Why Snatch Blocks are AWESOME (How Pulleys Work) - Smarter Every Day 228

  • Published on Dec 5, 2019
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    If I did this right then these are Amazon affiliate links to purchase a snatch block. (I have no idea what I'm doing)
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    We discussed Snatch Blocks on this episode of the No Dumb Questions podcast:
    If you'd like to 3D print the Snatch Blocks and pulleys we use in this video they are here: www.thingiverse.com/thing:4022579
    Read Plutarch's account of Archimedes:
    The wikipedia page on Block and Tackle is really good:
    I thought this was a great video about why you should put blankets on your winch cable: ru-clip.com/video/gPba-34ARZY/video.html
    Chris Hadfield is a veteran Canadian Astronaut and a great friend of science. He engages the public often and is a great follow on twitter: Cmdr_Hadfield
    He can be contacted for speaking engagements here:
    Jeremy Fielding has his own RU-clip channel which you can enjoy here!
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  • Science & TechnologyScience & Technology

Comments • 11 316

  • SmarterEveryDay
    SmarterEveryDay  Month ago +2187

    Snatch Block!
    I want to take a moment to thank those of you who support Smarter Every Day on Patreon. I'd also like to point out 2 things about this video.
    #1. You'll notice Jeremy Fielding is in this video. He's the "Contraption Fabricator" that's started working with me now because of your support on Patreon. He's a great designer, father, and friend. You'll be seeing more of Jeremy around thanks to those who support at www.patreon.com/smartereveryday/
    #2. If you'd like to 3D print the Snatch Blocks and pulleys we use in this video they are here: www.thingiverse.com/thing:4022579
    #3. I really enjoy KiwiCo and I think you will too. I got them as a Christmas gift for my children years ago, and it was a huge hit. It was after that experience that I reached out to their team and asked if I could advertise for them because of how good it was for our family. I think you'll enjoy it too. www.kiwico.com/smarter
    It was 3 things... I ended up pointing out 3 things.

    • russel finch
      russel finch 2 days ago

      SmarterEveryDay you know what’s amazing ?....hands !
      You can smash rock with them with a hammer,also pick up rough rock,grab hot items ,Stroke an animal,feel the slightest bit of grit on a surface,punch,massage....all with hands!

    • J Jay
      J Jay 13 days ago

      This was the longest add ever

    • Rimantas Liubertas
      Rimantas Liubertas 13 days ago

      @melanieenmats you are right. Gears and pulleys are just more sophisticated levers. And with lever you lose distance but you gain force.

    • PumarisX
      PumarisX 15 days ago

      @Ying Yen Lin It is basically a lever. Pulley is just a divider so if you have regular pulley (one wheel i.e. 2 ropes coming out of it) it means that your pulling force has been "doubled". Work carried out of course stays the same so your weight getting lifted traveled only 1/2 of your pulling distance. Adding another pulley to the setup again doubles the pulling force so now you would have 4x the force but only 1/4 of the pulling distance.

  • Wesley Tillman
    Wesley Tillman 5 hours ago

    If only they'd come up with a better name than snatch block; too many connotations.

  • Dexter Rockstar
    Dexter Rockstar 7 hours ago

    this is just gear reduction, no?

  • Andrea Mora
    Andrea Mora 8 hours ago

    wow your kids are so big now :0

  • Damian Schofield
    Damian Schofield 9 hours ago

    I like your videos but in true American ideal you've learnt how to monetise growing up. Nice one :((

  • Abstractn
    Abstractn 10 hours ago

    16:18 amazing

  • Rodrigo F.
    Rodrigo F. 10 hours ago

    Ok, so my basic physics survival kit now got WD40, Silvertape, FlexTape and now Snatch Blocks!

  • apoek.lizt.blitz as
    apoek.lizt.blitz as 16 hours ago

    Is she your daughter? She is quite fair 😍😍

  • Allen Oxendine
    Allen Oxendine 17 hours ago


  • oceankhayne
    oceankhayne 17 hours ago

    There are really disturbing jokes that can be made about this video. So many jokes...

