The book includes 25 fairly simple, accessible projects for children (and adults) to build in order to better understand the science behind the machinery behind the building and construction of structures and vehicles. Pulleys & Gears : Links. Simple machine projects for the fourth grade focus on machines that have little or no movable parts and use energy to complete a task. These simple machines give the user a mechanical. Online shopping for Business, Industry & Science from a great selection of Snatch Blocks, Shell Blocks, Mounted Blocks & more at everyday low prices. This is where technology and science play a vital role in the STEM process. A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt. This one is all about the pulley. Pulley Experiment where you will make your very own pulley system. See more of Montessori Bloggers Network on Facebook. Science Max: Experiments at Large | TVOKids. Try The Magic School Bus's fun science experiments for kids! This science experiment teaches kids about pulleys. Designed entirely within Photoshop and Sketch-Up to accommodate typical tri-fold tabletop display dimensions! Completely interactive exhibit--this thing actually works! Built using cardboard, construction paper, foam core, k'nex wheels, 2x4's, hardware, rope, kettle-weights, and other obvious stuff. You can build pulley systems up to a mechanical advantage of 6, but you can also do experiments to study angular velocity and acceleration, moment of inertia, and torque. Now in this paragraph you will learn about an inclined plane. Do not put binders of any kind on your report. The key point of pulleys is that they redirect force. Choose from single, double, triple, quadruple and tandem varieties as well as aluminum or plastic construction. Types of pulleys: Fixed A fixed or class 1 pulley has an axle that is "fixed" or anchored in place. Put simply, a simple machine is a device that only requires a single force to do work. There is no consensus on which machines qualify as robots but there is general agreement among experts, and the public, that robots tend to possess some or all of the following abilities and functions: accept electronic programming, process data or physical perceptions. We rigged pulleys to the ceiling of our classroom. What You Need:. The Atwood Machine is a device that demonstrates the basic principles of acceleration and dynamics. The National Girls Collaborative Project brings together organizations throughout the United States and Puerto Rico that are committed to informing and encouraging girls to pursue careers in science, technology, engineering, and mathematics (STEM). This versatile and tough steel inclined plane includes a graduated protractor and an adjustable pulley. This simulation allows students to visualize some characteristics of a working pulley such as applied force, work, pulled distance. Step-by-step projects range from the simple to the more challenging. In this Pulley Experiment you will get a chance to make your very own pulley system. The friction between the mass and the incline is represented by a friction coefficient mu=. In this post, we've assembled 19 great science fair project ideas for 6th grade. When on object with mass M is placed on a smooth horizontal surface, and a string tied to it runs over a pulley and connects to a dangling mass m, a tension is created in the string. We use the information to track views of the site, where you go and to know if you are a regular visitor or brand new as well as provide a personalised experience where possible. I never loved my pulley lab. Find out how much effort is required to lift the load as it moves from the fulcrum to the effort in 5-cm intervals. While some of these aren't exactly true pulleys, I'd say they did a pretty good job!. Designed for clamping to table edges up to 45mm thick with a thumbscrew and for supporting a 50mm diameter pulley and rod. Explain the scientific method to your adult partner. The size of the pulleys aren’t extremely important. Improve your knowledge on what a pulley is and find out more about forces and motion with DK Find Out for kids. These devices help us to lift heavy loads in an effective manner, as well suspend various objects in the air (for example: a flag). Students will learn about levers, wheel-and-axles, inclined planes, wedges, screws, pulleys, and gears, and then implement these with some creative LEGO Engineering. For over 30 years, Mad Science has focused on designing and testing experiments and activities that resonate with kids, allowing us to provide innovative, hands-on children's science programs to our communities. Demonstrate an awareness of the types of simple machines and be able to classify common objects in relation to the simple machines involved. This physical science study guide covers how a pulley works. Eligible for Free Shipping. Example: A student weighs 65 lbs and they find that it only takes 5 N of force to lift a 10 N object using their two-pulley system. Get this from a library! Making machines with pulleys. Create your own mini-rope way at home. Safety rules: Parent supervision Take care with scissors Materials you need are: 2 empty sewing thread reels 2 dowel rods string scissors weights. Lever - Enchanted Learning animations. They are typically used for hauling and lifting loads but can also be used to