new eZip motor

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latecurtis   1 GW

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Re: new eZip motor

Post by latecurtis » Oct 01 2019 11:43pm

As the Hub Motor Turns and the LiPo Fire Burns.

I have not been riding my e bike lately as I have no rear brake as I removed the rotar as it was too large in diameter for the axle to fit all the way in to the drop outs. When I changed the rear tire and tube a month ago the wheel fell off upon take off but not all the way off as I had the torque arm on.

I got help putting it back on by a nice lady security guard there and made it home. A few days after I removed the rotar so that the axle would fit all the way in the drop out.

Today I walked to Wall=Mart a few hours ago and got a small tape measure that has a key chain attached. I refused to buy a standard 25 foot tape measure as I have about three in storage with my tools so spent less than 2 bucks for a small 10 foot tape measure,

The rotar is 6 - 5/8 inches which converts to 68.275 mm. I looked up the different sizes and see

Answer: Mountain bikers have a dizzying array of options to choose from, including three wheel sizes and up to five diameters of disc brake rotors. SRAM's HS1 disc brake rotors are available in five diameters: 140,160,170,180, and 200mm.Apr 16, 2013.

Basically 8.25 millimeters is slightly more than 3/8 of an inch or 0.3257874.

That is not a lot of difference but am thinking maybe enough to work as long as the 160 mm rotar is exactly 160 mm or slightly less. They do not make a 150 mm and a 140 mm would most likely be too small. I think that 1/3 of an inch will be enough from what I saw when I looked at the drop outs.

I will be calling around the local bike shops and am hoping I can find one in stock. The rear wheel is 26" and the bike came with 27.5" wheels but e bikeling don't make a hub motor that size. I got lucky and rode the bike about 1,000 miles the way it was but I had my friend Doug build the bike in NY and he is a bike expert.

Either way with a hub motor the axle needs to be all the way in the drop outs. I will need a new muffler clamp I can get at Auto Zone for the torque arm. Thanks.

LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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Re: new eZip motor

Post by AngryBob » Oct 02 2019 2:28pm

Curtis - Hub motors do not come in wheel sizes, they are HUBS. Rims come in wheel sizes, and spokes are made to fit between rim and hub. Ebikeling simply does not offer the service to build a motor into a 27.5" wheel.

Take apart existing wheel, get spokes made to order to fit rim to motor, build a new wheel.

Minimal cost, and shipping a bare motor is less than shipping a motor built into a wheel. Spoke set should be around $30-$50, or less, to your door.

Building the wheel is a somewhat tedious and time-consuming task, hour or two, but would give you a new skill, teach some patience, and solve your current problem.

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Re: new eZip motor

Post by wturber » Oct 02 2019 3:23pm

AngryBob wrote:
Oct 02 2019 2:28pm

Building the wheel is a somewhat tedious and time-consuming task, hour or two, but would give you a new skill, teach some patience, and solve your current problem.
Maybe I'm missing something, but I see no need to rebuild the wheel. The problem is that his disc rotor interferes with his calipers. The problem is rotor size, not wheel size. My best guess is that the bike may require a 140 mm disc but he has a 160 mm fitted. It is hard to say for sure without looking at the bike. I think a 140 mm rear disc would be fine since the rear brake does significantly less braking than the front brake and I don't think he rides at high speeds. That said, there could be some other issue that is causing the rotor interference.

If he wants to keep the 160mm disc, then he could perhaps use an adapter such as one of these. I changed my rear to 180mm in order to get better clearance between the caliper and the hub motor.
https://www.amazon.com/Juscycling-Brake ... E4YC3BG3YN

Though frankly, I'd feel better if he had someone with a fair bit of expertise look at what is going on. I feel like he may be missing something here since having a 140mm disc on the back seems odd.
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latecurtis   1 GW

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Re: new eZip motor

Post by latecurtis » Oct 02 2019 3:48pm

Maybe I'm missing something, but I see no need to rebuild the wheel. The problem is that his disc rotor interferes with his calipers. The problem is rotor size, not wheel size.
That is correct. I just called a bike shop that has 160 mm rotors in stock for 20 bucks. I just need to bring my 168.25 mm rotor to compare sizes to make sure.

