jslabonte
10 W
I am in for a q100.
jslabonte said:I am in for a q100.
Any news on this one?
In any case, any recommendations on where to get q100 motor laced in a rim, black is the preferred color.
Allex said:Any news on this one?
In any case, any recommendations on where to get q100 motor laced in a rim, black is the preferred color.
motomech said:Paul introduced the "Cute" years ago when it was a prototype. He was the first to open one and the first to count the gears, etc.
He was cel-man then and you can search his posts.
So he knows them well and I'm betting that now that he is busy w/ the Macs and central motors, that he probably doesn't think the mini's are worth the trouble.
Allex said:Scooter! Thats a great post by you, wow!
I will be using it on a regular MTB 26" the avatar is my old Stealth so it is not for that one =)
I did a post on my req. in another thread here:
https://endless-sphere.com/forums/viewtopic.php?f=2&t=55477&start=275#p1216471
Basically I want to have a very light bike 10s battery and about 40km/h on 26" if this will get me ~40 I am willing to build 12s battery. Powrer would be 20-25A peak for a few seconds, so lets hope it will hold. I can always install temp sensor as I will be having CA on the handlebar.
So I am leaning towards q100h casette(or it does not have that option?) 260rpm version hoping it will do alright!
motomech tells me that "The H is capable of a higher power level than the CST, but for a rear mount, it requires a free wheel, which I do not much care for.
I run both on 17 Amp controllers, but the H model will take up to 22 A. The CST is best left @ 17 Amp."
Oh and great tip about Paul, I was actually thinking about contacting him regading q100...
Thx!
motomech said:What's being over-looked here is system efficiency.
If one uses the Sim. @ Ebike CA, you get these numbers;
201 motor in 700cc whl. on 48 Volts/20 Amps=21.6 Mph w/ 80% efficiency
328(Actual 290 rpm @ 36V)motor on 36V/20A= 23 Mph w/ 73% efficiency.
A reduction of 7% efficiency would be noticable in range, but more importantly, indicates the controller will be trying to max the Amps a greater % of the time leading to controller over-heating.
When one reads of guys using high-speed mini's in big wheels, I strongly suspect they are very fit roadie types.
For the rest of us, a high-speed mini in a big wheel is a mistake. A mid-speed (260) has proven time after time to be the best overall combo for 90% of riders.
If a rider needs a Cute(any speed version) to do more than 24-25 mph reliably, then he needs to think about a larger motor.
The fact that the 260 in not Cassette capable is unfortunate, but it makes a frt. mount 260H attractive.
Note; Use MXUS FX07 as 201 motor on sim.
Allex said:In any case, any recommendations on where to get q100 motor laced in a rim, black is the preferred color.
majornelson said:Again, I'm a big fan of the Cute Q100. How do you request a 32 spoke hub vs. a 36 spoke? I've ordered all of my Q100's from greenbikekit... I *think* the standard is a 36 spoke hub but would prefer a 32 spoke hub for aesthetic reasons.
Lee
All of these motors will be slower with a load. Not sure why one would call out the 328 for doing 290rpm? All of these are going to run ~15% slower under load.
the 290 is a fictitious number, the 328 and 201 numbers above are actual measured numbers from actual Q100 motors.
http://www.bikeforums.net/electric-bikes/882856-small-geared-hub-motors-speeds-rpm-mph.htmlCute Q100 speeds from user testing:
No-load motor speed A@ 36V with a 26" rim
Q100 36V "201" = 230 rpm
Q100 36V "328" = 273 rpm
Q100 25V "201" = 290 rpm
The 6.4 RPM/V number probably came from the long defunct Ecity Power site, yet Russell measured 230 RPM @ 36 Volts. This points out a problem that D8veh has talked about, the many variables when riders test no-load motor speeds. He wrote;My "201 RPM" Cute Q100 spins at 6.4 RPM/V (no-load) or 230 RPM at a nominal 36V.
I wouldn't take too much notice of the different rpm that people measured. There's a lot of possible variables in the way they measured and there's possible interference from external factors, like binding brakes, new tight seals, etc. You can also get 10-20% boost speed from some controllers like the KU63 with the 3-speed switch.