Electric motors like to work at high rpms so better go back the the 12 teeth sprocket, will be more efficient, will limit the current peaks, you will have more available torque, and will have more range.
If acceleration is too high then change the PID control values to reduce it.
A normal current meter will not give you the peak current values, that trust me they can be extremely high.
The current limits are in order to protect the battery, motor, and controller.
By experience, better put them right, else something will damage, in short or long term.
Something that you have to take in account as well is that the battery BMS has an over-current protection as well, and it can be triggering up as well.
Gonzo, thanks for the ideas.
1st, I think I will go back to the 12 tooth front sprocket, and reduce the PID?? I think they are the Ki and Kp settings.
2nd, I am trying to get a current recording system set up. I have a Hall sensor that gives 4V for 400A, and put this to a recording Volt meter, so I can chart the current. I have a friend I ride with a lot who has 3 Alta's. So that is my benchmark I am trying to achieve. I have the same battery capacity, controller and motor to get 50HP as the Alta. It uses higher voltage and lower current, higher RPM, different ratios, but it is still 50HP. The Kelly just doesn't give the smooth power band that the Alta has, yet. I am a little frustrated that it is not performing. The feel at the handlebar is that I don't get over 270Amps of power. With my 3 packs, I can get 190A, (1 pack), 270A, 2 packs and it should be about 380A), and 270A , ( 3 packs and it should be about 570A). And at the handlebars, on asphalt, 1 pack is a little slower, 2 packs is a bit more, and 3 packs is the same as 2 packs.
3rd, I have a BMS on all three packs, but it is only used for charging, so it is not dropping the power off, and all three packs would have to do that at the same time.
The cut out I get is under max throttle, it just stops for a few seconds and back on. No power Off/On, or throttle Off/on. But it is not a good thing going up a jump face... I can reduce it to almost zero by setting the "Current Percentage" in the Controller to 80%, but power is down. I will try the Ki and Kp ( but those really brought the power up)
One of my cut outs I had was Hall Sensor Error, and the power would have to be powered on off , quickly, and it worked ok again. This would post an error if I stopped and hooked up thru the bluetooth and look at it. Power off/ on and the error went away, not stored for future troubleshooting. Then I have a Regen braking switch on the clutch side. This is a Ebike brake switch only to enable Regen, set at 10% at "BRK_SW Brk per%" ( in the controller pictures earlier in the Blog). I think I have raised it to 20 or 30% now, but I noticed in riding in the Desert if that handle hit a bush, it would kill the throttle, and would only come back if I returned the throttle to off and back on, no need to power Off/On
Thanks for the ideas, and I will try them, and report back.
Don ( I am Maico4 on the Endless-Sphere forum. I should have used the same name on all forums. It is DonCox on the Alta Owners Forum)