Science Education
Component List
18 gauge stranded hook-up wire (250 feet needed)
PVC water pipe (28" long with an inside diameter of 1 1/2" and outside diameter of 1.66")
30" long survey flags (400 needed)
power switch (SPST, 15A)
power cord (18 AWG, 3 conductor)
fuse holder (1" × 1/4 " fuse, 20 amp capacity)
8 amp, 240 volt fast acting fuse (1 1/4" × 1/4 ")
1 × 4 plank of white pine (roughly 4 feet needed)
1/4" thick plywood (roughly 1 square foot needed)
medium size wire nuts (2 needed)
steel wool (grade #0 or #00)
3/16" diameter heat shrink (roughly 12 inches needed)
1" diameter heat shrink (3 32" long sections needed)
copper ring (inside diameter of 1.70", outside diameter of 2.41" and .125" thick)
aluminum ring (inside diameter of 1.70", outside diameter of 2.41" and .125" thick)
split aluminum ring (inside diameter of 1.70", outside diameter of 2.41" and .125" thick)
1" long #6 wood screws (4 needed)
1 1/2" long 4d finishing nails (roughly 12 needed)
adhesive felt (roughly 6 inches needed)
adhesive felt feet (4 needed)
5 minute epoxy (3 packets needed)
wood glue
duct tape
All of the components are gathered (the base has already been assembled).
Close-up of the rings on a one centimeter grid.
This page is maintained by Steve Gagnon.