This is the Great Planes ElectriFly power system brushless motor mount. This attaches to the firewall and the electric motor attaches to this mount.
Requires: Mounting to the firewall and attaching the motor
Length: adjustable from 3.5-4.6 (89-117mm)
Mounting Plate Width: 3.1 (79.5mm)
Mounting Plate Height: 2.4 (62mm)
Bolt Pattern: 1.94 (49.3mm) at mounting hole centers
Note: Large motors install on outside of mount cage.