vid did drape the cables. |
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Had he consulted modern sailboat racers he would've had his mind blown. https://www.AR15.Com/media/mediaFiles/234934/20191208_062035_jpg-1187684.JPGhttps://www.AR15.Com/media/mediaFiles/234934/20191208_062035_jpg-1187685.JPGhttps://www.AR15.Com/media/mediaFiles/234934/Screenshot_20191208-062757_Chrome_jpg-1187693.JPG View Quote |
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Thanky, kindly. edt- I eyeballed that online source. That is nice, but I still something I want in book form. View Quote View All Quotes View All Quotes Quoted:
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Nice post. I had 5 acres of bull pine, and lodge pole logged on my property so I've got an awful lot of stumps to pull. I bought this to refresh my memory on pully's, there's not much to it that isn't in this manual. https://www.AR15.Com/media/mediaFiles/103648/IMG_0197_JPG-1187477.jpg https://manuals.directutor.com/HPE/Rigging-Handbook.fm5-125/index.html?page=1 edt- I eyeballed that online source. That is nice, but I still something I want in book form. FM 5-125 |
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I used to own a turbo'd E-scow. It was a spaghetti monster. Adjustable backstay, adjustable forestay, and dual adjustable running backs. There was probably four lines that if you did the wrong thing at the wrong time would drop the mast. View Quote |
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So to be clear, his experiment with the stuck jeep provided no mechanical advantage, correct? Simply using the snatchblock alone and moving the pull point from the tree to the bumper did not magnify force in any fashion. View Quote |
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A sheave is a component of a pulley, AKA pulley wheel. Pulley is an assembly. View Quote View All Quotes View All Quotes Quoted:
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Spent a lot of time working with them when I designed cranes. On cranes we called them sheaves. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. |
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They were never called pulleys where I worked, pulley was never a word used. We designed cranes to lift thousands of metric tons and had the Guinness book of world records lift hanging on the wall as we walked in. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. View Quote View All Quotes View All Quotes Quoted:
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Spent a lot of time working with them when I designed cranes. On cranes we called them sheaves. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. |
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Rube Goldberg making farm equipment now? View Quote View All Quotes View All Quotes Quoted:
Rube Goldberg making farm equipment now? |
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The sheave is just the "wheel" inside the block. (I hate the word pulley). View Quote View All Quotes View All Quotes Quoted:
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Spent a lot of time working with them when I designed cranes. On cranes we called them sheaves. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. I’ve got a 30” sheave grooved for 1.25” wire rope from a 100MT crane in my garage. |
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Worked in crane maintenance for awhile.
The only thing that got called a pulley was on the front of the engine. Shit most everyone called them “shivs” even if they knew better.. |
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There are other factors at work too. . . https://i.pinimg.com/originals/eb/b4/da/ebb4da9a2ec6e200068ff74b3004151a.jpg View Quote dyneema rope and low friction rings ftw. |
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who uses carbiners? dyneema rope and low friction rings ftw. https://arc-anglerfish-arc2-prod-bonnier.s3.amazonaws.com/public/AZ2272MFORIURJ3QSNLWE32O4A.jpg View Quote View All Quotes View All Quotes Quoted:
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There are other factors at work too. . . https://i.pinimg.com/originals/eb/b4/da/ebb4da9a2ec6e200068ff74b3004151a.jpg dyneema rope and low friction rings ftw. https://arc-anglerfish-arc2-prod-bonnier.s3.amazonaws.com/public/AZ2272MFORIURJ3QSNLWE32O4A.jpg |
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a big part on my job is confined space rescue and rope access.
i love rigging |
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i carry a z rig in my snowmobile with 2 double pulleys to make it a 4 to 1 if needed.