apply tension within a system such as in a Tensioned Line or Tyrolean. The principles behind pulleys, levers, and simple machines are the focus of a science lesson. A fixed pulley like this one doesn't win you any mechanical advantage, but it can still make things easier to lift since it lets you pull down instead of lift up. We link each project description to its original source, where you can get more information and step-by-step instructions. During the summer of 2015, EEL students Lauren Boye and Samantha Whitney joined Professor Moore and other scientists on an 11-day oceanographic cruise to characterize the biodiversity of Pulley Ridge, which is believed to be the deepest coral reef in U. A block and tackle is an arrangement of rope and pulleys that allows you to trade force for distance. Playground Pulley Physics Projects , Model Experiments for CBSE, ICSE, ISC Stream Students and for Kids in Middle school, Elementary School for class 5th Grade, 6th, 7th, 8th ,9th 10th, 11th, 12th Grade and High School, MSC and College Students. A pulley has a mechanical advantage of two, meaning that lifting an object requires half the effort it would take to lift it without a pulley. Now, attach a hook to the cord, and you can use the wheel's rotation to raise and lower objects. How to make a science project with pulleys levers and wedges? Answer #1 Well your base of the project should be the pulley and then maybe you need to create a lever like a tetertoter and bonce a rock into the bucket on the pulley and add the wedge in there somehow. The use of multiple pulley wheels on one axle, in a lifting or dragging system, is called a Block and Tackle. In belt drive, pulleys are affixed to shafts at their axes, and power is. A short discussion of how this project might be useful in the classroom would be appropriate. **** I’m linking appreciatively here: Science Sunday. This will explain if my hypothesis is true or not with experiment proof we call this the scientific method. A simple machine consisting essentially of a wheel with a grooved rim in which a pulled rope or chain can run to change the direction of. The Project Guide brings teachers up to speed for the science content with the design project through "Teacher Background Information" and in-context session notes. Research > Technology Reviews > Using a “pulley splint” to support your finger. Use your mechanisms kit to build the above examples. Kidder is a crucial member of my Science & Tech professional learning network, always meeting the demands of student engagement with its exciting and current inventory. In this science project you will build a tabletop lever and investigate how changing the length of the effort arm affects the amount of effort it takes to lift an object. In this post, we’ve assembled 25 easy science fair project ideas for 4th grade. The pulleys are there to reduce friction while changing the direction. pulleys pulley levers and pulleys simple machines levers gears forces How does this resource excite and engage children's learning? This lovely resource includes instructions to make a simple pulley. The new ones have better grip and thus less loss. Study Flashcards On 6th Grade Science-Levers and Pulleys at Cram. Best Science Project ideas recommended for 2008-2009 school year. science and health movie topics so that you are familiar with them. Cookies are used on Science Sparks so that we may improve our site. STEM Cases, Handbooks and the associated Realtime Reporting System are protected by US Patent No. Com Home English Science Videos. 2, the efficiency of the pulley is 75%. In some instances we used a pulley and weights to find the static and kinetic coefficient of friction and in the last part we inclined the board. Tagged: HS-PS2-1. A fixed pulley is often fixed to an overhead beam or rafter and will only be able to rotate around its own axle. Projects can be designed for kids to help them understand the basic concepts of simple machine and mechanics. In other words you can get more done with little force. 2, the efficiency of the pulley is 60%. A simple machine consisting essentially of a wheel with a grooved rim in which a pulled rope or chain can run to change the direction of. Each entry has a brief description and guidelines for further investigation. The string is specially designed for use with any of our pulleys, allowing you to perform experiments demonstrating basic laws of motion and simple machines. How to make a science project with pulleys levers and wedges? Answer #1 Well your base of the project should be the pulley and then maybe you need to create a lever like a tetertoter and bonce a rock into the bucket on the pulley and add the wedge in there somehow. The Ultimate Pulleys kit is called "ultimate" because you can do so many different experiments with the kit parts. We rigged pulleys to the ceiling of our classroom. 