Hello guys,
Optional long introduction
A few weeks ago I (successfully) build my first e-bike! I used a locally made classic style bike with steel frame, no suspension, 28" wheels. Motor is Crystalyte 4065 rear wheel hub motor (High Torque), Controller is 24-48V 40A sensorless and I used 60 Panasonic NCR18650B cells to create a 10S 6P 37V 20Ah battery pack and control the motor with a half twist regulator. The bike is setup with a single (high) gear (freewheel). Top speed is just shy over 20mph and thanks to the high torque motor it accelerates nicely and goes over bridges/hills with ease.
I would like to build a full suspension freeride e-mountainbike (26" wheels) as well for some off-road fun and just messing about. For hardware I would use the same motor (Crystalyte 4065) but with a 48-72V 45A controller. I have not decided on what Voltage I would run the bike at, but have a question concerning this.
Specs
Motor: Crystalyte 4065 (3000W; 24-72V; 50Amp max; 8 RPM/V; Max Torque 55-120Nm) in a 26" wheel + Controller 48-72V 45A
Target: 25MPH top speed with quick acceleration / climbing ability (MTB)
Battery 1 : 91x NCR18650B 13S 7P 48,1V 23Ah 47Amp max (48V * 45A = 2.160W theoretical max output)
Battery 2 : 96x NCR18650B 16S 6P 59,2V 20Ah 40Amp max (60V * 40A = 2.400W theoretical max output)
Battery 3 : 120x NCR18650B 20S 6P 74,0V 20Ah 40Amp max (74V * 40A = 2.960W theoretical max output)
Actual question
According to the spec sheet of the motor; 48V is sufficient to reach 25mph. Will there be a noticeable increase in acceleration or climbing ability if I opt for a higher voltage battery? The motor is rated for 3000W, so I assume with 48V * 45A I would only be able to use 2.160W ? To use it's full potential of 3.000W I would need to use a 74V * 40A setup?
I'm not trying to build a motorcycle or break any records. I just want something fun and reliable.
Thanks!
Kind regards, Michiel.
Optional long introduction
A few weeks ago I (successfully) build my first e-bike! I used a locally made classic style bike with steel frame, no suspension, 28" wheels. Motor is Crystalyte 4065 rear wheel hub motor (High Torque), Controller is 24-48V 40A sensorless and I used 60 Panasonic NCR18650B cells to create a 10S 6P 37V 20Ah battery pack and control the motor with a half twist regulator. The bike is setup with a single (high) gear (freewheel). Top speed is just shy over 20mph and thanks to the high torque motor it accelerates nicely and goes over bridges/hills with ease.
I would like to build a full suspension freeride e-mountainbike (26" wheels) as well for some off-road fun and just messing about. For hardware I would use the same motor (Crystalyte 4065) but with a 48-72V 45A controller. I have not decided on what Voltage I would run the bike at, but have a question concerning this.
Specs
Motor: Crystalyte 4065 (3000W; 24-72V; 50Amp max; 8 RPM/V; Max Torque 55-120Nm) in a 26" wheel + Controller 48-72V 45A
Target: 25MPH top speed with quick acceleration / climbing ability (MTB)
Battery 1 : 91x NCR18650B 13S 7P 48,1V 23Ah 47Amp max (48V * 45A = 2.160W theoretical max output)
Battery 2 : 96x NCR18650B 16S 6P 59,2V 20Ah 40Amp max (60V * 40A = 2.400W theoretical max output)
Battery 3 : 120x NCR18650B 20S 6P 74,0V 20Ah 40Amp max (74V * 40A = 2.960W theoretical max output)
Actual question
According to the spec sheet of the motor; 48V is sufficient to reach 25mph. Will there be a noticeable increase in acceleration or climbing ability if I opt for a higher voltage battery? The motor is rated for 3000W, so I assume with 48V * 45A I would only be able to use 2.160W ? To use it's full potential of 3.000W I would need to use a 74V * 40A setup?
I'm not trying to build a motorcycle or break any records. I just want something fun and reliable.
Thanks!
Kind regards, Michiel.