lStep 6: Evaluate and update specifications as needed throughout the design project
»Make sure identified constraints are not too
restrictive as to eliminate a better solution
»If specifications are updated, indicate so in
the date column of the sheet
The Performance Specification Method
Performance Specifications
Measure available energy during proof of concept
REF
> 80% of stored energy is transferred to disc for launch
12-Feb
Measure energy storage potential during proof of concept
REF
Product
stores > 80% of user input energy
14-Feb
Verify with engr. drawings during preliminary design phase
KLW
Average diameter of grasping surface < 1.25 in. (Due to new ergonomic
data)
13-Feb
Review of concept variants (estimated size of grasping surface) during concept selection
RBS
Grasping surface can be held by the 95 percentile 4 year old
12-Feb
Test/Verification
Resp.
Specification
Date