Alternate Battery Tray Construction Data

Construction Data for alternate battery tray in engine bay, similar to 240Z placement.
This tray is designed for a TYPE 51R battery.  Tray shown (black) was conveniently made from old computer case.
Tray thickness estimated at 14-ga.  In service for > 3 years.
Aluminum bracketry made from stock purchased from Home Depot (Home/Hardware/Metal Stock/Flat Bars).
Bolts all metric sizes (6-mm to tray and 10-mm through frame), length as needed.