1 / 10

TOM, LACHIE, LUKE, JJ, ADI, FLOSSIE, OLIVIA, ELEANOR

TOM, LACHIE, LUKE, JJ, ADI, FLOSSIE, OLIVIA, ELEANOR. The Cart. 3. 2. 1. 4.

abdul-cline
Download Presentation

TOM, LACHIE, LUKE, JJ, ADI, FLOSSIE, OLIVIA, ELEANOR

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. TOM, LACHIE, LUKE, JJ, ADI, FLOSSIE, OLIVIA, ELEANOR

  2. The Cart 3 2 1 4 The cart was constructed from two metal trolleys purchased from Bunnings Hardware for $23.37 each, along with multiple second-hand materials including; an old plastic chair, aluminum tube, an off-cut of plywood, rubber hose, a variety of plastic materials, a seat belt, and a pool noodle. These materials were fitted together with a variety of bolts, nuts, washers and screws. A small amount of welding was performed by one of the fathers to adjust the height of the rear axel. All wooden items were painted by hand, and all metal items were spray-painted. The design was tested in various stages and the group through problem solving was able to come up with the final design. The cart is simple, and should be able to be assembled with a number of ring spanners. The group of eight children and three fathers, were involved in varying degrees in all aspects of design and construction. A variety of hand and power tools, supplied by the fathers, were used in construction; child involvement was encouraged, but heavily supervised. 6 • Pictures • Safety Belt. • Safety Belt. • Break and Rear Wheel. • Bumper Bar and Steering • Brake Pad • Rear End • Anti-Slip Seat Pad 7 5

  3. In the end we did not follow the design of our cardboard because we decided to use a straight piece of wood. The Shape We Started With The Shape We Finished With

  4. At the bottom of our base board we attached a metal frame from a trolley to make the cart stronger but we cut out the metal bars in the middle so it didn’t get to heavy. At the front of the cart we drilled down an old chopping board which we cut up so the bolt could turn the axel properly.

  5. We used a trolley for our push bar but we cut out the metal poles in the middle and we put some foam over the top of the bar and the middle of the pushing pole. We also sanded down all the sharp edges and connected 4 aluminium rods to it. We drilled 4 holes through the seat and the base of the cart then fixed 4 bolts through, so the seat didn’t move. We also painted the seat blue for contrast.

  6. We bought our tyres with air valves from the shop and attached them to the axels. We used a washer and a r-clamp to stop the wheel from falling off. The rear axle wasn’t strong enough so we put carbon fibre (a strong light weight material) and Kevlar tube. around the original aluminium tube. We had a problem with the axle because the depth of the axle was too deep so we cut off a bit of metal and welded it back on. We used a wide axle at the front made of fibre glass and a small axle at the back. We attached a nylon hose to the axle and the aluminum tube. On one of our test drives, we found out that our back axle was not strong enough as it kept on bending.

  7. We put a piece of aluminium tube inside two pieces of steel pipe to make our brake. We used rivets to join the pipe together and drilled holes and put screws in the pipe so it would be secure. We put 1 thick piece of wood just above the wheel so when we pull the brake handle back the wheel will stop. We used part of a aluminium beach chair for our steering and connected it to a nylon hose to extend the length. We created a hole in the bottom of the nylon hose so we could connect it to the axle.

  8. We drilled 4 holes in the push bar, 2 on both sides, so we could attach the aluminium rods to the push bar by screwing them in. We firstly used aluminium strips to support the push bar. After our first test drive we found that they weren't strong enough so we tried aluminium rods. We put in safety poles made of aluminium to make sure we wouldn’t fall out.

  9. We cut up a old piece of plastic into the shape of our foot rest. We drilled 3 bolts through the foot rest and the board to hold it in place. We used a noodle for our bumper bar but we cut it in half so that it would fit on the cart. We used a glue gun to glue the noodle to the board and held it there for a minute or so. 1. Our back axle was not strong enough so we replaced it with a stronger axle on 2 occasions. 2. The safety belt was difficult to mount as it didn’t work freely and safely. We solved it by using longer bolts and plastic spaces. 3. The steering was a problem because we had a poor turning circle so we solved it by putting carbon fibre sleeves around a wider axle. 4. We had problems with the wheels because the air valves contacted the R-pins when rolling, so we turned the wheels around facing the valves inside.. 5. We used a screw to hold up the pushing bar but we found out that it wasn’t strong enough so we used a bolt instead. 6. We had to reduce the height of the rear axle mounts by 5cm so that it passed requirements. One of our dads had to cut, weld and screw the axel into its new position.

  10. We used white tea shirts and ironed our logo onto them. We made our logo on the computer but hand coloured it in, then scanned it. Luke’s Dad Jeremy’s Dad Tom’s Dad Lachlan And JJs Mum

More Related