minde28383

yes, it is V4, but it's like 273 v3 and 205 v3. There is no some technical advantage due v4 marking. It's the same motor from technical...

It totally contradicts my understanding about constant If it is constant than why two minutes :)

I feel that I answered it as good as I understand it about constant power. Battery burst power is battery amps multiplied by voltage at...

''difference in torq / speed between normal 273 and the one with 50mm'' I think negligible difference with your controller and assuming...

If this hub is for light ebike up to 100kg than 273 40h 4kw is more than enough.

... will heat faster and won't be so efficient (in practice) as before mentioned 260 or 273... what I want to say that smaller motor...

no no, you mixing something. This is different motor. it is 260 which is 286mm diameter where spokes are laced. This is similar to 273...

ps. your motors is 3kw nominal, and because it is v2 I would call it about 2,5kw but officially it is 3kw.

you can do 50mhp with 205 v2, must be 5T 9kv. You want 30mph increase. This is very big speed increase. If dropouts 150/155mm than two...

Hi, QS 273 V3 40H 40mm magnets is not most powerful hub motor on the market. There is more powerful and potent. For example 273 with...

Hi, to those who read this. maybe you saw some discussion about new qs 260 40h version? can't find it here. Do you have something to say...