Today ruby and I got our catapult finished. It was really good. We started off by adjusting the axel at the top so that the dimensions fitted the trebuchet. We then worked on attaching the cup to the end of the propellor. We first tried making a stand for it but then Mr ward said it should be fine how it is. With the help of Mr Ward we then screwed holes in the bottom and this took a bit of adjusting so that the Asclepius in which the wheels are to rotate off can rotate. But after that, it was just a press fit of the wheels and then the catapult was ready.
First using a 1kg weight that was hooked to our swing, we propelled the ball from outside the classroom and it reached about the drains. We then advanced and added a 2kg weight and the ball went further. I think next lesson we will just reinforce the pole at the end closest to the axel because the wood is beginning to split. But after that then we will do our recordings and I will video it so I can not step by step, the process in which the catapult takes.
No comments:
Post a Comment