eZip 750 overvolting 24V->36V?

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eZip 750 overvolting 24V->36V?

Postby BlueberryJam » Fri Jun 01, 2012 10:55 pm

I have this:
http://www.amazon.com/Currie-Technologi ... 004HL01S4/

The max speed is 14-15 mph with me on it (according to my phone's GPS). I would like to go faster, but not spend too much money to do so, so would like to overvolt to 36V (as opposed to 48V, where I'd have to replace the motor and throttle (I've read that 24V->36V = don't need to replace the 24V motor)).

Please confirm my choices.

I need a 36V controller (the controller on my scooter specifically says "24V" and is a 5-pin):
http://tncscooters.com/index.php?route= ... uct_id=177

I need 36V battery set:
http://www.monsterscooterparts.com/schw ... -pack.html

As the battery set will not fit inside the 24V enclosure, I would need to cut the connection between the 2-pack, and extend the wires to wherever I decide to put the 3rd battery.

I need a 36V charger:
http://tncscooters.com/index.php?route= ... duct_id=68

Is that it? So just unplug the old controller, plug the new one in, plug the 36V battery set (with extended 3rd battery), and it's good?

How much faster would it go? If it's only couple MPH faster, I don't think it'd be worth the ~$170 it'll cost to upgrade this.

Thank you in advance =D
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Re: eZip 750 overvolting 24V->36V?

Postby sk8norcal » Sat Jun 02, 2012 8:06 pm

do u usually stand or sit on that scooter?
how does it ride standing?
i want to get that model for standing only,
that platform would need to be wider...

for 24v > 36v
seems like ur on the right track,
but sla is just so damn heavy..

regarding the throttles,
isn't all these throttle 5v?
and shouldn't the throttle work on all 24v/36v/48v controller??
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Re: eZip 750 overvolting 24V->36V?

Postby BlueberryJam » Sat Jun 02, 2012 8:12 pm

sk8norcal wrote:do u usually stand or sit on that scooter?
how does it ride standing?
i want to get that model for standing only,
that platform would need to be wider...


I use this for commuting, so I sit. I tend to stand when I want to actually enjoy the ride, though. The seat = optional, and you can not install it if you so desire.

sk8norcal wrote:for 24v > 36v
seems like ur on the right track,
but sla is just so damn heavy..

regarding the throttles,
isn't all these throttle 5v?
and shouldn't the throttle work on all 24v/36v/48v controller??


I have no idea, I read on forums that you should replace the throttle if you want to go 48V. I guess it's more for safety reasons? >.>


As an update, any idea on how much faster it'll travel?
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Re: eZip 750 overvolting 24V->36V?

Postby dumbass » Sat Jun 02, 2012 8:48 pm

TRhe only difference in the throttles is the isiot lights. If you want to use the 24v throttle just be sure not to connect the light plug to the controller. It will work fine but not indicate the remaining voltage in your pack. IF you want that capability then you will need to replace the throttle.

Running a 24v Currie motor on 36v is pushing it so I would not use full throttle until you are up and running. Heat is your biggest problem.

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Re: eZip 750 overvolting 24V->36V?

Postby BlueberryJam » Sat Jun 02, 2012 9:31 pm

dumbass wrote:TRhe only difference in the throttles is the isiot lights. If you want to use the 24v throttle just be sure not to connect the light plug to the controller. It will work fine but not indicate the remaining voltage in your pack. IF you want that capability then you will need to replace the throttle.


I see. Thank you.

dumbass wrote:Running a 24v Currie motor on 36v is pushing it so I would not use full throttle until you are up and running. Heat is your biggest problem


What do you mean "up and running"? I intend to go full speed for most of my commute (of 2.5 miles each way), and it is relatively flat ground, with one traffic light (no stop signs), so it shouldn't be an issue stressing the motor, right? >.>


Also, I'm sorry to repeat, but how much faster would this be? I really feel like a slowpoke going at ~15mph; hell bicyclists go faster than me >.>.
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Re: eZip 750 overvolting 24V->36V?

