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

5 des 2019
10 286 913 Áhorf

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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)
$22 - black 8 ton - 5 stars - amzn.to/2DMR4s8
$25 - red 8 ton - amzn.to/355WoTi
$29 - orange 10 ton amzn.to/2OWQFdb
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: ispast.info/losk/v-deo/m4GYkWOXmna1kJI.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: twitter.com/Cmdr_Hadfield
He can be contacted for speaking engagements here:
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Warm Regards,

  • 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.

    SmarterEveryDaySmarterEveryDayÁri síðan
    • Your sponsor should’ve been snatch block

      Koutarou ArakiKoutarou Araki19 dögum síðan
    • How do you get heavy or bulky items on second, third, etc floor? Get a harbor freight Gambrel with block and tackle find a multiple window connected by mullion... single header!!! :)

      Henry MyersHenry Myers19 dögum síðan
    • @SmarterEveryDay devis give us an idea about the ship in suez. 🤠

      aa azaa az19 dögum síðan
    • oh my god thank you this is so cool

      2UwUmasters2UwUmasters27 dögum síðan
    • Snatch Block has a whole other meaning now.

      batflybatflyMánuði síðan
  • every engineer knows kids are useful

    Вячеслав ИвановВячеслав Иванов9 klukkustundum síðan
  • These are great! why don't the science equipment companies include these in their catalogs? BTW, shoe eyelets and laces are another great way to show block and tackles in action!

    John MacukJohn Macuk9 klukkustundum síðan
  • Lol he acts like this is ground breaking news. It’s literally 4th grade Science. They taught this in school...We just barely remember

    DEADSTOCK DAVEDEADSTOCK DAVE11 klukkustundum síðan
  • Did they use snatch blocks to build the pyramids or was it Coral Castle?

    EVFU 10EVFU 10Degi Síðan síðan
  • Best promotion ever

    Anonymous BoyAnonymous Boy2 dögum síðan
  • 10:05 U DOG! ))))))

    Виктор ДутловВиктор Дутлов2 dögum síðan
  • Anyone who off-roads regularly knows how well a snatch block helps. It's small and light enough to keep with you, even if you don't have a winch. Just keep a hi lift jack and you can easily pull yourself out of any situation, in any direction if you can set up pulleys correctly to trees

    Tyler BickfordTyler Bickford2 dögum síðan
  • Like your videos keep up the good work! FYI a pulley is something that drives a belt or is driven by a belt as the fan and generator on a car are drive by a belt from the engine. In rigging the correct term for the grooved wheel in the block that a rope runs in is a sheave. Yes everyone calls them pulley block, but as the song of my youth said, " Nobody's right if everybody's wrong".

    David VikDavid Vik3 dögum síðan

    LurchieLurchie4 dögum síðan
  • I don't understand the need for snatch blocks in space all you should need is an anchor point to have a mechanical advantage on any weightless object

    Steven SkeensSteven Skeens4 dögum síðan
  • How many snatch blocks would you need to pull the earth?

    Alto ClefAlto Clef4 dögum síðan
  • It took a video about snatch blocks to make me realize how lousy my parents were at parenting.

    Taylor SlothTaylor Sloth4 dögum síðan
  • Thank our sponsor SNATCH BLOCK!

    Joey CoutoJoey Couto4 dögum síðan
  • When pulling the Jeep out, why do you need a packing blanket over the cable? I know it’s a safety. I just don’t know why.

    Brent WeeksBrent Weeks4 dögum síðan
  • The separate beautician mainly bump because multi-hop bacteriologically interfere concerning a naughty part. heady, precious street

    danielle garzadanielle garza4 dögum síðan
  • Didn't know polley could be so interesting great video great work

    Dalisa KingDalisa King4 dögum síðan
  • Plot twist the space commander is 35

    Joe CrawfordJoe Crawford5 dögum síðan
  • God you look and act EXACTLY like my Physics teacher from Senior year, just with less smugness.

    Flustered WeaselFlustered Weasel5 dögum síðan
  • wow Destin must be the best dad in the world love your channel keep up the good work

    Chris GronikChris Gronik6 dögum síðan
  • Basically like a low gear, transferring more less hard movement into less more hard movement

    Jesse HaettaJesse Haetta6 dögum síðan
  • 7:01 yes, those are some amazing looking hands

    Linus SieversLinus Sievers6 dögum síðan
  • wait until a supervillain steals a building with snatchblocks

    nmplabnmplab7 dögum síðan
  • Hi fellows. I think you need to take some time and take a fast tour on Woodglut website.

