Planning a Vespa conversion

vdubjim · Jan 16, 2020

Ive been reading here for a few weeks gathering info. I didnt see too much that was all inclusive about what i want to do.
I saw the 2 other vespa conversion, seems bunch of info left out.

Goals/Needs
-10" hub motor (space reasons)
-45mph top speed continuous (min)
-40-50 realistic mile range (min)

seems easiest planning is copy another. i found this bike and if specs are legit seems the way to go?
https://www.electrichunter.com/two-wheelers/nito-nes-10-90-km-h-electric-scooter

Thinking QS 10"
https://www.aliexpress.com/item/32808777179.html?spm=2114.12010612.8148356.25.1ee91544QdnVWQ
or
https://www.aliexpress.com/item/32809154938.html?spm=2114.12010612.8148356.6.1ee91544Eq9FSQ

Battery 72v - 30AH
Recommendation on decent brand? Dont really want to make one this large myself, i see interesting cells on batteryhookup.

eee291 · Jan 17, 2020

Welcome to the ES forum!

I've got a scooter that does 44Mph and goes about 25 miles on one charge, battery is a 72V 30Ah Lg Chem.
I recommend 45Ah or more.
You can't go wrong with a QS motor, capable of much more than what it's rated at.
Good luck with your build.

My scooter

vdubjim · Jan 17, 2020

Thank you.

vdubjim · Jan 17, 2020

Guess Kelly controller really isint in Texas? I figured I would ask a shop my questions, def not the answers I was looking for lol.
......

The 10" motor has 1-2KW version.
Which motor are you using?
You want to do 72km/h.
https://kellycontroller.com/shop/brushless-hub-motor-10in/
You can use 72V 6KW 10" hub motor.
You may use our KLS7245H controller for the motor.
https://kellycontroller.com/shop/kls-h/

As of the batteries,you may ask for the help from the batteries supplier.
Please provide the controller specification for them.

Thanks,
Fany

eee291 · Jan 18, 2020

No, they are a Chinese company, asking them for advice isn't really recommended.
You'll have more luck with QS motors at least.

Here is what I've got in my scooter:
https://www.aliexpress.com/item/32811714825.html?spm=a2g0o.detail.1000013.1.2c791be4rchuXo&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.146401.0&scm_id=1007.13339.146401.0&scm-url=1007.13339.146401.0&pvid=02190dc5-a310-476a-97f5-0819d97afb67
It does need a fan to cool it though since it is hidden near the battery.

https://www.aliexpress.com/item/32809154938.html?spm=2114.12010612.8148356.6.1ee91544Eq9FSQ

Battery... make one or get one made :wink:

vdubjim · Jan 18, 2020

eee291 said:
No, they are a Chinese company, asking them for advice isn't really recommended.
You'll have more luck with QS motors at least.

Here is what I've got in my scooter:
https://www.aliexpress.com/item/32811714825.html?spm=a2g0o.detail.1000013.1.2c791be4rchuXo&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.146401.0&scm_id=1007.13339.146401.0&scm-url=1007.13339.146401.0&pvid=02190dc5-a310-476a-97f5-0819d97afb67
It does need a fan to cool it though since it is hidden near the battery.

https://www.aliexpress.com/item/32809154938.html?spm=2114.12010612.8148356.6.1ee91544Eq9FSQ

Battery... make one or get one made :wink:

You have this QS motor? How big is your scooter and speed etc?

eee291 · Jan 18, 2020

Just read my first post, all the info is there.

vdubjim · Jan 18, 2020

Hahaha, sorry didn't realize you posted that too

mistercrash · Jan 18, 2020

Contact QS Motors and explain your requirements and they will recommend a good match between motor and controller for your project. I had a good experience with them when I did my scoot.

vdubjim · Jan 19, 2020

QS....

10inch 4000W Hub Motor 55H V3 Type: USD279
Kelly Controller KLS7245N: USD250
Twist throttle: USD4
Disc brake kits: USD25
72v battery

mistercrash · Jan 19, 2020

Battery, Nissan Leaf modules?

vdubjim · Jan 19, 2020

That's a good idea.
https://batteryhookup.com/products/nissan-leaf-battery-module-gen-1?_pos=2&_sid=d72b6b870&_ss=r

Wonder how much a bms and charger would be.

mistercrash · Jan 19, 2020

I have not shopped for these modules in a long while but this is by far the lowest price I have seen.

vdubjim · Jan 20, 2020

QS says $169 shipping via FedEx.

vdubjim · Jan 20, 2020

Saw the giant machined swing arm on here, I'll prob opt for something like this I found on Google images

vdubjim · Jan 24, 2020

Very hard yo find a reasonable bolt on solution for leaf bms, and not too much on using standard bms.

Anyone know?

vdubjim · Jan 26, 2020

Found this post. Some good info if I can wade through the randomness.

https://endless-sphere.com/forums/viewtopic.php?f=10&t=85164

mistercrash · Jan 26, 2020

I had the same problem trying to find a suitable BMS for my scooter a few years ago. So I made this, not a BMS but more of a LVA/HVA. Low voltage and high voltage alarm using 4 Cellogs 8M. It's been working for me.

vdubjim · Jan 26, 2020

mistercrash said:
I had the same problem trying to find a suitable BMS for my scooter a few years ago. So I made this, not a BMS but more of a LVA/HVA. Low voltage and high voltage alarm using 4 Cellogs 8M. It's been working for me.

That looks cool!
What cells?

vdubjim · Jan 26, 2020

Walking around the garage forgot I have a test battery or 6, lol.

mistercrash · Jan 28, 2020

vdubjim said:
mistercrash said:

I had the same problem trying to find a suitable BMS for my scooter a few years ago. So I made this, not a BMS but more of a LVA/HVA. Low voltage and high voltage alarm using 4 Cellogs 8M. It's been working for me.

Click to expand...

That looks cool!
What cells?

10 Leaf modules

vdubjim · Feb 3, 2020

Reading other posts, appears I need a contactor.

This one up to the task?

https://kellycontroller.com/shop/kzj-200a/

vdubjim · Feb 16, 2020

Playing with a Honda swingarm. Why build if I can mod a bit?

HiRes · Feb 23, 2020

Vdubjim, I have completed a 1961 Vespa VBB project with a 52v 28.5 Ah battery from Luna cycle and a 3Kw QS motor. It has a top speed of 54Kph, or 32mph, and I've been riding it for a little over a year. You can read about my project at Modern Vespa (I'm not sure the Vespa community is ready to embrace an electric Vespa, but...) : http://modernvespa.com/forum/topic163759. I'd post more pictures if I could figure out how.

Although this scooter performs exactly as I intended, I am currently in pursuit of more speed. So I am rebuilding this machine with a 72v 24.5Ah battery from Em3ev, and a 4kw QS motor. This rebuild will require moving some components around and I think it will take me another month or two to finish. I will report my test results when I get it finished.

Lastly, since I've done it, I might be able to offer some insights for your project. I've learned so much from this forum, and I'd like to help others. Let me know how I can help you with your project.

vdubjim · Mar 2, 2020

HiRes said:
Lastly, since I've done it, I might be able to offer some insights for your project. I've learned so much from this forum, and I'd like to help others. Let me know how I can help you with your project.

I'll check it out, thanks.

Planning a Vespa conversion

100 mW

100 kW

100 mW

100 mW

100 kW

100 mW

100 kW

100 mW

10 kW

100 mW

10 kW

100 mW

10 kW

100 mW

100 mW

100 mW

100 mW

10 kW

Attachments

100 mW

100 mW

10 kW

100 mW

100 mW

1 µW

100 mW

Similar threads