Added Info FINE HOMEBUILDING #102 Apr-May 1996 pg. 6
Sheet metal brake is built from a pair of angle irons. Will bend and fold sheets of metal up to one foot in width. Brake is clamped to a bench vise.
MECHANIX ILLUSTRATED #608 Jan 1979 (v.75) pg. 68
How to make a sheet-metal bending brake
MOTHER EARTH NEWS #56 Mar-Apr 1979 pg. 144
Homemade sheet-metal brake is capable of bending a 24"-wide piece of 14-gauge mild sheet steel. Made from angle iron.
MOTHER EARTH NEWS #77 Sep-Oct 1982 pg. 172
Tip on bending sheet metal using only two C-clamps, a piece of 2x4 and a hammer.
OLD-HOUSE JOURNAL Sep-Oct 1994 (v.22#6) pg. 66
Tip shows how to bend metal using the clamping mechanism of a portable workbench.
OLD-HOUSE JOURNAL Jan-Feb 1996 (v.24#1) pg. 18
Roller action sheet metal brake. Part 1.
POPULAR MECHANICS Oct 1964 (v.122#4) pg. 186
Roller action sheet metal brake. Part 2.
POPULAR MECHANICS Nov 1964 (v.122#5) pg. 184
How to make a sheetmetal brake from wood that will make bends and folds in metal up to 26-gauge.
POPULAR MECHANICS Jan 1973 (v.139#1) pg. 170
Tip: Make a clip to hold a spring-loaded index pin in the "out" position. Such index pins may be found on sheet metal brakes and other equipment.
POPULAR MECHANICS May 1980 (v.153#5) pg. 68
A small sheet metal brake accepts a maximum width of 17.5" and weighs only 53 pounds.
PROJECTS IN METAL Jun 1990 (v.3#3) pg. 16
Design for a sheet metal brake capable of bending .062 chrome moly with a 1/8" radius.
SPORT AVIATION Dec 1983 (v.32#12) pg. 27
Build a sheet metal brake from 2x6s and a piano hinge.
SPORT AVIATION Nov 1987 (v.36#11) pg. 37
Building a hand brake for bending 16 ga., 14 ga., and small pieces of 12 ga. sheet metal.
SPORT AVIATION May 1989 (v.38#5) pg. 60
Brake with capacity up to 18 gauge and widths to 30" can also bend pans, boxes and closed ends up to 2" deep.
WORKBENCH Mar-Apr 1964 (v.20#2) pg. 22
Build your own combination workbench and sheet metal brake.
WORKBENCH Sep-Oct 1980 (v.36#5) pg. 50
Compact sheet metal brake is ideal for small work. Handles work up to 21.5" wide and 18 or 24 gauge.
WORKBENCH Mar-Apr 1982 (v.38#2) pg. 64