Quantity   Component name
16 × 1/2" Percision nylon ball berrings Purchased online from http://myworld.ebay.ca/toolsupply
8 × Fiberglass tent poles Aquired from an old popup tent
4 × Electric Window Motors
1 × 3/8 " nylatron stock 12 x 8
4 × linear taper 5K pot
20 × 20mm extender springs Purchased on Ebay
1 × 1/2" nylatron stock 12" x 12"
20 × 1/4" nf 32 x1" length socket head screws
16 × # 6x32 x 1/2" length socket head screws Electronic Components / Misc. Electronic Components
4 × PWM motor drive units
1 × 4 channel a-d converter