Postby sk8norcal » Sat Jun 02, 2012 9:36 pm

Bob, thx for the info on the throttle

BlueberryJam wrote:As an update, any idea on how much faster it'll travel?


guessing, maybe 3-4 mph faster,
i haven't overvolt one of these smaller motors,
but i do have a 24v and 36v scooter,
the 36v have very good torque, but its got a big 800w motor
not sure if there is performance difference between the bigger and smaller motor other than the big motor can take more heat.

one thing I like about my 24v scooter is its linear throttle response,
my 36v have a touchy throttle which i dislike, annoying if you have to ride slowly around pedestrians on sidewalks, not sure if this could be solved with a better controller.

BlueberryJam wrote:What do you mean "up and running"? I intend to go full speed for most of my commute (of 2.5 miles each way), and it is relatively flat ground, with one traffic light (no stop signs), so it shouldn't be an issue stressing the motor, right? >.>


he means don't do a full throttle fast start from stop, ease into it.
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Re: eZip 750 overvolting 24V->36V?

Postby BlueberryJam » Sat Jun 02, 2012 9:44 pm

sk8norcal wrote:guessing, maybe 3-4 mph faster,
i haven't overvolt one of these smaller motors,
but i do have a 24v and 36v scooter,
the 36v have very good torque, but its got a big 800w motor
not sure if there is performance difference between the bigger and smaller motor other than the big motor can take more heat.


I see alright. Yea, was wondering since the eZip 1000 is a 36V, but travels the same speed. I guess it's because it's 1000W as opposed to 750W, so more torque, less speed?

sk8norcal wrote:he means don't do a full throttle fast start from stop, ease into it.


Gotcha; thank you for clarifying.
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Re: eZip 750 overvolting 24V->36V?

Postby sk8norcal » Sat Jun 02, 2012 9:54 pm

BlueberryJam wrote:
I see alright. Yea, was wondering since the eZip 1000 is a 36V, but travels the same speed. I guess it's because it's 1000W as opposed to 750W, so more torque, less speed?


I know that on Ezip's site, they "claim" both ezip 750 and 1000 have the same top speed. :?:

not sure if that's true, or they limit the top speed, or they have different max amp controller.

because more volts should equal more speed.

(btw, i am no expert, so take it with a grain of salt :D
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Re: eZip 750 overvolting 24V->36V?

Postby dumbass » Sun Jun 03, 2012 5:51 pm

BlueberryJam wrote:
dumbass wrote:TRhe only difference in the throttles is the isiot lights. If you want to use the 24v throttle just be sure not to connect the light plug to the controller. It will work fine but not indicate the remaining voltage in your pack. IF you want that capability then you will need to replace the throttle.


I see. Thank you.

dumbass wrote:Running a 24v Currie motor on 36v is pushing it so I would not use full throttle until you are up and running. Heat is your biggest problem


What do you mean "up and running"? I intend to go full speed for most of my commute (of 2.5 miles each way), and it is relatively flat ground, with one traffic light (no stop signs), so it shouldn't be an issue stressing the motor, right? >.>


Also, I'm sorry to repeat, but how much faster would this be? I really feel like a slowpoke going at ~15mph; hell bicyclists go faster than me >.>.



Up and running meaning don't use full throttle at startup. Start the bike by peddling and with the motor and not full throttle. REmember as long as you don't exceed say 3/4 throttle it's the same as running at 24v. So after you get up and running (moving at a good speed) then start adding more throttle. The idea is to not load the motor anymore then you have to. As I said HEAT is what you want to avoid.

Bob

PS....I forgot...adding 33% more voltage will not add 33% more speed. If you getting 15mph now likely 18 to 20mph maxed. Keep in mind when you look for a new controller that it's not just voltage but amps too. Your 24v controller maybe 35a (840w) so do your math to be sure the amperage is what your increasing. The problem is also going to be your batteries capasity. IF the pack can't provide the amperage output the controller, throttle or motor can't do it ether.
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Re: eZip 750 overvolting 24V->36V?

Postby sk8norcal » Mon Jun 04, 2012 11:29 am

dumbass wrote:Start the bike by peddling and with the motor and not full throttle. REmember as long as you don't exceed say 3/4 throttle it's the same as running at 24v.


FYI, this is a sit down scooter, no peddling...

http://www.monsterscooterparts.com/escpa.html
both 24v/36v controllers selling here are 30A
I do see a 700w vs 900w motor for 24v..... (not sure its worth it though...)
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