Balls of Fury Final Bill of Materials
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Materials Used
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from the Kititemuse
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stock for machining1/4 '' acrylic platetop
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1/4'' aluminum plate, 6x18outer side pieces (2)
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1/16'' aluminumtop & bottom support plates (2 each)
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Aluminum 1/2" square stock, 12" longFence
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Aluminum 90 Degree Angle Stockpillow brackets (2)
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Aluminum Square Tube Stock - 1"x1", 1/8" Wallfence shelf
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Aluminum rod, 1/4" diameterwheel axles, waterwheel axle, transmission axles for all 3 systems
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wheel assembliesPolypropylene wheelswheels (4)
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Flanged SS bearingbearings for wheels (2)
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Flanged brass bushingfasten wheels to axles (4)
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gearboxesTamiya 70168 Double Gearbox Kitrear wheels motor
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Planetary Gear Boxfence motor
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gears48 D.P.,48 Teeth spur gearwheels top gear
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48 D.P.,72 Teeth spur gearwheels bottom gear
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24 D.P.,24 Teeth spur gearfence gear
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Nylon rack, 24 pitch, 12" lengthfence rack
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otherElectrical connectors, male quick disconnectused 8
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.85 oz, 2-Part Epoxyused for shelf and fence rack
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from the cribitemuse
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4-40 screws (1/2 and 3/8 inch), 4-40 nutsfasteners
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Adhesive Velcro, 1" wide 0.188" thickstabilize control system
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#33 Rubber Bands 3.5" x 1/4" widewaterwheel transmission
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#64 Rubber Bands 3.5" x 1/2" widewaterwheel transmission
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wire
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electrical tape
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by tradeitemuseitems tradedtrade cost totalcost of item
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1/4'' acrylic plateinner side pieces (2)1/8" Delrin plate, $8.93Aluminum rod, 3/8" diameter, $2.44leftover acrylic from top piece, $112.3712.07
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Flanged brass bushingfasten wheels to axles (2 additional)Brass Surface-Mount Hinge (2), $1.621.620.86
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1/4'' aluminum platefence bumper, gearbox support plates, fence fasteners1/4" plywood, $3.32Steel threaded rod, $4.06Aluminum 3/4" Square Tube Stock, $3.121" ball caster, $414.513.82
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Planetary Gear BoxWater wheel motorTamiya 72005 6-Speed Gearbox Kit, $13.251" Compression Spring (2), $114.2514.25
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Aluminum 1/2" square stockFence (additional)48 D.P.,96 Teeth spur gear, $1.4348 D.P.,120 Teeth spur gear, $2.9390 and 180 deg torsion springs, 2*$1.276.96.11
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boughtitemusecost
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craft foam (from Michael's)water wheel1.78
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4 ball bearings (from McMaster online)bearings for axels (4 additional)35.18
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total:36.96
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total per person:9.24
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