5 for 3 [/featured_box] We also have camps for Primary School …. Pulleys function as helper machines, easing lifting power. This is a selection of middle school science projects. Define pulley. Use your mechanisms kit to build the above examples. "Easy Science for Kids, Mar 2020. Pulleys can be used to lift heavy objects by changing the direction or amount of the force. The ridge has been mapped using multibeam bathymetry, submarines and remotely operated vehicles, and a variety of geophysical tools. I did not demonstrate how to make these work to students. It also consists of an electrical D. Science Fair Projects on Levers, Wedges & Pulleys Although the teeter totter and door are on the larger side, scaled-down examples can be made for science fair projects. Science Max: Experiments at Large | TVOKids. I Spy Simple Machines from 123 Homeschool 4 Me is a free printable that not only teaches about simple machines, but gives instructions for a fun simple machines scavenger hunt too! More EPIC Science Experiments for Kids. A pulley or pulley system will only lift a load if the input force is large enough to move the weight of each load. **** I’m linking appreciatively here: Science Sunday. What You Need:. Try this fun pulley physics activity and let your kids make their very own DIY pulley system. How strong is a gingerbread man. Do not put binders of any kind on your report. Pulleys can be used to lift heavy objects by changing the direction or amount of the force. Children who love to Tinker with science & electronics would find this super fun & engaging. Pulley System Movement. In this project there are suggested 2 and 4 pulley configurations but it's also possible to try other configurations as well. With LEGO kits and Pulley experiments for kids your child will develop its skills. Includes activity guide. Instructions for the Project: Put the stones in the plastic bag and lift them. A cassette that contains an 80 mm and a 40 mm pulley has a size ratio of 2:1. Science Physics Discoveries and projects Simple machines explorations. With a coefficient of friction of 0. Easier - A simple machine is a device that helps make work easier; a device that makes it easier to move something. Key concept (Science of Simple Machines) A pulley is a wheel that you loop a rope over. The Pulley The pulley is really a wheel and axle with a rope or chain attached. a ceiling or wall, acts as a first class lever with the fulcrum being located at the axis but with a minor change, the bar becomes a rope. This physical science study guide covers how a pulley works. The element used to drive a pulley system can be a rope, cable, belt or chain that runs over the pulley inside the groove or grooves. Available Pulley sets for science fair projects: Two, single plastic pulleys can be combined to form a fixed/moveable block and tackle pulley system. She has determined that as the coefficient of friction increases, the efficiency of the pulley decreases. The more loops mean more pulleys. Online Engine Kiddle. Instructions for the Project: Put the stones in the plastic bag and lift them. The Project Guide brings teachers up to speed for the science content with the design project through “Teacher Background Information” and in-context session notes. This allows students better visualize. Simple Machines Project For this project students will think about what they have learned about the types of simple machines: wedge, pulley, screw, inclined plane (ramp), lever, and wheel and axle. This is a realistic model of the Pulley pump. First, connect motion to what the children already know. Which one is easier? Sometimes, it's not easy to lift heavy objects with only human force. pdf Grade 3 - Soils in the Environment. Pulley, in mechanics, a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim. A pulley contains a string or wire and a wheel and axle. Elevators operate using motors and pulleys and are designed to move people up and down inside buildings. com identified the 10 best science projects for the school year 2005-2006. And it was simple. Kids build motor skills and derive both satisfaction and self reliance when doing heavy work. Pulley Experiment where you will make your very own pulley system. Pulleys consist of a wheel that rotates on an axle—which is a rod through the center of the wheel—and a rope, cable, or chain. Then create a simple machine to make work easier. In this Pulley Experiment you will get a chance to make your very own pulley system. These easy, practical ideas make a tough subject like science extremely simple. There is no consensus on which machines qualify as robots but there is general agreement among experts, and the public, that robots tend to possess some or all of the following abilities and functions: accept electronic programming, process data or physical perceptions. Harder - Most machines consist of a number of elements, such as gears and ball bearings, that work together in a complex way. Home > All Staff Directory > Teachers & Specialists > Fifth Grade > Jason Benjamin > Science. By making the mass of the ETV small, an asymptotic acceleration of g is possible. Can't find your project? If you have a new science project idea that is not listed here, we can assign you a dedicated project advisor to help you on gathering information and designing experiments. In 2014, the team discovered a new coral area near Pulley Ridge that has the densest cover of plate corals known in the Gulf of Mexico. A generator is a device that converts mechanical energy into electrical energy. A movable pulley is used to transform forces. The science of machines never fails to fascinate kids. Primary Resources - free worksheets, lesson plans and teaching ideas for primary and elementary teachers. in: Buy vyga DC Motor Pulley School Science Project Working Model DIY Kit -10 Pieces online at low price in India on Amazon. Specs:Total Height = 52mmSheave diameter = 25mmDistance from eye hook to pulley axis = 30mmDiameter of. Instead, I told them they had to use their problem solving skills and what they learned in science class to make a pulley system for their drawbridge. one pulley attached to structure, one pulley. Physics includes the study of material and energy as related to motions, heat, light, and force. In the case of a pulley supported by a frame or shell that does not transfer power to a shaft, but is used to guide the cable or exert a force, the supporting. Build a variation of a teeter-totter for one person - Engineering Science Fair Project. Rear pulley off 2004 harley sportster. Great for the 4th grade students. 