Yesterday we finished off our cardboard trebuchet. We were not able to achieve great distance. I think this was due partially to the weight of the projectile and difficulty in setting a correct angle of release. The precision was really good. A steady angle of release and counterweight mass was to thank for this. As we construct our full-size trebuchet, we will need to carefully calibrate our angle of release to achieve maximum distance and accuracy. We will also need to make sure we have appropriate counterweight masses. In regards to environmental factors, only gravity played a part with the cardboard trebuchet, as we tested it indoors. We hope that wind and weather are in our favour when we test the full-size model next week!