These prices do not include tax and shipping. All parts were ordered
in September and October 1998.
Part |
Vendor |
Price per kit |
Acrylic laser cut pieces:
- sector pulley (we milled and tapped screw holes)
- stabilizer
- handle
- large (motor) stand
- small stand
- magnet mount (we milled hole)
- sensor mount
drawings |
Laser Custom Designs, LLC
4566 Enterprise Street
Fremont, CA 94538
Tel: 510-438-0191
Fax: 510-438-0194 |
$10.83 |
Rare Earth NDFE magnet
Part number PNDN33HC4662B |
Dexter Magnetic Technologies
48460 Kato Road
Fremont, CA 94530
Tel: 510-656-5700 |
$2.88 |
Hall effect sensor Allegro A3507LU
Part number 689177445 MI-PART
Specifications |
Sterling Electronics
2159 Bering Drive
San Jose, CA 95131-2014
Tel: 800-745-5500 |
$1.74 |
Stainless steel Ground Shafting
Part number A1-30 |
PIC Industrial Components Corp.
P.O. Box 1004
Benson Road
Middlebury, CT 06762
Tel: 800-243-6125
Fax: 710-477-5234 |
$1.25 |
2 External gripping retaining rings
Part number Z5-1 |
PIC (see above) |
$1.14 |
Maxon 4 Watt DC Motor, 6V nominal (bought surplus)
Part number 2326.948.12.121-025
Motor Specifications from the Maxon
catalog (948) |
HdB Electronics
2860 Spring Street
Redwood City, CA 94063
650-368-1388
Fax: 650-368-1347 |
$9.00 |
2 Nylon screws (6-32 X 3/4 slotted pan head)
Part number 6C75SPMN |
The Olander Company, Inc.
144 Commercial Street
Sunnyvale, CA 94086-5298
Tel: 408-735-1950
Fax: 408-735-6515 |
$0.12 |
2 Nylon washers (#6 X 0.312 O.D. X 0.032 THK. F/W)
Part number /FWN-6 |
Olander (see above) |
$0.06 |
2 Bronze bearings (Ref number B7-31)
Part number /Bl1-2 |
Olander (see above) |
$1.56 |
2 Stainless steel screws (4-40 X 5/16 Slotted pan head)
Part number 4C31SPMS |
Olander (see above) |
$0.05 |
Wood for base (6" X 4' 1" pine)
We cut to size and machined slots |
Ace Hardware
www.acehardware.com |
$0.34 |
Thread for cable (we used spiderwire) |
BassPro
Spiderwire
at www.basspro.com |
$0.03 |
Motor pulley (machined from 1/4" dia. brass rod stock) |
Orchard Supply Hardware
www.osh.com |
$0.33 |
|
Total |
$29.33 |