60V E 300 Hub Motor Project Underway

Batteries, Chargers, and Battery Management Systems.
john61ct   100 GW

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Re: Quick but too quick!

Post by john61ct » Oct 20 2019 1:58pm

CAv3 is not a replacement controller.

It adds (lots of) functionality and fine adjustability to existing controllers, basically turns dumb limited ones into an intelligent one like Nucular.



detrailers   10 W

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Re: Quick but too quick!

Post by detrailers » Oct 20 2019 2:07pm

I see the little adjustment screw on the "pot"

Anyone chime in with where I can get one and what its called... I searched electrical pot but norhing
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60V E300 Hub Motor - LI Conversion

detrailers   10 W

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Re: Quick but too quick!

Post by detrailers » Oct 20 2019 2:30pm

Is a pot a potentiometer?

The other device the CAv - how much space does that take up?
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fechter   100 GW

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Re: Quick but too quick!

Post by fechter » Oct 20 2019 2:57pm

Yes, a pot is a potentiometer.

A CA looks like a big speedometer that mounts on the handlebars.
"One test is worth a thousand opinions"

john61ct   100 GW

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Re: Quick but too quick!

Post by john61ct » Oct 20 2019 3:09pm


detrailers wrote:The other device the CAv - how much space does that take up?
https://lmgtfy.com/?q=cav3+grin+specs&s=g



Image

detrailers   10 W

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Re: Quick but too quick!

Post by detrailers » Oct 20 2019 3:17pm

^^^Excellent thank you
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60V E300 Hub Motor - LI Conversion

detrailers   10 W

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Re: Quick but too quick!

Post by detrailers » Oct 20 2019 3:18pm

P.s. a little bit of trouble finding at 1k 10 turn pot so I got a 1k 15 turn one, I hope that's ok
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Dui, ni shuo de dui   1 kW

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Re: Quick but too quick!

Post by Dui, ni shuo de dui » Oct 20 2019 10:33pm

You can also check your wiring and see if your controller has a "smooth start" wire.
Some of them do, the purpose of it is to limit the power at startup so that it is less jumpy.
I can't see much in the picture you posted, it is way too small.

Also, before doing any mods, I suggest you to check your throttle. It's not entirely impossible that your throttle is defective. Not sure if your current one uses a hall sensor or a potentiometer, but if it is the latter than it sometimes happen that there are some dead zones on the pot resistance. Could be that, in your case, the dead zone is at the beginning, so the first few degrees of twist are not seen by your controller. It is very easy to check, either with a multimeter as suggested earlier, or just with any random potentiometer you can find around, or, even better, with an other throttle.
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detrailers   10 W

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Re: Quick but too quick!

Post by detrailers » Oct 20 2019 11:02pm

I changed the throttle today to a twist grip throttle and it's a little bit better. I also ordered a 1k pot to see if eliminating the dead spot helps a bit. It's actually ridable now but still a bit too sensitive off the line, I hope the pot mod will help that a bit more. Also, the new throttle has a blue wire which is for the key switch but it doesnt immobilize the scooter because Its not connected to the controller, any idea what wire I connect that to on the controller??
Dui, ni shuo de dui wrote:
Oct 20 2019 10:33pm
You can also check your wiring and see if your controller has a "smooth start" wire.
Some of them do, the purpose of it is to limit the power at startup so that it is less jumpy.
I can't see much in the picture you posted, it is way too small.

Also, before doing any mods, I suggest you to check your throttle. It's not entirely impossible that your throttle is defective. Not sure if your current one uses a hall sensor or a potentiometer, but if it is the latter than it sometimes happen that there are some dead zones on the pot resistance. Could be that, in your case, the dead zone is at the beginning, so the first few degrees of twist are not seen by your controller. It is very easy to check, either with a multimeter as suggested earlier, or just with any random potentiometer you can find around, or, even better, with an other throttle.
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fechter   100 GW

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Re: Quick but too quick!

Post by fechter » Oct 21 2019 2:09pm

detrailers wrote:
Oct 20 2019 3:18pm
P.s. a little bit of trouble finding at 1k 10 turn pot so I got a 1k 15 turn one, I hope that's ok
That should work great.
"One test is worth a thousand opinions"

detrailers   10 W

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E300 HUB MOTOR - LI CONVERSION - DONE!