Building the wheel is a somewhat tedious and time-consuming task, hour or two, but would give you a new skill, teach some patience, and solve your current problem.
However Angry bob has a point but just not for this hub motor as the rim is still perfect and straight. However I can't say the same thing for the 26' - 1,000 watt direct drive front hub motor I have in storage in NY. The wheel kit I got from Sunder back when I started this post about 5 years ago. I hit a bad section of road about 4 years back and broke a spoke and replaced it but the rim has a high spot and is very noticeable when riding it.

I need to take the wheel to a shop and see if it is possible to fix and if not I will definatlly need to learn that new skill. I have 6 e bikes total but only one here in Ohio. My other bikes are in a storage unit in upstate NY over 500 miles away. I also have a 20' direct drive hub motor and that is also making a noise and needs to be checked.

I have several 26" bikes in storage as well as 20" BMX style bikes. I have four hub motors total. The one here that needs a slightly smaller rotor and in storage is a second 500 watt 700c - e bikling motor in perfect condition. A 20' - 800 watt front direct drive and the 1,000 watt 26" direct drive that may need a whole new rim. Thanks for posting and good to hear from all of you. Also welcome to my post Angry Bob.

LC out.
Last edited by latecurtis on Oct 02 2019 4:03pm, edited 2 times in total.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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wturber   10 MW

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Re: new eZip motor

Post by wturber » Oct 02 2019 3:57pm

latecurtis wrote:
Oct 02 2019 3:48pm
Maybe I'm missing something, but I see no need to rebuild the wheel. The problem is that his disc rotor interferes with his calipers. The problem is rotor size, not wheel size.
That is correct. I just called a bike shop that has 160 mm rotors in stock for 20 bucks. I just need to bring my 168.25 mm rotor to compare sizes to make sure.
Look closely at your rotor and you may see a size stamped or etched on it. Check both sides.
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latecurtis   1 GW

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Re: new eZip motor

Post by latecurtis » Oct 02 2019 7:09pm

Nothing but is 168.25 mm. If I get a 160 mm It should work. I located one at a bike shop for 20 bucks. I just need to go there tomorrow and pick it up.

Thanks.


LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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wturber   10 MW

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Re: new eZip motor

Post by wturber » Oct 02 2019 11:15pm

latecurtis wrote:
Oct 02 2019 7:09pm
Nothing but is 168.25 mm. If I get a 160 mm It should work. I located one at a bike shop for 20 bucks. I just need to go there tomorrow and pick it up.

Thanks.


LC out.
I just measured one of my old Shimano 160 mm discs and it is very close to exactly 160 mm. So there's something very odd about that rotor you have.
"Commuter - DC Booster"
Iron Horse 3.0 hardtail - 48V / 1000W / 470rpm generic Chinese DD Hub motor (ebay)
8 x 36v 4.3ah 10s 2P battery packs - 1500W 30A DC Boost Converter delivers 54v and about 1000 watts peak
53T/42T Sakae Road cranks - 30mph+ on flats
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wturber   10 MW

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Re: new eZip motor

Post by wturber » Oct 02 2019 11:25pm

You might want to double-check your measurement and make sure it isn't 6 5/16" as opposed to 6 5/8". Better yet, use a ruler with metric measurements.
"Commuter - DC Booster"
Iron Horse 3.0 hardtail - 48V / 1000W / 470rpm generic Chinese DD Hub motor (ebay)
8 x 36v 4.3ah 10s 2P battery packs - 1500W 30A DC Boost Converter delivers 54v and about 1000 watts peak
53T/42T Sakae Road cranks - 30mph+ on flats
viewtopic.php?f=2&t=90369

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Re: new eZip motor

Post by AngryBob » Oct 03 2019 7:02am

"Though frankly, I'd feel better if he had someone with a fair bit of expertise look at what is going on. I feel like he may be missing something here" .