2, the efficiency of the pulley is 75%. 2-3 class periods; Outcomes. The pulley and D. This project outline includes:-Learning Goal and Success Criteria-A Design Your Pulley page where students will plan and sketch the pulley they want to. The experiment using the NXT arm to pull the mass was a pretty neat demonstration on the basics of power consumption, speed, mass and time. Physical Science Chapter 5 Review. Used for science experiments in physics and mechanics. A generator is a device that converts mechanical energy into electrical energy. Simple Machines Science Projects Make a Lever. This is the currently selected item. Product Details These pulleys are high-quality and smooth-running. In this project there are suggested 2 and 4 pulley configurations but it's also possible to try other configurations as well. To view a project's subtitle, tap or hover on the project. There is no consensus on which machines qualify as robots but there is general agreement among experts, and the public, that robots tend to possess some or all of the following abilities and functions: accept electronic programming, process data or physical perceptions. Science Fair Projects on Levers, Wedges & Pulleys Although the teeter totter and door are on the larger side, scaled-down examples can be made for science fair projects. one pulley attached to load; force direction does not change; mechanical advantage of 2; Combined Pulley. This award winning story that is the predecessor to the Junior Geography Detective Squad (JGDs), 50-state, mystery, trivia series. The difference between the two pulleys should be dramatic and the string will be about twice as long in the second pulley! Writing in Science. Cookies are used on Science Sparks so that we may improve our site. In this Pulley Experiment you will get a chance to make your very own pulley system. Eligible for Free Shipping. If you enjoyed this experiment, there are many more that you could ask your teacher to add to your home school curriculum. The goal of this project is to measure the force and the work required to lift the same load with different arrangements of pulleys. Scientific Method models are due October 9th. Skip to content. In fact, a pulley system can cut the force necessary to lift a very heavy object in two, four, etc. Step-by-step projects range from the simple to the more challenging. It consists of a mass pulling a string that is redirected through a system of pulleys to pull the ETV. Increases speed but requires more force. If your child is taking part in a complicated long-term group project, you may need an equipment lease to help complete the project. Pulleys function as helper machines, easing lifting power. 1 Comment to A-Z STEM Saturday, P is for Pulleys. 5 out of 5 stars 3. A pulley also helps an object go to one place to another. Science Physics Discoveries and projects Simple machines explorations. Great for the 4th grade students. Simple machines are tools like an inclined plane, a pulley, a wheel and axle, or a lever, that make it easier to do work. ; 9th Grade Science Projects 9th Grade Science Projects are the collection of science project ideas specially dedicated for grade 9 students. Home / Physics / Weight machines - Pulley project - Physics. Best Science Project ideas recommended for 2008-2009 school year. An example of this is a simple axe. Top 10 Experiments With Liquids. The project will demonstrate that the closer the fulcrum is placed to the object that is being moved, the easier it will be to move the object because it will take less force. In this post, we've assembled 19 great science fair project ideas for 6th grade. Used for science experiments in physics and mechanics. Pulleys consist of a wheel that rotates on an axle —which is a rod through the center of the wheel—and a rope, cable, or chain. At any given time on board the space station, a large array of different experiments are underway within a wide range of disciplines. The pulleys are assembled together to form blocks and then blocks are paired so that one is fixed and one moves with the load. Entries (RSS) enter your email address so I can bother you with my newest rant on. The Science of Imagineering LEVERS & PULLEYS. After assembling the pulley, first try and lift the bucket with your hands, and then again try lifting it with the pulley. Try doing experiments and see what happens when you use different size pulleys. Simple Machine Projects for Kids Related Study Materials. An I think the compound pulley is the coolest simple machine. And it was simple. Pulleys - Bill Nye How a Pulley Works How Gears Work : Fixed Pulley. Create a load. Research > Technology Reviews > Using a “pulley splint” to support your finger. How to Make a Simple Pulley System for Kids: This is a super simple pulley system for kids. On this page I put together a collection of pulley problems to help you understand pulley systems better. Now, attach a hook to the cord, and you can use the wheel's rotation to raise and lower objects. A pulley is a mechanical device that can be used to lift heavily objects more easily. how to make a double pulley simple machines science experiment for kids See more. Pulleys are usually used in sets designed to make the amount of force needed to lift something smaller. This rope hoist has drop-forged, zinc-plated eye-hooks and claims to be rated for a 2,000-lb working load, but we think that's a misprint. The more pulleys mean less effort you have to put in. The pulley wheel is supported over a rigid frame about its central axis. Incline is 4″ wide x 23″ long. Discover a density rainbow. They are typically used for hauling and lifting loads but can also be used to apply tension within a system such as in a Tensioned Line or Tyrolean. Block and Tackle refers to pulleys and rope (in that order). The mechanical advantage of this kind of pulley is two. Older Post Redox. Build a variation of a teeter-totter for one person - Engineering Science Fair Project. First, connect motion to what the children already know. Do you have a Science Fair Project of your own that you would like to see added to our listings? If so, please submit it! One of our staff members will review your project. Simple machines are tools like an inclined plane, a pulley, a wheel and axle, or a lever, that make it easier to do work. Levers can help lift a heavy weight with much less effort. What if you show the effects of pulleys first by using a spring gauge on a direct weight, a weight pulled up by one pulley, and the same weight with two pulleys? Then show a sailboat and how many p. What You Need:. are all combinations of these simple. Some examples of pulleys include cranes, flag poles, and window blinds. We created a pulley system with command hooks on a "wall. A project introduction and background, complete listing of required materials, step-by-step instructions on how to carry out the project, why it works, learn more section, as well as a science glossary with all the relevant terms make up each of the all-inclusive science. There are three main types of pulleys: fixed, movable, and compound. So stay back and enjoy your child's scientific curiosity and diligence. However, levers, pulleys and gears are now also in the primary science curriculum. Select a Life Science, Earth Science or Physical Science category below to be presented with starter investigations. Flexor Pulley System-Fingers: Annular ligaments A2 and A4 are critical to prevent bowstringing most biomechanically important. 11th graders can identify and conduct a project on their own. There are six types of simple machines: lever, pulley, inclined plane, wedge, screw, and wheel and axle. Colorful, simple, and impressive: it's the trifecta of 4th grade science experiments!. Science KS2 Year 5 •recognise that some mechanisms, including levers, pulleys and gears, allow a smaller force to have a greater effect. are all combinations of these simple. Step 4: Select the best possible. Popular Science may receive financial compensation for products purchased through this site. Two days ago I handed them this revised instruction sheet: Pulley Lab Rev D – Discovery Lab. Elevators operate using motors and pulleys and are designed to move people up and down inside buildings. We are taking science experiments to a whole new level! Watch learge-scale experiments that are fun and educational. All of these pulley systems can also be explored without a spring scale. Thus, Newton’s law of motion for the cart is. Ajax Scientific 5 Piece Plastic Parallel Pulley Set. A Simple Science Fair Project for Compound Machines. These experiments will also help your students to become familiar with the concepts of observation, hypothesis, experimentation and the scientific method. This model consists of correct geometry, fantastic detail, and the materials and textures are included. Simple machine projects for the fourth grade focus on machines that have little or no movable parts and use energy to complete a task. There are two groups of pupils who each must lift objects with fixed pulleys and multiple. LEVERS Students are introduced to levers as devices that help lift weight or overcome resistance. A spring scale will help determine if the pulley system reduces the amount of effort required to lift the load. Due to this, you can do editing parts of the model. Pulley Experiment where you will make your very own pulley system. Science Fair Projects on Levers, Wedges & Pulleys Although the teeter totter and door are on the larger side, scaled-down examples can be made for science fair projects. Build a variation of a teeter-totter for one person - Engineering Science Fair Project. Instead, I told them they had to use their problem solving skills and what they learned in science class to make a pulley system for their drawbridge. Science Fair Project in Bending Pencil. However, the same amount of work is necessary for the load to reach the same height as it would without the pulleys. Introduction to PULLEYS. A fixed pulley is used to redirect the force in a rope (called a belt when it goes in a full circle). A pulley contains a string or wire and a wheel and axle. This craft also becomes a science project as we are using a pulley and a pulley is a simple machine. Plus we’ve deliberately chosen easy projects that your fourth grader should be able to do with minimal supervision or help from an adult. The wedge shows how a simple machine can change the direction of force. Science project ideas and samples for science fair and class projects. 