The purpose of Lab 07 was to allow groups to further understand the strengths and weaknesses of their AEV’s through testing and results analysis. One of the objectives in lab 7 was to verify that the wheel counting sensor was operation accurately and that the sensor was operating in the correct way by running the AEV on the straight track and documenting the mark error in an excel spreadsheet. Another objective for lab 7 was to calculate the propellor force and the friction force of the AEV when it operated along the straight track length. These objective were important to the group because it allowed for the group be develop another tool that would allow for optimization of the AEV. This lab gave the group a better understanding of how things such as weight, friction, power, speed, etc. affect the efficiency of a vehicle and how to test for these things. Knowing how to interpret and collect this information is an important aspects of physics and therefore many fields of engineering and other STEM fields.