Post by detrailers » Oct 22 2019 11:22am

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60V E300 Hub Motor - LI Conversion

detrailers   10 W

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Re: Quick but too quick!

Post by detrailers » Oct 23 2019 4:00pm

Ok, did the trimmer resistor on the black throttle line. Got rid of the dead spot but still a wicked hit when the throttle kicks in. I got another resistor, didnt I see something posted with a diagram showing another trimmer resistor on the other throttle wire.

Looking like I'm going to have to bite the bullet and shovel more money into this for a CAv3 But just making sure that I am exhausting all possible alternatives
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fechter   100 GW

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Re: Quick but too quick!

Post by fechter » Oct 23 2019 7:10pm

Too bad. It sounds like you need to slow the ramp up then. The diagram with the other trimmer adjusts the full throttle point so you have to turn the throttle all the way to get full speed. Does it seem like it reaches full speed at less than full throttle?
Once upon a time someone here made a little Arduino circuit that fixed the end points and ramp speed, but not around any more.
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detrailers   10 W

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Re: Quick but too quick!

Post by detrailers » Oct 23 2019 8:57pm

No it's good with that, good progressive throttle all thru the range.

From what I've read the CA can fix the ramp up...
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fechter   100 GW

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Re: Quick but too quick!

Post by fechter » Oct 23 2019 9:27pm

Yes, the CA allows adjustable ramp rate. Some controllers are programmable where you could fix it in software. Old school controllers will have a small capacitor somewhere on the board that controls it. But if you don't have the programming software or don't want to try messing with the controller circuit, then the CA is a fairly easy solution.
"One test is worth a thousand opinions"

john61ct   100 GW

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Re: Quick but too quick!

Post by john61ct » Oct 23 2019 10:42pm

fechter wrote:Yes, the CA allows adjustable ramp rate. Some controllers are programmable where you could fix it in software. Old school controllers will have a small capacitor somewhere on the board that controls it. But if you don't have the programming software or don't want to try messing with the controller circuit, then the CA is a fairly easy solution.
I'm confused. I was asking about CAv3 doing

ramp mapping / curve adjustment

and the response I got:

> There is no curve adjustment in the CA 

Are these different things? Please help me understand the terminology.

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fechter   100 GW

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Re: Quick but too quick!

Post by fechter » Oct 23 2019 11:23pm

john61ct wrote:
Oct 23 2019 10:42pm
ramp mapping / curve adjustment

and the response I got:

> There is no curve adjustment in the CA 

Are these different things? Please help me understand the terminology.
See the features and manual here:
https://www.ebikes.ca/product-info/cycle-analyst-3.html
"One test is worth a thousand opinions"

detrailers   10 W

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Re: E300 HUB MOTOR - LI CONVERSION - DONE!

Post by detrailers » Nov 21 2019 6:44pm

Speed tested it today...29 mph which is FLYING on an e300. It had more to go, I'm thinking 32,33 top speed

I've put the seat on it until I get the CA v3 on it because it's just has too much balls to try and ride it standing up.
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60V E300 Hub Motor - LI Conversion

Scottyc   1 µW

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Re: E300 HUB MOTOR - LI CONVERSION - DONE!

Post by Scottyc » Jan 12 2020 5:12am

Nice build!

Do you know what hub motor it is and wattage?



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detrailers   10 W

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Re: E300 HUB MOTOR - LI CONVERSION - DONE!

Post by detrailers » Jan 23 2020 4:30am

I dont sorry, it was an Ali Express buy and I cant find the link now...it was a package the motor, controller and throttle but the throttle was junk...
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60V E300 Hub Motor - LI Conversion

detrailers   10 W

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Razor E300 Hub Motor - 29mph

Post by detrailers » Apr 03 2020 10:55am

https://youtu.be/VcENXoyZhFE :shock:

I'm sure peeps have gone faster on their e300s but that was kinda my limit....I think if I had more road maybe 33 before a catastrophic failure lmao.
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detrailers   10 W

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Post by detrailers » Apr 17 2020 10:15am

....
Last edited by detrailers on Apr 18 2020 10:12pm, edited 1 time in total.
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999zip999   100 GW

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Re: 60V E 300 Hub Motor Project Underway

Post by 999zip999 » Apr 18 2020 10:08pm

Your daughter want the scooter back ? My boss has a plan to buy an electric bike for his wife knowing that she's never going to use it he's actually just buying it for himself as a birthday present to her.

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