Today we met after school to work on our drag tunnel, We designed it using solidworks and we made it in the metalwork room. It is going to work using a vacum cleaner to suck the air out of the tunnel to simulate the air going over the car as it moves forward. There will be a platform where the car will sit and the car will be held with fishing line. On the other end of the fishing line will be a weight, the same weight as the car. This weight will sit on a digital scales, as the car is sucked back the weight will lift and the give a figure for the drag of the car. Here are some pictures of the half finished tunnel.
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