1 Comment to A-Z STEM Saturday, P is for Pulleys. Learn more about pulleys, simple machines, force & mechanical advantage by watching this excellent video. A quick quiz on pulleys. 5 out of 5 stars 3. super-science-fair-projects. We meet the needs of our clients by viewing each project as unique and customized to fulfill the specific requirements of its intended application. Great for the 4th grade students. Science Fair Project in Bending Pencil. Want to make something cool and crafty with your kids while also teaching them valuable STEM skills? DIY projects are the perfect way to share this learning experience with children, complete with hands on activities that promote learning basic electronics, math and science concepts. The required equations and background reading to solve these problems are given on the friction page, the equilibrium page, and Newton's second law page. Simple Machines. Here is an analysis of a system. There are six types of simple machines: lever, pulley, inclined plane, wedge, screw, and wheel and axle. These activities are designed to give grades 3 and 4 experiences in using simple machines. Science Videos, Preschoolers, Kindergarten, Primary Secondary school Kids, Teaching Resources, Lesson Plans, K12 Science, Science for every Grade Student, Activities for Kids | MakeMeGenius. Nice belts for science-project motors and even nicer for our slingshot needs. A fixed pulley's wheel and axle stay in one place. In other words you can get more done with little force. Try The Magic School Bus's fun science experiments for kids! This science experiment teaches kids about pulleys. A cassette that contains an 80 mm and a 40 mm pulley has a size ratio of 2:1. In some instances we used a pulley and weights to find the static and kinetic coefficient of friction and in the last part we inclined the board. This would be a project for older students to work together in groups to use their knowledge of a pulley system to create a simple machine. Measure the force required to lift the weight using up to three fixed and three movable pulleys. Pulley Experiment where you will make your very own pulley system. A pulley simple machine is the perfect first engineering science project for kids to do at home. Put simply, a simple machine is a device that only requires a single force to do work. Science project ideas in this page may be used for science fair competitions or for class projects. The applied effort through pulling of the string rotates the pulley and pulls the load upwards, helping the load to be lifted with ease. Includes a 14 oz. 06 feet Experimental Design Data Analysis Discarded the longest and shortest distances recorded for the launch. Students perform a simple demonstration to see the mechanical advantage of using a pulley, and they identify modern day engineering applications of pulleys. These pulleys and gears are to illustrate mechanical advantage. the books to the second floor using pulleys and inclined planes. There are two groups of pupils who each must lift objects with fixed pulleys and multiple. We shared some cool color science experiments for kids, today we share some more science experiments for kids to learn about one of the senses via eyes: science experiments about light. In a belt drive, the belt moves at a constant speed while the pulleys or rollers rotate at different speeds depending on their radii. The more pulleys mean less effort you have to put in. Here, you can search the database of experiments to learn more about each experiment’s objectives, descriptions, results, and imagery, as well as find links to additional information beyond this database. All parts are metal. 3? WHAT PERCENT?. A movable pulley has a mechanical advantage of 2. Which one is easier? Sometimes, it’s not easy to lift heavy objects with only human force. Fun science project to teach children about simple machines and engineering. Then create a simple machine to make work easier. Build Working Gears out of Popsicle Sticks. At the end of the day the pulley is a very useful simple machine. More Fairy Tale Science Experiment Ideas. Combine science and LEGO® building in this fun STEM engineering challenge for kids! Can you build a LEGO® pulley system that makes it easier (less work) to lift a load of pennies? This post contains Amazon affiliate links. In a pulley, a cord wraps around a wheel. A pulley makes work seem easier because it changes the direction of motion to work with gravity. 003 Bore: Up to 1 inch +0. Determine the diameter of your axle (wooden skewer) and drill a hole the same size into the middle of the large pulley. After assembling the pulley, first try and lift the bucket with your hands, and then again try lifting it with the pulley.