|
|
SOURCE |
|
COST |
| Populated and tested circuit board with hand paddle | Mel Bartels | Stepper motor control | $105.00 |
| 2 NEMA 23 6v .8a 6 wire steppers | http://steppercontrol.com | Motors | $65.00 |
| 6 foot piece ½-13 threaded nylon rod | Ace Hardware(1) | Melding gears for altitude and azimuth | $23.00 |
| 3 10oz. Packs of JB Weld Industrial Weld | AutoZone | Gear molding compound | $30.00 |
| 2x4 sheet ¾" birch plywood | Home Depot | Altitude Sector | $10.00 |
| Panel mount volt and ammeter to monitor battery status | http://www.herbach.com/ | Electronic control system | $35.00 |
| 2 aluminum bars 1/16" thick and 1/2" x 72" | Ace Hardware | Metal covering for altitude bearings | $4.00 |
| 4 small bearings(2) | Ace Hardware | Altitude bearings | $5.00 |
| 3 large bearings(2) | Ace Hardware | Azimuth bearings | $4.00 |
| 4'x4' sheet 3/4" Plywood | Home Depot | Azimuth gear and ground board | $17.00 |
| Project Box, DB9 connectors, wire, misc.. 7 conductor cable solder, connector blocks | Radio Shack(3) | Electronic assembly and motor connectors. | $45.00 |
| aluminum 72" x 3" x 1/8th | Ace Hardware | Motor mount brackets | $21.00 |
| Sheet steel 24" x 24" x 22 ga. | Ace Hardware | Bottom of rocker box | $14.00 |
|
Total |
$378.00 |
(2) Image of bearing from Mel Bartels' Home page. This is the same type bearing found at Ace. Check in the screen door parts for similar items.
(3) Actually one of the big Radio Shack.Com stores. Used to be Tech America on Buford Highway just outside I285.