ROTATING SPRINKLER FUN

myminifactory

This sprinkler automatically rotates with the force of the water. The design utilizes two 608 skateboard bearings to enable rotation. Water passes through the inside hole of one bearing. This design works with standard steel bearings but will eventually rust, making ceramic bearings a recommended choice. Two axles that go through the bearings are made from 8mm diameter ballpoint pen bodies. Printing these axles proved too weak, but the pen bodies work great. Materials: 4 #8 bolts 1" long 4 #8 nuts 4 #8 wood screws 1" long 12 #8 washers 2 608 skate bearings (ceramic preferred) 2 pieces of ballpoint pen bodies @ 8mm diameter x 25mm long Printed parts: 19 total (11 printed nozzles, slotted or with hole) Use superglue to bond the 11 nozzles into the main roller, ensuring the flat edge on the nozzle is aligned with the flat inside the roller holes. Glue both 25mm long pen body axles 10mm into the end holes of the roller. Insert a hose collar through the hose attachment and then glue the collar tube into the smaller end of the flange. Insert a 608 bearing into the left side part and cover it with the flange assembly, securing with 4 bolts. Slip the pen body axle on the wider end of the roller assembly into the left part assembly. Insert the second bearing into the right part and slip over the pen body axle on the other end of the roller assembly, ensuring the bearing is facing the roller. The end spinner slips onto the outside of the pen body axle on the right side. Now, insert the left and right sides into the ends of the base and secure with wood screws. Make sure glue is dry before applying water pressure. You may need to give it a push to start the spinning depending on water pressure and quality of bearings. This object was created in Tinkercad. https://www.tinkercad.com/things/3OFSVI2e444