PMA update
PMA 1: to be used for a 24vdc battery bank
24magnets: 1"x.5"x.5" N48, 2 discs @ 11.5" dia.
18 coils: 14AWG, 70turns, 3 phase, star configuration.
@21rpm=>1.27amps shortted
@36rpm=>3.10amps shortted
@123rpm=>14.1vdc
@212rpm=>27.0vdc
@300rpm=>39.0vdc
PMA 2: to be used for a 48vdc battery bank
24magnets: 1"x.5"x.5" N48, 2 discs @ 10.5" dia.
18 coils: 18AWG, 125turns, 3 phase, star configuration.
@13rpm=>.65amps shortted
@104rpm=>27.0vdc
@148rpm=>39.0vdc
@190rpm=>50.0vdc
@285rpm=>76.0vdc
i am happy with the results.
i have 2 pma's now to test/mount on my Column-R.
so you know, i am leaning towards the PMA1
regards
sam