  • GlitchedBot
    GlitchedBot 17 hours ago

    How does this not violate the principle of conservation of energy? Someone please explain..!

  • Chris Murphy
    Chris Murphy 22 hours ago

    Did not need to watch this; thought I knew enough... but I still learned. Awesome & fascinating :)

  • Abe Wall
    Abe Wall Day ago

    This is how my wife (who weighs 115 lbs) hoisted her whitetail buck to the ceiling in my garage.

  • crazy jack
    crazy jack Day ago

    I got a story form trucking in Michigan so in Michigan trucks can be 80 ton gross and no permanent so this guy gets his 80 ton tanker trailer stuck in a ditch and gets him self out by using very big rope pulleys and raping one drive tire to make a winch and pulls the hole truck and trailer up onto the road i think he said was out in like 45 minutes

  • Fredrick Gilmore

    I learned nothing

  • Mr. Übermensch
    Mr. Übermensch Day ago

    This is a amazing work dude

  • Clean Liven
    Clean Liven Day ago

    Great job. Liked subscribed and made an order from kiwi for my little scientists. T.y and keep up the good work!

  • gradyrm237
    gradyrm237 Day ago

    "That's want you want. You want to be the person who knows how to use the snatch...."

  • wyatt waltersXD
    wyatt waltersXD Day ago

    It’s not rlly free you have to pay shiping

  • Camoboy31
    Camoboy31 Day ago

    Please do more chris hadfield

  • BuHaj
    BuHaj Day ago

    Na miniaturce myślałem że to Artur Bińkowski

  • Lucas Lund
    Lucas Lund Day ago +1

    Destin: Everybody wants to be the person who can arrange pulleys in the smartest way.
    Me: ???

  • Garret James
    Garret James Day ago

    When lacking a snatch block, use a HOOK & LOOP!!

  • Darren G
    Darren G 2 days ago

    I was one of those guys that thought pulleys were cool but never real understood how they worked. Now I do thanks to you, and a great video to.

  • Mike
    Mike 2 days ago +1

    My wife pulls the snatch block all the time grrrrr......

  • danny yo
    danny yo 2 days ago

    imagine being blocked by snatchblock

  • ArchangelV11
    ArchangelV11 2 days ago

    Such a good episode, your kids are awesome

  • Eric Danko
    Eric Danko 2 days ago

    you need a field trip to a steel plant maintenance department! keep up the good work...

  • Tungsten Hexafluoride

    I literally was sitting here YESTERDAY thinking to myself "How in the world do pulleys give you an advantage...HOW TF DOES MAKING A ROPE GO AROUND A CIRCLE MAKE THINGS EASIER???" And then this video shows up in my recommended...

    EGGINFOOLS 2 days ago

    What about the diameter of the wheel on the pulley? How does that interact?

  • Central Intelligence Agency

    That's a back injury waiting to happen.

  • Blah Anger
    Blah Anger 2 days ago

    A pulley is basically a lever on an axl.
    But instead of a longer lever you just need more rope and pulleys.

  • zerokmatrix
    zerokmatrix 2 days ago

    Only Dustin can walk up to a work crew fixing a barrier and say "hey dudes, can I film your snatch blocks?" and they say "Sure, no problem".
    And also message superstar astronaut Chris Hadfield and say "hey dude, can you film a little piece about using snatch blocks in space?" and he says "Sure, no problem"

  • shubham kumar
    shubham kumar 3 days ago

    Destin is such a wonderful guy ,I want to meet him in person..

  • Josh M
    Josh M 3 days ago +7

    Snatch block: When a girl invites you to go home with her but her ugly friend shows up and says she needs a ride home.

  • Jonathan Parker
    Jonathan Parker 3 days ago

    The current day “Mr.Wizard”.

