I think the angle bar design is bad. It looks like bullets will impact perpendicular to its surface. It would have been better if bullets hit at a 45 degree angle.
Given mobility is an issue (and KISS is always good) I would have done the following:
1. Use 2x4s for legs and cross beam. The "instant sawhorse" kits are great for this and some designs easily break down.
2. Fabricate metal S brackets to hold the plates. One loop hooks on the 2x4 and the other holds the plate hanging down.
3. Use a piece of right angle as a deflector to protect the part of the S bracket that hooks over the 2x4.
4. Add a wedge just below the bracket so the plates sit at a 15 degree angle. This will direct splatter down and stop plate movement once it's hit.
With this type of swinger design the plates will move when hit but quickly come back to rest. No additional (and heavy) reset mechanism required, component parts are relatively light and you can vary the number and spacing of plates.
Given mobility is an issue (and KISS is always good) I would have done the following:
1. Use 2x4s for legs and cross beam. The "instant sawhorse" kits are great for this and some designs easily break down.
2. Fabricate metal S brackets to hold the plates. One loop hooks on the 2x4 and the other holds the plate hanging down.
3. Use a piece of right angle as a deflector to protect the part of the S bracket that hooks over the 2x4.
4. Add a wedge just below the bracket so the plates sit at a 15 degree angle. This will direct splatter down and stop plate movement once it's hit.
With this type of swinger design the plates will move when hit but quickly come back to rest. No additional (and heavy) reset mechanism required, component parts are relatively light and you can vary the number and spacing of plates.

I would say maybe i should have made the main beam a 3/8" x2x3 angle, next time!


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