It is a class assignment. Compressed gas, slingshots and electrical components can't be used. The projectile launcher has to be mechanical. Other than that there are no restrictions.
I need some help on building a simple ballista that could launch a golf ball 25 meters away. If you have any ideas of designs please post them. Thanks.
Hey, I know there are already many of this threads, but I checked them all out and none can help me in my project. Well, in my project I have limited amount of materials, and I have already tried out various designs with no success, so any help would be great. Here are the details:
Drop...