ebike4healthandfitness
10 kW
- Joined
- May 19, 2012
- Messages
- 675
How many volts do you run on your daily driver ebike, emoped or eBSM?
BSM is an acronym for "Bicycle shaped motorcycle".
BSM is an acronym for "Bicycle shaped motorcycle".
MadRhino said:BSM does suggest a motorcycle that is shaped to bicycle appearance. We don’t build this here. We build fully functional bicycles with all bicycle components, and the only thing they have in common with (some) motorcycles is performance. What defines motorcycles is not performance. It is a matter of frames and components, mostly size and weight of them.
MadRhino said:Voltage is irrelevant. Only speed and/or power are valuable comparison values. Some may believe higher voltage is a performance factor for ebikes, but in fact it is not practical to build interesting performance on a bicycle with high voltage because of controllers size and weight. Even high performance e-motorcycles are not built high voltage, because size and weight does matter. High voltage is typical of cars because they have room/size for this. Ebikes and e-motorcycles are typically built within the range of 36-84v nominal voltage. Very few are out of this range, and often bad engineering when they are.
ebike4healthandfitness said:1. Grin phaserunner is a small controller and yet it allows up to 21s for voltage.
2. Harley Davidson and Zero motorcycles are over 100v nominal.
48V (13S) for most of them. 60V (15S) for my older son's bike.ebike4healthandfitness said:How many volts do you run on your daily driver ebike, emoped or eBSM?
pullin-gs said:12S 44V is my favorite
12S is a nice even number when it comes to battery maintenance also.Chalo said:pullin-gs said:12S 44V is my favorite
I don't know why it isn't more popular. It pushes typical too-fast wound hub motors in the right direction, and trips LVC at a relatively healthy cell voltage on 48V controllers. Plus it lets you salvage 48V and 52V packs that have one cell group murdered by a vampire BMS.