Andy wrote: ↑Fri Aug 23, 2024 12:35 am
Pleasure Jonathon. Lovely setup you have there and I wish I could design racks like yours. My wooden thing felt like something from the dark ages
Did you have a jig to drill the holes in the metal posts?
No - it was simpler than that.
1. Stack the batteries with appropriate size spacers between them. I have mine at 15mm spacing and 100mm up from the floor for 'escape of water' damage prevention - this is a basement plant room.
2. Clamp a piece of angle iron to the back of the front panels
3. Mark up each hole with pen.
4. Remove and drill + tap each hole to M6.
5. Screw the angle in place with rack screws and washers.
6. Take out the front spacers. The back ones stay to provide the rear support.
The result is very stable. The partial weight of 5x 38kg on the back of the bottom battery seems easily handled without any deformation of the case.
My plan for the next stack is to make a ladder in angle iron to support the rear, which is then tied to the front support with threaded rods. This will also be fixed to the wall behind.