After several failed attempts to bend the rudder spar i ended up going to a local sheet metal shop for help.
Plans for making a sheet metal brake.
The problem with that is that their equipment is not set up for the 1 8 inch radius bend specified in the plans.
Take care not to weld the pipes together.
But you can use your welding table or bench a channel iron or a rectangular tube.
The first step was cutting the components the 2x4 was cut to 48.
The bending angle is what folds the metal.
Put the nipple pipes in between the two angle irons and carefully weld the nipple pipes onto the steel rod do this alternately to form the hinge.
Build a sheet metal brake step 1.
To make a hinge for your sheet metal brake align the two angle irons.
Step 1 cut two 12 inch pieces out of one of the 2 x 4 s.
Select materials that will be strong enough for your needs.
It s made from a few pieces of hardwood to form the base and hinged handle.
As long as we have collected all the needed materials.
I cut out 1 2 off each corner of the bending angle.
Cut the angle iron and steel plate in sizes listed above making sure edges are square and straight.
It makes crisp clean bends on sheet metal up to 22 ga for great looking results.
The angle iron with a welded threaded nut and the undrilled angle iron.
Dave s cheap sheet metal bending brake i started building my zenith ch601xl from plans in mid january 2006.
Calculate the desirable full width of sheet metal brake.
With some lumber you can build a brake from wood that will perform just as well as an commercial sheet metal brake.
Lay the 7 x42 piece on top of the 14 piece with the front edges.
Learning how to work with sheet metal can open up a lot of potential for practical projects.
The sheet metal is clamped under a piece of.
I cut my scrap steel angle.
Construct a box 15 inches wide by 8 feet long by gluing together and screwing the 12 inch pieces between two other 8 feet 2 x 4 s fit the 12 inch pieces flush with the.