How to build a crane grade 7 step by steps – Design brief for a crane grade 7
How to Build a Crane for a School Project
How to build a crane grade 7 step by steps – Design brief for a crane grade 7; Cranes are traditionally used in the construction industry or where there is a need to move heavy items. Cranes use a pulley system to reduce the strain and increase the weight that can be moved. Some cranes have magnets rather than hooks to grab items and move them. A model crane can be built using simple craft items and supplies from around the home. This model can be built with either a magnet or hook.
1. Constructing the Arm
Lay two Popsicle sticks vertically on a flat surface. The sticks should be parallel and far enough apart to put a thread spool between them. Place one thread spool between the Popsicle sticks, so the ends of the Popsicle sticks are even with the outside of the spool of thread. Glue them in place. This will be the top of the arm of the crane.
2. Constructing the Crane Base
Cut the front off of the cereal box. Measure the Popsicle sticks from the previous step against the edge of the box, and cut two slits along the top, front edge. The crane will be inserted into these slits in a subsequent step.
3. Inserting the Spool
Insert a pencil into the center of the second thread spool. The pencil should fit snugly, so the spool turns when the pencil is turned. Add glue as necessary to firmly attach the pencil to the spool. Set the spool inside the box with the pencil ends extended over the sides of the box. The spool should turn freely when the pencil is turned.
4. Raising the Crane Structure
Glue toothpicks across both Popsicle sticks in a ladder pattern. Repeat pattern on the opposite side, and glue in place. Set aside to dry completely. Once dry, insert the bottom of the sticks into the previously cut slits on the cereal box. Place the sticks at a 45-degree angle to the bottom of the box, and glue in place. Set aside to dry.
5. Finishing Touches
Tie one end of the string to the thread spool attached to the pencil. Thread the string up through the arm of the crane and over the spool at the top. Tie the other end to a paper clip or button magnet to complete the crane. Turn the pencil to wind the “winch” of the crane and move the “load” at the other end.
Raw Materials. The most important substance used to manufacture cranes is steel. Steel is an alloy of iron and a small amount of carbon. For structures that do not require very high strength, a common form of steel known as carbon steel is used.
Make your very own flying origami cranes by following these simple steps.
Click here to print the instructions or view our video for step-by-step instructions explained by our staff.
1. Using a square piece of paper, fold the paper in half to form a triangle. If using a piece of paper colored on one side only, begin with the colored side facing up. Unfold the paper and repeat to make folds seen in the image above.
2. Flip the paper so the colored side is facing down and fold the paper in half forming a rectangle. Unfold the paper and repeat to make folds seen in the image above.
3. Now fold along all four creases at once to form a square with the open end facing you.
4. Fold two edges in, to form a kite-shape on top. Repeat on other side.
5. Fold the point down and crease above the other two folds. Flip the paper and repeat fold. Undo the folds you made in steps 4 and 5.
6. Pull the bottom corner (top layer only) up above the top corner. Fold along the creases you made in steps 4 and 5. Repeat on the other side.
7. Fold two edges in to form a kite-shape. Repeat on the other side.
8. Fold the top layer (right side) to lay on top of the left side like turning the page of a book. Flip over and repeat on the other side.
9. Fold up the top layer as far as you can on each side.
10. Fold the top layer (right side) to lay on top of the left side like turning the page of a book. Flip over and repeat on the other side.
11. Fold down wings.