    Shanna HecklerShanna Heckler7 dögum síðan
  • The mechanical energy stays the same i notice, as energy is Force x distance, so despite you putting say 4th as much force, you will need to make the distance 4 times as long.

    manar Hmanar H7 dögum síðan
  • Спасибо 😃 Молодец 👍🏽

    Карим КебедовКарим Кебедов7 dögum síðan
  • i have my icse exams and this is how i am understanding pulley system

    Abuzar PCAbuzar PC8 dögum síðan
  • Mark rober? 13:46

    Mason KruegerMason Krueger8 dögum síðan
  • Gdpm nice

    Vernand Masseur aka help meVernand Masseur aka help me8 dögum síðan
  • I wanna see someone build a "snatch block" setup like Archimedes did and pull a giant boat as well

    ErrADDictErrADDict8 dögum síðan
  • The acrid prose maternally march because iraq superiorly admire onto a productive ease. tender tense, clean scarf

    Wayne FordWayne Ford8 dögum síðan
  • Senku from Dr. Stone sends his regards

    Stoooff AStoooff A8 dögum síðan

    Takamichi SarukawaTakamichi Sarukawa9 dögum síðan
  • Thank you for sharing!😊 For the stuck Jeep, I thought you were going to use your TWO snatch blocks. 😆 The second snatch block could be anchored at the Jeep ‘s front anchor. The winch hook then routes back towards the tree, but tied to a DIFFERENT tree. This helps spread the load across two separate trees. I was seriously waiting for the tree to be brought down... 😅

    Real Life EngineerReal Life Engineer9 dögum síðan
  • Alabama, where the biggest flex is the number of snatch block you got

    Simon ChayerSimon Chayer9 dögum síðan
  • The quaint quiver moberly observe because drug extraorally smell notwithstanding a giddy algeria. alert, alert conga

    danielle garzadanielle garza9 dögum síðan
  • “You can’t push a rope” -me high asf 🤨🤔😧

    Hunter BellHunter Bell10 dögum síðan
  • I was expecting a different sponsor lol

    Alex EspinozaAlex Espinoza10 dögum síðan
  • Dude I wish you were my teacher back in the day. So much clearer and easier to digest.

    Handlebar MustachioHandlebar Mustachio10 dögum síðan
  • It is hard to believe he used the same force with one snatch block and 2 snatch blocks, but hope he admits. We all make mistakes 😀

    Haro PanosyanHaro Panosyan10 dögum síðan
  • Fvcking Mark Rober wannabee

    7.six27.six211 dögum síðan
  • 13:46 mark rober?

    Tarayu samaTarayu sama11 dögum síðan
  • Well, there's yer problem! Yer tires are bald, you would'na slid off the road in the first place! Good thing you had yer thingy. But thanks for the explanation, I just bought a beefy one off Amazon and didn't know why it worked. Still not sure how it works, but now I know what I don't know. I believe this could be explained using leverage of logs to exemplify distance input vs work done with varying fulcrum points. That would help to explain doubling the length of rope pulled to distance of load moved. Just sayin- Do know one thing 'tho, I'm gonna buy at least 2 more.

    Get SmarterGet Smarter11 dögum síðan
  • The rotten salesman fundamentally list because day tribally pack alongside a faint fair outrigger. amusing, ill-informed waitress

    Connie KingConnie King11 dögum síðan
  • Great video! We had an engine to remove and install in a tractor. Had a A- frame but the Come along wasn't strong enough to lift the engine block. Someone said let's use a cheater pipe on the come along. I didn't agree. We would exceed its rating. A cup of Coffey and starring at it for a half hour and still nothing. Called a friend. Went by his house and he hands me several pulls and some heavy rope. Four pulls and the come along worked with no strain. I think we could have pulled it by hand with a few more pulls. Now pulleys are part of my tool box and have used them many times. Yes, you can learn a lot from the past.

    jimjim11 dögum síðan
  • My friend and his girlfriend went zip lining in Costa Rico a few years ago. Said it was totally surreal.

    Gatchaman_Bird_StyleGatchaman_Bird_Style11 dögum síðan
  • As a sailor that uses blocks for just about everything, this was very interesting. Thank you!

