arc

CMASS will be holding the first of three scheduled ARC launches at the School Street Field in Acton on 09 March. The intention of these events is to give local ARC teams the opportunity to make practice and qualifying launches with the required NAR oversight for the qualifying flights. If your...

Hi everyone, we are new students that are new to rocketry but attempting the American Rocketry Challenge. We've designed our rocket but can't decide on the size on our engine mount. We've simulated the rocket design but everyone says you can't trust it until you fly it and adjust the drag in...

I am an instructor for several ARC teams and we really need to reduce our variability in max altitude. As I am learning more details about altimeters the recommended hole size is 0.02" or about 0.5mm. We had been just punching 4 holes with an awl equally spaced around the tube about 3-5mm in...