Having followed this thread from day one, the above is the understatement of the millenium.

Curtis - take the ENTIRE BIKE to the bike shop, have them look at it, and determine exactly what you need to solve your problem. At least take multiple pictures.

This entire thread has been an unending saga of you determining what you "need", wasting your very limited funds on the wrong parts, than spending much time and effort kluging something together that is barely functional. When, almost every time, all that effort and wasted cash would have been saved, simply by verifying that the desired part is in fact, the correct part.

Now, you have managed to achieve limited function, with 2 x 4's and gigantic spoke mounted gears and funky controllers, but you would have saved a lot of money, and a lot of work, and had a dependable, workable transport machine much easier if you had just taken the time to have someone who knows what they are doing look at your current crazy-ass idea.

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Re: new eZip motor

Post by latecurtis » Oct 03 2019 5:49pm

As the Hub Motor Turns and the LiPo Fire Burns.
This entire thread has been an unending saga of you determining what you "need", wasting your very limited funds on the wrong parts, than spending much time and effort kluging something together that is barely functional. When, almost every time, all that effort and wasted cash would have been saved, simply by verifying that the desired part is in fact, the correct part.
Yes and I miss the hell out of it also. Good news is I might have a ride back to NY to get some or all of my stuff in storage this week end. I am holding off on the 20 buck rotor as will need about 200 for gas unfortunately to haul my stuff here.

I probably have a smaller rotor sitting in storage. I have the Currie and Easy street to ride anyway and both are in good running condition. I will be working on one or two of my 20" e bikes and probably next month getting the rim fixed or replaced that has the 1,000 watt direct drive. :P I will keep you all posted as to when I will have my e bike workshop up and running again. Thanks.

LC out.

The e bike workshop and my crazy videos were fun as hell. I would not go back and change much. I would definitely NOT have wasted so much money on SLAs. That is one thing I would change. Jumping straight to 18650 packs would have saved a lot of weight and time mounting such heavy batteries to the frame.

In fact I put the original Currie rack on the back of the Haro V3 I got in storage. This time though I will do it a little different by choosing a 1,800 watt brush less motor a 60V - 2,500W to 3,000W brushless controller and a large home built 16S Lion pack. :D
40 mph respectively.

https://www.ebay.com/itm/1800W-48V-Brus ... SwjxddEz~u

Notice the RPM rating. It is only 3,300. Most of the silver 1,800 watt motors are 4,500 RPM. Thanks to this forum I learned gearing.
The importance of it. I also learned that those spoke kits are not that good because they warp the wheel.

The best cheap alternative to spending 120 bucks for a new Currie rear wheel like I did when I rebuilt the Currie a couple years ago is a sprocket that bolts to where a disk brake rotor goes. You can still run disk on the front and a decent pair of U or V brakes for the back.

Also I ran the cheap #25 chain for about two years and raced it and had no problems at all until I was stupid enough to remove it and try to put the 1,000 watt Unite motor on a 20" kids bike and broke the motor. Yes that was a really big F up. :oops: I would change that for sure.

Hair brain ideas though is what I live for. It tends to make my day interesting. I may have wasted a bit of money but am a smarter builder for have learned a thing or two. Also I give good advice and when asked about any e bike I tell people that a hub motor kit is the best option. I mention e bikeling as did business with them twice and overall satisfied with their product for the money.

I do not promote crazy chain drive designs. Especially to folk who have never owned an e bike and are interested in acquiring one. You guys taught me that. I explain the difference and experiment as it makes me happy. Chain drive electric bikes however can work and for those folk who hooked up chainsaw motors and other gas motors and built mini bikes they could teach me a thing or two so do speak freely about all motor drive options. Thanks.

LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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latecurtis   1 GW

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Re: new eZip motor

Post by latecurtis » Oct 05 2019 11:22pm

You think you are going to generate enough electricity from solar panels, to run electric space heaters?

No.
Forget Solar!
Insulate your ceiling.
Apartments below you will provide great heat!

https://www.walmart.com/ip/Optimus-Elec ... JgQAvD_BwE
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Yes it is a little guy. 300 watts total but infra red heat. I only need a little extra heat by my sleeping area and do not need to run it 24 hours a day except for those cold winter days when the temperature goes down to below zero or single digits.

My wife is 76 years old and had phenomena about a year ago. The place has a furnace but is on the other end of the apartment from where we sleep and the landlord forbids any type of space heater and is grounds for eviction as all utilities are included here.

Moving the bed is not an option either as there is not enough room anywhere else in this small studio. It is set up as best as it can be. There is a window with a platform and wooden ladder going down to the second floor roof a few feet from the head of the bed to mount the panels so that is not an issue.

I did the math and is about 25 bucks to run if run 24 * 7 but this landlord is stubborn and know he wont go for it. Also I am interested in solar power and would like to invest in it as a new hobby but can only afford about 100 to 200 each month and DIY. No companies.

When I move from here to a bigger apartment I want a larger solar operation that is capable of powering this for 12 hours a day.
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I am not looking to power an entire house and may never be that ambitious however would like to be able to run a computer or maybe plug in a coffee pot for the wife if the power were to go out and of course charge my e bike batteries so this solar energey thing is e bike related also. Thanks and please let me know. For now am just looking to get started.

LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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DrkAngel   100 GW

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Re: new eZip motor

Post by DrkAngel » Oct 06 2019 2:52am

Solar power for heat is problematic at best!

You would get more heat letting Sun shine in through window than putting solar panel there. Of course you want the extra heat during the night ... when there is no Sunlight = no solar power.

Might cost you $1500 ( 10 x 100w 2 x 4' solar panels) to create 1 kW ... plus maybe $300 per kWh storage, for battery.

I just installed 2 x 100w solar panels in greenhouse to power fans and irrigation pump (during day), with 100Ah SLA for LED lighting.
Solar heating is being utilized!, but not wastefully through electric storage, 250gal rain storage tank is painted black to store Sun's heat and raised beds are cement blocks which absorb Sun's heat during day and release at night.
See - Raised Bed Gardening - Cement Blocks > Greenhouse
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latecurtis   1 GW

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Re: new eZip motor

Post by latecurtis » Oct 06 2019 10:30pm

That is awesome. I googled how long a 100 Ah SLA will power a 300 watt heater and came up with only 3 hours. It would take 4 to go 12 hours and with the limited life span of SLA and the expense of quality 18650 cells I realize that I need to wait 5 to 10 years for better battery technology.

I was thinking on my trip earlier today and for a battery to power a 1,500 pound vehicle 500 miles on a charge to be practical would need to be a dollar a mile or less as 500 bucks is a great deal of money for someone like me on a limited income.

These three wheel drive hybrid motorcycle / cars are popular here in Ohio. My Fx - 75 -5 motor should be able to roll something like that 60+ mph or highway speed. Battery is my weakness.

I was told by my doctor about 3 weeks ago regarding blood work done about a month ago that I might have type 2 diabetes. Also my cholesterol is thru the roof and trans fat high also. All those vegetables in that green house looks great. I refused to take a cholesterol pill or get any more blood work done for at least a month against my doctors recommendations.

Type 2 diabetes is preventable. It is an acquired illness. For the last three weeks I only ate red meat once a week and in small portions. My diet mainly consists of Baked chicken , fish , turkey and maybe a couple slices of pizza now and then or twice a week maximum. I also eat salad , raison bran with trail mix and yogurt. I also stop eating when I feel full. I was over 250 pounds about three years ago but am about 230 now. I need to get down to 200 or 190.


