Team Wrecked Week 9 Deliverables: Engineering Analysis
Energy Experiment h = 3 ft w = 2.5 lb d = 25 ft Weight was dropped from a fixed pivot point like a pendulum Wanted to achieve a distance of 25 ft.
Experimental Results
Spring-loaded Arm - FBD
Shear and Bending Diagrams
Powered Arm - FBD
Shear and Bending
Governing Equations
EES Equations
Important EES Results Spring constant, k = lbf/in. Max spring force = lbf Torque required by motor = lbf-in. Max beam stress, σ = 24.7 ksi
Material Selection Tensile Yield Strengths σ (ksi) Engineering Plastics~ Wrought Aluminum Alloy~ 5-73 Aluminum Casting Alloy~ 9-30 Copper Alloys~ Cast Iron~ Stainless Steel~ Carbon Steel~
New Design