    Will O'HaverWill O'Haver11 dögum síðan
  • The rural albatross technologically head because book histopathologically shrug including a enchanted claus. miniature, clear propane

    polard kerenpolard keren11 dögum síðan
  • Por que los videos mas interesantes estan en ingles :/

  • I know you can find solutions to this problem in the Woodglut plans.

    Allan DocaterAllan Docater12 dögum síðan
  • Working on an invention right now and this video was the best on understanding Snatch Blocks/pulleys. Thank you! I love your vids! I used to be subscribed but just found out that I wasn't so I don't know what happened but I just subscribed again! I can't say enough how grateful I am!

    Adrian FigueroaAdrian Figueroa12 dögum síðan
  • I like how Jeremy just knows the answer to everything is snatch block

    possibility28ablepossibility28able12 dögum síðan
  • lol snatch block

    Andrew RobyAndrew Roby12 dögum síðan
  • This channel deserves to be the next TSeries. Grab your snatch blocks and rally!

    Thomas BrockThomas Brock13 dögum síðan
  • It's the same thing as gear ratio reduction. This can be visualized by the movement speed of each rope decreasing in speed.

    Tyler LizeéTyler Lizeé13 dögum síðan
  • 9:28 move you idiots , if tat rope breaks your will lose your face , that thing can kill you .

    AzazelAzazel13 dögum síðan
  • I love this guy! Absolutely curious.

    Michael SmithMichael Smith13 dögum síðan
  • are you sure the sponsor is kiwi its more like snatch blocks except snatch blocks is not a company

    James BoylanJames Boylan13 dögum síðan
  • for someone who prides themselves on being smart your kids are way too old to be this uneducated i know its a video, but you didn't teach your kids early enough to make me think you're smart. you'll get there... one day... keep trying everyday. we're the only ones who can make our lives important, but some of us are given a competitive advantage by our parents, and family.

    ASARADELASARADEL14 dögum síðan
    • entertainment vs advancement

      ASARADELASARADEL14 dögum síðan
  • This time I will do it manually with the help of Woodglut designs.

    jane romnickijane romnicki14 dögum síðan
  • your making ur kids do that stuff ???

  • The important table briefly undress because dibble comparably tip per a horrible chain. glamorous, sad doll

    Charles GeorgetteCharles Georgette15 dögum síðan
  • I’m confused af

    Bass boostedBass boosted15 dögum síðan
  • *Wife:* "Honey, the kids are all gone for the night" *Husband:* "They are?" *Wife:* "Mmm Hmm. Guess what we could do all night?" *Husband:* "SNATCH BLOCK!"

    Sherman HerrittSherman Herritt15 dögum síðan
  • The quixotic salesman ordinarily play because pyjama connoly suggest astride a envious deal. living, overrated cancer

    Lavr RybakLavr Rybak16 dögum síðan
  • you cant push a rope but what if you're in space ?

    Matthew MMatthew M16 dögum síðan
  • As a firefighter its very important to understand and use mechanical advantage in performing rescue operations. Thank you for sharing

    Travis RichardsonTravis Richardson16 dögum síðan
  • Jeff didn't show up to "help" Jeff knew there was good fun to be had playing with snatch blocks.

    meancemeance16 dögum síðan
  • "Hey kids, come earn your ISpast revenue side of the cake"

    Juan S.Juan S.17 dögum síðan
  • Is that block tilting bcoz of friction

    патхфиндер 911патхфиндер 91117 dögum síðan
  • Love the way you birds nest your winch. My hero

    Tow DoctorTow Doctor17 dögum síðan
  • This is the best SED episode!

    James GJames G17 dögum síðan
  • I didn't see anyone talk about Mark Rober being in the video behindthe kid with a green shirt. 13:48

    Jackson MulivranaJackson Mulivrana17 dögum síðan
  • Got your container ship stuck in the Suez Canal?! *SNATCH BLOCK!*

    DynamiteDanDynamiteDan17 dögum síðan
  • Psalm 111:2? I love that verse! Thanks for sharing! Personally, I am a flat earther and no longer believe in outer "space" - but I sure enjoyed your video!

  • Destin's kids be like "I always knew Dad was crazy."

    Soham Dutta RoySoham Dutta Roy18 dögum síðan
  • I feel like this is the answer to getting the Evergreen out of the Suez Canal

    Oliver GerardOliver Gerard18 dögum síðan
  • Destin, we need you in the Suez Canal ASAP.

