DrkAngel
1 GW
Updated ... refined
1. Motor speed can be varied by voltage.
Effectively, a somewhat equivalent of gearing.
1a.Panels in series or parallel.
4 x 12V panels
12V 1 in series 4 parallel (1s4p) 20A 50rpm (no load speeds) for comparison purposes only
24V 2 in series 2 in parallel (2s2p) 10A 100rpm
48V 4 in series 1 in parallel 5A 200rpm
1b. Battery similarly. (180wh)
180Wh / 3.6V Lithium = 50Ah
50Ah / 24 cells @ 2.08Ah
2s12p 7.2V 24Ah 20rpm (no load speeds) for comparison purposes only
3s8p 10.8V 16Ah 30rpm
4s6p 14.4V 12Ah 40rpm
6s4p 21.6V 8Ah 60rpm
8s3p 28.8V 6Ah 80rpm
12s2p 43.2V 4Ah 120rpm
Please note:
Li-ion rated at 180Wh, discharged in 25min can output near 170Wh
SLA Sealed Lead Acid rated at 180Wh, discharged in 25min might output a pitiful 80Wh.
2. Watt-watt Hour meters are fairly accurate and inexpensive. If a throttle is used, maximum safe battery output can be regulated fairly precisely!
180wh x 60/25 min = 432w
Should maintain 400w+ battery output for 25 minutes
1. Motor speed can be varied by voltage.
Effectively, a somewhat equivalent of gearing.
1a.Panels in series or parallel.
4 x 12V panels
12V 1 in series 4 parallel (1s4p) 20A 50rpm (no load speeds) for comparison purposes only
24V 2 in series 2 in parallel (2s2p) 10A 100rpm
48V 4 in series 1 in parallel 5A 200rpm
1b. Battery similarly. (180wh)
180Wh / 3.6V Lithium = 50Ah
50Ah / 24 cells @ 2.08Ah
2s12p 7.2V 24Ah 20rpm (no load speeds) for comparison purposes only
3s8p 10.8V 16Ah 30rpm
4s6p 14.4V 12Ah 40rpm
6s4p 21.6V 8Ah 60rpm
8s3p 28.8V 6Ah 80rpm
12s2p 43.2V 4Ah 120rpm
Please note:
Li-ion rated at 180Wh, discharged in 25min can output near 170Wh
SLA Sealed Lead Acid rated at 180Wh, discharged in 25min might output a pitiful 80Wh.
2. Watt-watt Hour meters are fairly accurate and inexpensive. If a throttle is used, maximum safe battery output can be regulated fairly precisely!
180wh x 60/25 min = 432w
Should maintain 400w+ battery output for 25 minutes