I'm still unsure about this and it might seem like a stupid question.
Can we use metal for everything except for the launching force? Does launching force mean the WHOLE device?

Finding parts is ALWAYS a problem! Fitting parts together is part of what engineering is all about. Building events competitions are not just about building the project. Figuring out HOW to build the project, including choosing what parts to use, is a major portion. Choosing parts is almost always ...

Or you could wrap tape around the axles and motor so gears and wheels fit....
Tape is definitely helping me in building the Battery Buggy. Tape ftw

The motor is supposed to turn your battery's power into physical energy. In real world terms, stick energy on one side and the stick on the end will spin from the energy it was given. Its just a way to turn the batteries power into motion. I'm starting to have trouble finding parts that all fit toge...

I'm an eighth grader and is new to Science Olympiad. I was wondering if any professionals have any tips? Like common mistakes, or rules that are usually ignored, and stuff like that. Me and my partner have a basic understanding of what we are going to build. We are going to be shopping now in fact. ...