As rear bag guides, two 1X5-inch parallel, thin-wall
angle irons were attached at the sides.
Angle iron provides a stronger installation and reduces vibration, which helps extend the opener's life span.
With the rings attached and an
angle iron brace welded 12" from the top to hold a grate made of expanded metal, the fire ring was ready for service.
They vary considerably in size, according to the dimensions of the cave opening, and they're assembled at the location from 30-foot lengths of
angle iron, each piece weighing about 400 pounds.
The sheet metal, pipe, and
angle iron used in construction, cost approximately $60.
The thing that took my interest most was the piece of
angle iron screwed to the bottom of the tool you produced.
The materials list includes: 1" heavy wall conduit, 11/4" heavy wall conduit, primer and paint, flat lead, 11/2" x 11/2"
angle iron, grass mats, black zip ties, hex head self-tapping screws, broom handle snaps, camo burlap, mesh trucking tarp, wire feed welder, conduit bender.
To make the rails, lay lengths of
angle iron like an inverted V.
I make my mud scrapers from scrap
angle iron. One abundant and often free source is old bed frames.
"It was so large, we had trouble keeping the magnet base secure to the
angle iron," adds Garrison.
Cut the slotted
angle iron to length with a hacksaw and screw the pieces to the support blocks with 1-1/2 x 5/16-in.