| MATERIALS: | |
| 27 feet of 2 1/2-inch square steel tube with 0.188-inch wall | |
| 38 feet of 2-inch square 11-gauge steel tube (must fit inside 2 1/2-inch tube) |
|
| 2 feet of 3 1/2-inch round steel tube with 3/16-inch wall | |
| 2 feet of 3-inch round steel tube with 3/16-inch wall (must fit inside 3 1/2-inch tube) |
|
| 2 feet of 5/8-inch threaded rod | |
| two 5/8-inch hex nuts with flat washers | |
| ten 3/8-inch hex nuts, each with a 3-inch cap screw and two flat washers | |
| six 5/16-inch hex nuts with 1-inch cap screws | |
| Scrap steel plate or 1-inch square tube for braces | |
| Four casters with 10-inch wheels (two swivel-type, two fixed) | |
| TOOLS: | |
| Chop saw or cut-off wheel | |
| Hammer and Center punch | |
| Drill press with vice (necessary to make consistent, true holes) | |
| 29/64 and 5/8-inch drill bits, plus a chamfer or deburring bit | |
| Welder | |
| Grinder and files, to deburr cut steel | |
| Carpenter's square | |
| Metal Scribe | |
| Hand Wrenches | |
| Vice-Grips for welding | |
|
# |
Description |
Qty. |
Length |
Drill Size |
Hole Placement |
| 2 INCH O.D. SQUARE TUBE STOCK: | |||||
| 1 | Upright | 2 | 60 in. |
29/64 in. |
Start 6 in. from end, 18 holes at 3 in. o.c. |
| 2 | Rotating Arm | 2 | 48 in. |
29/64 in. |
Start 2 in. from end, six holes at 2 in. o.c. 24 in. from end (centered) |
| 3 | Base Connector | 2 | 12 in. |
-------- |
-------- |
| 4 | Bracket Adjusting Arm | 4 | 11 in. |
29/64 in. |
Start 2 in. from end, four holes at 2 in. o.c. |
| 5 | Bracket Attaching arm | 4 | 11 in. |
29/64 in. |
2 in. from end, both ways through tube |
| 6 | Main Center Connector | 1 | 84 in. |
-------- |
-------- |
| 2 1/2 INCH O.D. SQUARE TUBE STOCK: | |||||
| 7 | Base | 2 |
48 in. |
-------- |
-------- |
| 8 | Pivot-arm Slide | 4 | 6 in. | 29/64 in. | 1 1/2 in. from end |
| 9 | Bracket Holder | 4 | 3 in. | 29/64 in. | 1 1/2 in. from end |
| 10 | Pivot Height Adjuster | 2 | 12 in. | 29/64 in. 5/8 in. |
2 in. from one end 6 in. from end, through top of tube only |
| 11 | Center Span Adjuster | 2 | 72 in. | 29/64 in. | 2 in. from each end, through one side only |
| ROUND TUBE STOCK: | |||||
| 12 | Rotor (3 1/2-in. o.d.) | 2 |
8 in. |
29/64 in. |
2 in. from end, through top of tube only |
| 13 | Pivot axle (3-in. o.d.) | 2 |
8 in. |
-------- |
-------- |
| 5/8 INCH THREADED ROD: | |||||
|
14 |
Pivot Connector |
2 |
11 in. |
-------- |
-------- |
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