Final Documentation Appendix

ROBOT GIRAFFE'S BOM
Item Description	Price	Quantity	Subtotal	Use	Supplier	Part #
black corrugated flexible tubing, 2" O.D. x 1-3/4" I.D.	$0.22	1	$0.22	tubing	McMaster	53145K33
Aluminum plate, 1/4" thick	$13.82	1	$13.82	baseplate	Alro	Quote
Aluminum rod, 1/4" diameter	$2.31	1	$2.31	axle	Alro	Quote
Aluminum Square Tube Stock - 1"x1", 1/8" Wall	$10.10	1	$10.10	square bracket + top arm	Alro	Quote
Aluminum Square Tube Stock - 3/4"x3/4", 1/8" Wall	$3.12	1	$3.12	caster block	Alro	Quote
Steel threaded rod, 1/4"-20	$4.06	1	$4.06	pins	McMaster	94210A125, divide
Bright Brass Surface-Mount Hinge with Holes Nonremovable Pin, 3/4" Open Width	$0.81	1	$0.81	arm hinge	McMaster	1603A3
Flanged brass bushing - 1/4" ID, 3/8" OD	$0.43	4	$1.72	bushing	McMaster	2938T1
48 D.P.,72 Teeth, 20° Pressure Angle, Acetal/No insert spur gear	$1.35	2	$2.70	gear	ADP-SI	A 1M 2-Y48072
48 D.P.,96 Teeth, 20° Pressure Angle, Acetal/No insert spur gear	$1.43	2	$2.86	gear	SDP-SI	A 1M 2-Y48096
3" Extension springs	$1.22	2	$2.44	arm spring	McMaster	9271K182
Polypropylene wheels, 3" diameter, 1/4" bore	$1.43	2	$2.86	wheels	McMaster	2781T72
1" ball caster	$4.00	2	$8.00	ball casters	McMaster	6460K31
Felt	$0.99	1	$0.99				Purchased
Tamiya 72005 6-Speed Gearbox Kit (includes motor)	$13.25	2	$26.50	motor	Pololu	74
2" 1/4-20 bolts	$0.35	2	$0.70	Bolts	Jack's Hardware	(none)	Purchased
Buna-N sheet, 1/16" thick	$0.19	2	$0.38	funnel	McMaster	9023K324
Stock fasteners (screws, washers, bolts, nuts)	$0.00	as needed	$0.00	screws & bolts	McMaster	as needed
TOTAL COST			$83.59
*NOTE: traded 1/8" Delrin plate for 1" ball caster + 2 gears + 2 48 D.P.,96 Teeth, 20° Pressure Angle, Acetal/No insert spur gear*
*NOTE: traded Tamiya 70168 Double Gearbox Kit for 2nd Tamiya 72005 6-Speed Gearbox Kit*