Luc59457: Currie 36v Electric Bike Description & Fast No Load Test!

[exaturbo]

i like this setup a lot, though are those SLA batteries ?

you NEED to lose those as a power source ASAP.

go over to Lithium as soon as you can. the difference will amaze you.

cant wait till i can start on my next ebike build up.

[luc59457]

@exaturbo I had some with constant use last me around 2 years. They are only 150$ for 18Ah. If I can get Lithium iron phosphate at the same AH for around the same or cheaper I would look into it. I know the difference, I did research on them and looked at peoples experiences within forums. Lifep04's would improve performance on this and reduce weight.

[luc59457]

@exaturbo In the USA they are even cheaper. I seen as low as 32$ for 20AH, each.

[exaturbo]

@luc59457

i can understand the cost factor, but the SLA simply can not supply enough power for the motor to achieve it's full potential. the SLA batteries will suffer huge voltage drop under high current loads. even more than NiMh do.

my first battery was a 20AH NiMh. then i went to the LiFePo4 and it was amazing.

it was like i had a different motor on the bike. voltage drop was virtually non existent.

your ebike would be even better (much much better) with Lithium based power.

[luc59457]

@exaturbo I agree

[pyroman675]

holy. i thought that thing was going to take off for a second

[luc59457]

@pyroman675 This one is on the best ratio, but it spins around twice as fast on the first ratio (older videos)

[pyroman675]

@luc59457 sweet. so is it just like your pedaling first gear its torque and last its speed

[luc59457]

@pyroman675 Precisely but after 4th it won't speed up anymore unless downhill.

[pyroman675]

@luc59457 so your just using more energy for something that wont happen 

[luc59457]

@pyroman675 The bike comes standard 8 speed, I could adjust the shifter so it stops at 4th but I don't bother. A 4 speed cassette with proper derailer would be the best. I agree if I go 5 or more it would be using energy for what is not achievable. First gear has lots of torque though!

[pyroman675]

@luc59457 ya you are wasting energy on that.

[luc59457]

@pyroman675 That is only if I use those gears but obviously I wouldn't. I would need a big hill to make good use of them.

[BWilderedCrew]

Is stopping hard to do?

[luc59457]

No.

[tibiafinger]

8 gears,Impressive.

[jimprice09]

don t put your finger into the wheel

[nepriceputeanu2008]

how many mm of space do you have between the 80t and the 22t gear?5mm?10mm?

[luc59457]

I added it at the top of my video description.

[nepriceputeanu2008]

in the midle do you have a 22t and 65t gears?

do you think a 22t and 80t is better?i have a 800w motor and i will use the same trasmition

[luc59457]

It is an 80 tooth gear

[luc59457]

For an 800w version you will have to drop the ratio even more. perhaps 18t being the bike chainring on the freewheel. This also depends on your motors rpms.

[nepriceputeanu2008]

what tipe of batteries do you use?is it lead acid?

[luc59457]

Those are S.L.A's

[luc59457]

Also the L bracket that you see, is a great support for it along with the thick one above that connects to the shocks bolt. That is just a modified new bolt. very simple conversion.

[wtf000000000000]

thoese stuff i can get them from home depot elc..right??

also have u ever get caught by a cop since i know this is an illegal thing to do

i think using more than 500w motor and going beyond 32km/h could get your bike taken away u better ride it where there is no cops ^.^

[wtf000000000000]

also one thing i want to tell u is u can make this bike faster by connecting 36v stright to the motor without a controller

like make a switch that can flip from controller to motor / betteries to motor

so when u get to 50km/h u can switch it to without using the controller than u suddenly have a big boost of power to go faster than 70km/h

but i really have no idea if this is going to hurt the motor just one point i know to make your bike faster

do u understand what i am saying ?_?

