Existing one I built a few years back is:
- 500 from ground to flat of first plywood
- 450 flat to flat
- 460 flat to flat
- 450 flat to flat of top
- 30x30x3mm steel angle for verticals and front to backs
- 25x25x?mm steel box for main side to side beams
- 20x20x3mm steel angle for mid-shelf stiffening
All steel sprayed with black zinc to prevent surface rust, this has lasted nicely for years without any sign of degradation.
The Plan
For the new one is 1800 high at the top.
1800 / 4 = 450, 450-10-25 = 415 or 3x400 + 1x460
And the cutting list therefore looks like this:
- 30x30x3 angle 4x1800 for verticals to clear beams in the ceiling of the garage
- 30x30x3 angle 10x600 (or whatever half a sheet of ply minus cut is, minus stuff at ends of 25+25=50) for front/rear beams
- 25x25x3 box 10x2400 (or whatever a ply sheet is to avoid excessive wood cutting) for side to side beams
- 20x20x3 angle 10x600ish-50 as above
Construction is simple because if you get the steel pre cut, and the ply sheet sliced down the middle, then assembly is as simple as a bit of welding and clearancing ply in the corners for the weld. And maybe grinding some welds off for a smooth surface for the ply, depending on how you weld it.
I need to complete this project and get my stuff onto them and off the floor/bench before I attempt this other project that I posted about a while ago: viewtopic.php?f=15&t=2541
I love these shelves, highly recommended, A++.
Fred.