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That is both horrifying and fascinating at the same time. View Quote View All Quotes View All Quotes Quoted:
That is both horrifying and fascinating at the same time. I almost bought until I asked, " Do you have a service manual for it?" "Nope" "Belt guard?" "Nope" Wished I woulda done a quick finger count on him... |
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Rube Goldberg making farm equipment now? View Quote View All Quotes View All Quotes Quoted:
Rube Goldberg making farm equipment now? |
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I need a ring like that for my Jeep recovery kit, the people who sell them are very proud of them. View Quote View All Quotes View All Quotes Quoted:
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There are other factors at work too. . . https://i.pinimg.com/originals/eb/b4/da/ebb4da9a2ec6e200068ff74b3004151a.jpg dyneema rope and low friction rings ftw. https://arc-anglerfish-arc2-prod-bonnier.s3.amazonaws.com/public/AZ2272MFORIURJ3QSNLWE32O4A.jpg |
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A snatch block is like 20 bucks at tractor supply. View Quote View All Quotes View All Quotes Quoted:
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There are other factors at work too. . . https://i.pinimg.com/originals/eb/b4/da/ebb4da9a2ec6e200068ff74b3004151a.jpg dyneema rope and low friction rings ftw. https://arc-anglerfish-arc2-prod-bonnier.s3.amazonaws.com/public/AZ2272MFORIURJ3QSNLWE32O4A.jpg |
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I had a long thread about this awhile back. I finally accepted that pulleys and snatch blocks work, but I still think it's black magic. And just possibly the work of the devil.
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Quoted: Never a fan of running backstays. I think the photo in the pic is a sunfast 3600. The new 3300 has a swept back rig so you can ease the running backstays completely and the mast should be okay as they are used only for bending the mast and not structural support. Or so I've read on SA before my latest permaban. View Quote |
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They were never called pulleys where I worked, pulley was never a word used. We designed cranes to lift thousands of metric tons and had the Guinness book of world records lift hanging on the wall as we walked in. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. View Quote There were no pulleys on a drilling rig. |
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Yeah, those rings are smaller and I already have the soft shackles for them. View Quote View All Quotes View All Quotes Quoted:
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There are other factors at work too. . . https://i.pinimg.com/originals/eb/b4/da/ebb4da9a2ec6e200068ff74b3004151a.jpg dyneema rope and low friction rings ftw. https://arc-anglerfish-arc2-prod-bonnier.s3.amazonaws.com/public/AZ2272MFORIURJ3QSNLWE32O4A.jpg I remember when the soft shackles started to become popular....people payed way too much for those too because they were new and high speed, low drag. A snatch block or two and a tree strap doesn't take up any appreciable amount of space and are both dirt cheap. |
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Sheaves are in the blocks on a drilling rig. There were no pulleys on a drilling rig. View Quote View All Quotes View All Quotes Quoted:
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They were never called pulleys where I worked, pulley was never a word used. We designed cranes to lift thousands of metric tons and had the Guinness book of world records lift hanging on the wall as we walked in. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. There were no pulleys on a drilling rig. |
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Anyone that been offroading knows the power of snatch blocks aka pulleys, can double or triple winch capacity
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Realizing this helped me. It may help others. Obvious in hind site.
The only way the effort is halved is if the pulley is moving. The stationary pulley does nothing. |
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Realizing this helped me. It may help others. Obvious in hind site. The only way the effort is halved is if the pulley is moving. The stationary pulley does nothing. View Quote |
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You might not have called them pulleys, but that’s what they are. View Quote View All Quotes View All Quotes Quoted:
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They were never called pulleys where I worked, pulley was never a word used. We designed cranes to lift thousands of metric tons and had the Guinness book of world records lift hanging on the wall as we walked in. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. There were no pulleys on a drilling rig. |
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You said you need one though, you don't need one, you just want one because they are the latest and greatest way to recover. I remember when the soft shackles started to become popular....people payed way too much for those too because they were new and high speed, low drag. A snatch block or two and a tree strap doesn't take up any appreciable amount of space and are both dirt cheap. View Quote View All Quotes View All Quotes Quoted:
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There are other factors at work too. . . https://i.pinimg.com/originals/eb/b4/da/ebb4da9a2ec6e200068ff74b3004151a.jpg dyneema rope and low friction rings ftw. https://arc-anglerfish-arc2-prod-bonnier.s3.amazonaws.com/public/AZ2272MFORIURJ3QSNLWE32O4A.jpg I remember when the soft shackles started to become popular....people payed way too much for those too because they were new and high speed, low drag. A snatch block or two and a tree strap doesn't take up any appreciable amount of space and are both dirt cheap. |
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I’ve got a static’s/dynamics final over pulleys Tuesday...
