Fred Kim CAD Portfolio

Buoyancy: !"#$% = !"#$!"$$"% !"#$% = 59,258 ! 0.03611 ! = 2139.8 !"!#$ (!"#$ +!"#$%) 0.5 !"#$% , then the boat is at least 50% buoyant. !"!#$ = 401 + 500 = 901 2139.82 = 1069.9 = !"#$% , 50% . Cost: Total masses Aluminum = 5.021 lbm $0.50/lbm Polycarbonate = 344.869 lbm $2.00/lbm PVC =19.645 lbm $0.75/lbm Stainless steel = 31.243 lbm $0.45/lbm Total Cost = $721.04

Rear Wheel Assembly Mass = 64.51 pounds Center of mass: ( inches ) X = 0.00 Y = -0.33

Z = 0.83 Interference Table Part 1 Part 2 Type Interference Design Change Stud Hex nut Thread N/A Wheel Knockoff Chamfer Same Diameter

Chamfer Knockoff Axle Thread N/A Axle Snapring Protruding snapring N/A (Flexible

snapring) Wheel Stud Round vs. V-Hole Make Stud V-Shape Axle Inboard Bearing Round Remove Round

Part: Wheel Mass = 40.25 pounds Center of mass: ( inches ) X = 0.00

Y = 0.00 Z = 0.76

.

Figure 1: Standard 3-View and Isometric View of Pipe wrench with dimensions (ANSI Inches)

Figure 2: Exploded Isometric View of Pipe wrench Assembly with Bill of Materials

Mass engine: 44.352kg Center of mass: (0.00mm, 27.94mm, 51.66mm) xyz Interference Table: Part 1 Part 2 Type of Interference Design Change Flywheel Crankshaft Mismatched rounds Set rounds equal hex lock nut m3x0.5

socket head cap screw m3 x 0.5 x 14

Mismatched thread

Set thread diameters (major/minor) equal

Crankshaft hex nut m14x2

Mismatched thread Set thread diameters (major/minor) equal