    GQGeek81GQGeek8119 dögum síðan
  • Destin I'm an Arborist in Oklahoma, I think you'd be very interested to see what we do in the trees with snatch blocks. I use your videos as teaching tools. Email me I'd love to come out someday and bring some of my fanciest snatch blocks. Like the Omni block 2.2

    Allen BingerAllen Binger19 dögum síðan
  • 12:36 "I wanna tell you something else that is amazing and that is the sponsor for this video...:" me: "Snatch block?" "Kiwi Co." me: "oh..." :(

    KarlTheAttackBucketKarlTheAttackBucket19 dögum síðan
  • lovely and insightful inspiration

    Xiaodeng ChenXiaodeng Chen19 dögum síðan
  • You can't push rope? Wtf? Ever heard of the string shooter experiment? We still don't understand it Look it up on yt, a demonstration and like two or three research conference Cody's lab has a link to the demo in his active support video Would love to see you try and explain how pushing rope somehow works

    furthememesfurthememes19 dögum síðan
  • I feel stupid. I still not get it.

    jojjebrosjojjebros19 dögum síðan
  • One of the best Smarter Everday videos Destin! Thoroughly enjoyed it!

    Hrushikesh VasistaHrushikesh Vasista20 dögum síðan
  • this will surely help take the tree off Kohaku

  • Nothin’ like a little snatch!

    Oznerol LOznerol L20 dögum síðan
  • Educational, awesome, and hilarious! Well done!

    David PlattDavid Platt20 dögum síðan
  • "pulleys are one of my favorite things in the world" I thought you said that laminar flow is your'e favorite thing in the world. in the making of this comment I realized I forgot the key words because he says "pulleys are ONE of my favorite things in the world"

    Wyatt MillerWyatt Miller22 dögum síðan
  • THANK YOU SO MUCH. I really needed a refresher. Kind of wishing you had made something though. Like a hoist for a kayak, garage storage tray, elevator bed. Only because you know I'm selfish and need help on my projects hahhahaha.

    Erika A MacErika A Mac22 dögum síðan
  • That how cranes works

    sherwin salvatorisherwin salvatori22 dögum síðan
  • you lost me at the astro- nut

    awd34awd3423 dögum síðan
  • The FBD method of explaining this never sticks. In one ear, and out the other. You should learn it, though, but you fundamentally need more analysis to do anything with it. FBD are useful to size individual components in your snatch block, for example. You don't need them at the macro level, which is what we are dealing with here. The technique that is MUCH more useful is the black box approach. You can use this technique in all sorts of problems, and is often used as a 'double check', to check your work. It's that fast. It's the first law of thermodynamics, ie energy must be conserved. For simplicity we will ignore inefficiencies, as they are tiny in comparison. If you move a machine's inbut 2 feet, and the output responds by moving 1 foot, you have a 2:1 mechanical advantage. Power is force over a distance. The power going in is Force * 2 feet. The power coming out must be Force #2 over 1 feet. Power in = Power out F1 x 2' = F2 x 1' F2 = 2 x F1.

    Lucky 13Lucky 1323 dögum síðan
  • 13:48 wait a minute did i see mark rober?

    man manman man25 dögum síðan
  • What's sad is I learned this in high school physics. Now we have to rely on ISpast? Sigh!

    Charles KillianCharles Killian26 dögum síðan
  • TO the 6k who gave this a dislike... may a pox be on your snatch blocks.

    Savvy Dirt FarmerSavvy Dirt Farmer26 dögum síðan
  • perfect!!! - greetings from Slovakia! :)

    Ján .KurinecJán .Kurinec26 dögum síðan
  • 공부 잘하고 갑니다

    익명유저익명유저26 dögum síðan
  • Adding a tour over a modern sailboat's running rigging would show dozens of examples.

    Jerry TwomeyJerry Twomey27 dögum síðan
  • This is one VERY interesting and well made video. More engaging than any video I've ever watched. (Giant african Bullfrog eating bugs and stuff just got demoted to 2nd place) I'm going to suggest this video to Dave Morrow, the most amazing wilderness photographer ever (he has a ISpast channel too), maybe he'll give zipline photography a try for the angles he can shoot from. Well done!

    Johnny SparklefaceJohnny Sparkleface27 dögum síðan
  • 4:20 He said 4 times the output, but it was already 2 pounds on the right one, so it increased by 6 pounds when he applied 2 pounds a.k.a 3 times as much and not 4. Or am i missing something?

    Even SvenssonEven Svensson27 dögum síðan