Recent content by Billwaa

Thanks for the response! So just to make sure I understand this correctly since this stuffs is kinda confusing. Assuming that subscript n is the inertial frame and subscript c is the body frame. And then in the rotation matrix, c is cos and s is sin. The equations on the top right are derived...

Hi, This is not really a homework problem, but a project I'm working on. So, I am trying to build a Simulink model for my quadcopter. I derived the equations of motion using the Newton-Euler method in the body frame to get transnational and angular acceleration. For the transnational part, I...

When I graduated college w/ honors in May with a BS MechE degree without a job offer I was upset and depress. I did co op with GE Aviation, research projects, got 3 minors, Dean's list... don't know what's wrong, been looking since start the of Fall. Then this week, I suddenly got offers from...

Well, the survey to written to get a general sense of where the technology and market is at. The questions might seems vague, but they can actually help us determine a target product cost range, which play a big role in determining the designs. The collector is a solar dish similar to the...

Hi, I am a student at Lehigh University. I don't know if this is a appropriated place to post this, but I kind of need some help on this. In one of my project courses, I am placed in a team with students of various majors to develop a solar collector (not solar panel, but a solar dish) for...