Weight

The goal of this test is to weigh all of the added material to the wheelchair to see if  the added weight of the device exceeds the max value of Specification G2. To accomplish this all components of the device including the propulsion, electro-mechanical, and effort sensing systems were weighed using a scale. The weight of all components is 30.5 lbs. This exceeds the 25 lb limit set by Specification G2. This means that modifications that would cut down on weight should be considered in further prototyping. As shown in Table 9 below, the propulsion system, which includes the transmission and battery assembly together exceed Specification G2. The effort sensing system was not included in testing because the weight of them is insignificant compared to the other components.

Table 9 Added weight of different components in the device