Folks,
This group is an amazing resource. I have been reading this stuff for months.
I am an old cyclist. I love long rides by myself...20-100 miles...upright and recumbent. I'm thinking of a highracer with a 48 volt, 20 amp Ping pack. I will pedal all the time...want to average ~20 mph. I really want it quiet, and simple. It is very hilly here. So a Crystalyte 4XX on a bracket will replace the idler below the seat. One chainring...slide motor back to tighten front chain. From there back to a 11-34 cassette.
I want to run the motor for efficiency most of the time...80% of unloaded rpm. Looks like my only choices are the 408 or 4011. Anyone know which Stokemonkey and Hanebrink use? Pros and cons of either?
On the Crystalyte site they give specs for these motors. Can anyone explain why the 4011 on 48 volts only got a 75 kg rider on a MTB to 25km/h (201rpm) when the unloaded rpm is 320.9?
Thanks, Warren
This group is an amazing resource. I have been reading this stuff for months.
I am an old cyclist. I love long rides by myself...20-100 miles...upright and recumbent. I'm thinking of a highracer with a 48 volt, 20 amp Ping pack. I will pedal all the time...want to average ~20 mph. I really want it quiet, and simple. It is very hilly here. So a Crystalyte 4XX on a bracket will replace the idler below the seat. One chainring...slide motor back to tighten front chain. From there back to a 11-34 cassette.
I want to run the motor for efficiency most of the time...80% of unloaded rpm. Looks like my only choices are the 408 or 4011. Anyone know which Stokemonkey and Hanebrink use? Pros and cons of either?
On the Crystalyte site they give specs for these motors. Can anyone explain why the 4011 on 48 volts only got a 75 kg rider on a MTB to 25km/h (201rpm) when the unloaded rpm is 320.9?
Thanks, Warren