I am curious about the power draw of the Cyclone and Bafang kits, if anybody has one with a CA, please share the full-speed power draw when the chain isn't connected to the rear. I think 200W loss at 12,000RPM is fine. Virtually all riding is done at a fraction of this speed and gearbox efficiency increases under load (unless your gears are bending...ahem...plastic...). This 200W loss doesn't speak to the actual efficiency measurement of power-in minus power-out, this is speed related so windage/pumping losses and bearing friction. I don't have a way to measure the mechanical power output of the system other than wheelies.
There are packs available that support 3220 powers. 14s8p of 30q or 25r support the current fine (15-20% sag at peak current). I've been steering people towards Hi-C Battery; Patrick builds nice packs down in Colorado (for shipping within the USA). The black pack in the previous picture is his, 14s8p of 30q, double nickel strips, 150A BMS and a measured IR of 56mOhm IIRC. The black box convenience of one pack, one plug is worth the additional cost over LiPo in my opinion. In Australia, I've spoken with E-max ebikes (https://www.emax-ebikes.com.au/
) and they are capable and willing to build 6kW packs. EM3EV does make nice packs- I've been trying to talk them into a larger BMS for us, but they're dragging their feet. Eric at Lunacycle can do make 'em but he's busy with his own stuff.
14s4p of 25r is rated for a continuous 100A, it could be used on the 3kW fine. Two of these 4p packs in parallel would support 150A of 3220 and provide 20Ah. 14s4p of 30q is rated for 60A continuous, two 4p 30q packs will support 120A of 3220 and provide 24Ah (my 14s8p 30q measures 23Ah).