[wtf000000000000]

because u know the controller takes away some of the power

[luc59457]

Yes, Someone has told me this many months ago. Controllers are fairly efficient. The downfall of innefficiencies, is the total distance mostly. Faster would take more volts and/or more amp Motor/controller/batteries. I make this as user friendly as possible and to reduce stress on the mechanical parts, I use a controller and would not recommend an e-bike with simply a switch. Every starter motor "I've seen" on e-bike uses a switch, no controller.

[luc59457]

Cops around here have more of a brain. I like on a road where people like to speed. I have drove by and even showed off my bikes to cops. Not only in this area. Cops dismiss this usually. They have better things to do. Don't make it look like you are doing something wrong. Good ones consider this. They would rather spend there time on things more worth it for lives. The Mounting parts I got them all from C.T.

[luc59457]

sorry I meant, I live on a road....

[luc59457]

Since you live in Canada too I hope you realize taxes apply, etc... All the things I stated in the video description other video

[wtf000000000000]

cool i am interested to see more video form u

but make one that someone is holding the camera for u so i can see how fast

but i believe your is about 60-70km/h top

kk the pin u are talking about is just dumpshit my friend had the same problem on his 49cc pocketbike now his bike is not runable ,pin worn out and the engine is just spining but not the chain

anyway nice electric bike have fun later on when it het warmer and dry outside

u should make another one for your friend to ride with u

[luc59457]

A second one is in progress

[wtf000000000000]

don't mind me for posting too much comment because i really want to see this thing running good and from u i can make a first homemade electric bike

[wtf000000000000]

u are from CA ON??i am too

[luc59457]

Yes, It's on my profile

[wtf000000000000]

haha i am like youtube chatting with u cool first time

[wtf000000000000]

do u but stuff from US site or CA site??shipping cost???for motor

[wtf000000000000]

overall is it a pain to make one

let say i am pretty good at building stuff will this project take more than 50 hours??

[luc59457]

If you have someone else with you, it would take around 25hours.

[luc59457]

When I say 25 hours, that means given you are completely informed beforehand, and you have experience with power tools unless you go to a machinist shop. Their are good ones like Marc Marine, in Gatineau

[luc59457]

It went 69km/h (most people see 65km which is shown clearly) Youtube quality is reduced for everyone. You can see a warning stop sign go by pretty fast. I am tempted to go downhill also because 6, 7, and 8th gear are pretty much useless to achieve higher than 70k speeds but 69k is satisfying enough for me. It has good range without pedalling and for what its worth, thats why I went cheap. People like good, and cheap stuff =)

[wavezz2k]

Luc, I'd like to get more info on front pedal freewheel. Nice videos. Have Currie motor and LIFEPO & controls, want to build bike like yours. pls email me.. wavezz2k (at) yahoo (dot) com

[luc59457]

No problem, you are welcome! If you have any questions, feel free to ask

[wtf000000000000]

how much was the currie motor like $150

[wtf000000000000]

will this project cost no more than $1000?? if it is i am going to make one too , but i don't have an idea to make that pedel u have ~_~

[luc59457]

It is 109$ at monsterscooterparts

[wtf000000000000]

did any part fail so far

[luc59457]

I have contacted Currie on the matter.

[wtf000000000000]

Currie motor is really cheap and good for its price don't u think

like is way better than a wheel hub and cheaper too $110 for this motor is just gold way to go ,,picked the right motor

[luc59457]

It was a lucky guess. All because I've spent so much time comparing costs. 36v at 100amps peak is perfect on gears 2600rpms.(18AH batteries) (A123's, really still cheap total) But I still recommend 20AH, 38$ Ea. Pretty torque with it on gears. A hub motor can be placed in the same location, but your looking at further costs and mounting complications. you can easily put a couple metal straps which is not what I recommend. For motor mounts, the more solid and thick, the better.

[duck4035]

Great bike lads great idea and thanks for the vids on how to make one.

[mightybigjim66]

looks great where can i get mine and how much // how far will it go on a full charge? thnx