I guess I can count watching that video as studying. |
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Put a lot of cranes an drilling rigs, none of the drawings said pulley. Lots said sheave. View Quote View All Quotes View All Quotes Quoted:
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They were never called pulleys where I worked, pulley was never a word used. We designed cranes to lift thousands of metric tons and had the Guinness book of world records lift hanging on the wall as we walked in. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. There were no pulleys on a drilling rig. Definition of pulley 1: a sheave or small wheel with a grooved rim and with or without the block in which it runs used singly with a rope or chain to change the direction and point of application of a pulling force and in various combinations to increase the applied force especially for lifting weights 2: a pulley or pulleys with ropes to form a tackle that constitutes one of the simple machines 3: a wheel used to transmit power by means of a band, belt, cord, rope, or chain passing over its rim Definition of sheave (Entry 1 of 2): a grooved wheel or pulley (as of a pulley block) |
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Good grief they are the same thing. From the dictionary. Definition of pulley 1: a sheave or small wheel with a grooved rim and with or without the block in which it runs used singly with a rope or chain to change the direction and point of application of a pulling force and in various combinations to increase the applied force especially for lifting weights 2: a pulley or pulleys with ropes to form a tackle that constitutes one of the simple machines 3: a wheel used to transmit power by means of a band, belt, cord, rope, or chain passing over its rim Definition of sheave (Entry 1 of 2): a grooved wheel or pulley (as of a pulley block) View Quote View All Quotes View All Quotes Quoted:
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They were never called pulleys where I worked, pulley was never a word used. We designed cranes to lift thousands of metric tons and had the Guinness book of world records lift hanging on the wall as we walked in. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. There were no pulleys on a drilling rig. Definition of pulley 1: a sheave or small wheel with a grooved rim and with or without the block in which it runs used singly with a rope or chain to change the direction and point of application of a pulling force and in various combinations to increase the applied force especially for lifting weights 2: a pulley or pulleys with ropes to form a tackle that constitutes one of the simple machines 3: a wheel used to transmit power by means of a band, belt, cord, rope, or chain passing over its rim Definition of sheave (Entry 1 of 2): a grooved wheel or pulley (as of a pulley block) https://www.thecrosbygroup.com/catalog/mckissick-sheaves/ |
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Every once in a while I create a new sock name, post some pro trump memes, get banned, and repeat. Occasionally, I get involved in a sailing topic. View Quote View All Quotes View All Quotes |
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Snatch block
I just love saying that ETA: Recovery in reverse direction with a front mounted winch. I keep three snatch blocks, three tree savers, and multiple shackles in the recovery kit for this very need. There, I said snatch block again. Attached File |
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They were never called pulleys where I worked, pulley was never a word used. We designed cranes to lift thousands of metric tons and had the Guinness book of world records lift hanging on the wall as we walked in. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. View Quote |
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Again, sheaves are pulley wheels. A pulley is a sheave with an axle.. a system or assembly. Trying to argue from authority because a company you worked for had a record means nothing. It isn't going to change the definition of pulley or sheave. They were likely calling a sheave a sheave, referring to the individual wheels in the block and pulley assemblies. A crane has lots of sheaves. It also has lots of axles going though those sheaves, it therfor has pulleys (or blocks, depending on the usage/enclosure), whether you call them pulleys or not. View Quote View All Quotes View All Quotes Quoted:
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They were never called pulleys where I worked, pulley was never a word used. We designed cranes to lift thousands of metric tons and had the Guinness book of world records lift hanging on the wall as we walked in. One set of cranes had 24 miles of wire rope on them, they had a lot of sheaves. |
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the reply on the principal of magnets to accomplish work. no one knows how they actually function.
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