Hi. I'm the tech guy here. I also like ebikes:
My first major build:
1.6kW 8T MAC motor on a Trek 4500 MTB.
Leafmotor 1500w @ 4kW on a Turner O2 full suspension.
The monster scooter:
Cannondale semi recumbent - under construction.
Maxaraya FS semi recumbent and high efficiency mid-drive - under construction.