  • Dave Schidlmeier
    Dave Schidlmeier 3 days ago

    It's called the working factor... the formula is... the number of ropes on the movable sheaves is the working factor of the set of blocks...if 2 ropes are attached to the movable sheaves the working factor is 2:1.. if 4 are attached its 4:1 and so on .. 8 on the movable sheaves is 8:1...you get 8 lbs of pull on the movable sheaves with each 1 lb applied forse on the pull rope... hence an 8:1 working factor

  • James wingert
    James wingert 3 days ago

    That Jeep’s front driver’s tire was looking pretty bald.
    Just saying....
    Great video...your kids are lucky to have such a smart & fun dad!👍

  • John Doe
    John Doe 3 days ago

    Couldn't call it a C - - t block

  • Xaverderschnitzelfan

    I heard snatch bloxk that often, that I forgot the name of SNATCH BLOCKS in my native alanguage german.

  • Xaverderschnitzelfan
    Xaverderschnitzelfan 3 days ago +1

    Can you adopt me please?

  • David Johnston
    David Johnston 3 days ago

    Anyone else notice Mark Rober in the group shot at KiwiCo?

  • Eugene Coleman
    Eugene Coleman 3 days ago

    @smartereveryday if I can find the pictures I'll send them. I once used a tree, a 10k lbs. tow strap, a winch, and a snatch block to pull a full sized backhoe out of about a foot and a half of mud

    SØHΔM KØLΔMBE 3 days ago +1

    snatch block counter :- 38
    just in case anyone was wondering

  • John Dough
    John Dough 3 days ago

    So THATS where that name came from. I was curious of its origin. 🤓

  • romanmir01
    romanmir01 4 days ago

    all of this and he doesn't explain why pulleys work. They work because the length of the rope that flows through pulleys gives the same physical advantage as a lever. A pulley is a compact lever.

  • TNecromancer • ML
    TNecromancer • ML 4 days ago

    8:05 ¡MUY BIEN AMIGO!

  • standard mail
    standard mail 4 days ago

    And BTW, TRUST ME she DOES have an office or private space for the CEO calls that the plebs cannot hear. To pretend otherwise is condescension taken to a new level. Its VERY pukeworthy.

  • standard mail
    standard mail 4 days ago

    The sponsor lady has a rich IT Monied up hubby who got her start up cash. She is the epitome of silicon valley elite. Do NOT buy this shite.

  • Chris Cole
    Chris Cole 4 days ago

    FYI there not pulley's. You are using a sheeve. A pulley is used to run belts and a sheeve is for ropes to run through to help aid lifting device's.

  • Coffee
    Coffee 4 days ago

    Your like the Snatch Block Whisperer. Nice video.

  • Johnny Walker
    Johnny Walker 4 days ago

    A snatch block is the way to go ..
    Snatch a kiss , kiss a snatch.

  • W.D. Callahan
    W.D. Callahan 4 days ago

    So a transformer is an electrical pulley. Right?

  • Mike Bellini
    Mike Bellini 4 days ago

    8:44 SNATCHBLOCK. I'm going to be shouting that at people, but they'll have no idea :/

  • Dylan Cla
    Dylan Cla 4 days ago +5

    I figured out the mystery of all mysterys THE PYRAMIDS BUILT WITH SNATCH BLOCKS.

  • Purandar Malleshi
    Purandar Malleshi 4 days ago

    You are the best Teacher.

  • Tyler Geurkink
    Tyler Geurkink 4 days ago

    Could you do an episode on springs. Like how springs absorb energy and shoot it out. The science behind it and how it’s almost necessary to have a spring in a modern day rifle.

  • Vazfx Design and Fabrication

    This is the best ever. Great visual displays

  • Levi Pack
    Levi Pack 5 days ago

    i was tightening my boots before work and it made me realize that tightening your shoes kind of works in the same way as the pulleys making it much easier to make the shoe hug your whole foot

  • Brett Veazie
    Brett Veazie 5 days ago

    Question, and possible answer.... The blanket over the winch cable during the jeep pull. Was that there to dampen/restrict whiplash from the cable in case it broke?