As the Hub Motor Turns and the LiPo Fire Burns. Lost in the rain on a Sunday afternoon with my e bike. lol


I made it to the bike shop today. The SONA packs quit at the bottom of the hill with the bike shop in sight less than a quarter mile. I walked the rest of the way up. I was surprised they made it that far. I had to drop off a modem at Belden village and got lost in a down pour. After asking about a half a dozen people directions I got to Spectrum and then stopped for pizza as was starving.

I know pizza was not the best choice but better than McDonald's , Burger King or Wendy's. It was a buffet so took it easy on the choice of toppings. I saw the clouds when starting out and got a roll of 39 gallon lawn and leaf bags. My batteries and electronics were covered.

The bike shop was 7.9 miles and since I got lost in Belden village the trip there was probably close to 8.5 miles. My cheap excuse for a tape measure lied as the rotar I have as well as the one they had in stock was exactly 160 mm. I thought they were open to 6 PM but only until 5 PM on Sunday so made it with only a couple minutes to spare.

The guy in the front basically told me it looked hopeless as no other rotar would fit. Then a guy in the back came out and I actually saw the solution about the same time he did and I spoke first. " would an extra washer or two here work you think" He said " I think you are on the right track.

Just like a Florida sun shower the rain was gone and sun was shining. They wanted to go home so supplied me with about 10 washers and six new bolts for the disk caliper for no charge as I had the right tools in my back pack but forgot the bolts. About 40 minutes later I was rolling home with the 6P Samsung packs.

I made it back ok but definitely notice sluggishness in the Samsung packs maybe even more than the SONA packs. I pedal assisted up the small hills. Not a lot of steep hills here in Central Ohio. I will need to order a new battery pack this month if I don't make the trip to NY. I would like to start ordering one new pack each month until I get enough batteries to go 100 miles.

Right now both the old packs are charging and last time took almost two days for a full charge. We can only hope and pray for battery technology to improve at least tenfold in the next 5 to 10 years. Thanks for everyone that posted lately as am glad to hear from all of you. Thanks.

LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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latecurtis   1 GW

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Re: new eZip motor

Post by latecurtis » Oct 07 2019 9:26pm

As the Hub Motor turns and the LiPo Fire Burns. E bike batteries.


I spent way too much money at Wall Mart tonight. It was stuff I needed though. Like a blanket to keep warm and an air fryer and a wok to eat healthy. I bought a small fold up table so don't have to keep spilling beer and the wife coffee all over.

I spent 150 bucks and out of 150 bucks the only thing I did not really need for the apartment was the 3 cans of bud ice beer which was only 3 bucks and 50 cents.

The point to this is I really wanted to buy a new battery pack and now am short on money. I was looking to spent somewhere between 100 and 150 bucks for a 10 to 14 Ah 10S lithium pack. I doubt I will be able to do that as will need a PO. box as I do not live in NY where one of my best friends lived downstairs and made sure I got my stuff and took in my packages so would not get stolen and only asked for a couple cans of cheap beer in return. Here the neighbors will steal it and sell it for crack or meth.

A PO box is about 25 bucks and packages will be available for pick up even if they don't fit in the box. I found some really good deals for 36 volt lithium packs that look too good to be true so am posting the links now. I am looking at ordering something tomorrow IF I get a PO box.

https://www.ebay.com/itm/36V-10Ah-Hailo ... 0005.m1851


https://www.ebay.com/itm/X-go-Lithium-E ... 0005.m1851


https://www.ebay.com/itm/36V-10-12Ah-Li ... 0005.m1851


https://www.ebay.com/itm/36V-10Ah-Lithi ... 0005.m1851


https://www.ebay.com/itm/36V-10Ah-Lithi ... SwcBpdlvdq


Obviously if I do order anything this month it will be the least expensive on that list. Most of these batteries I never saw before tonight. The last pack , the blue one I saw a few months now and have posted before but those others are new to me so am wondering if anyone has ever bought those or knows anyone who has or has any information negative or positive regarding them.

Thanks and please post when you can.

LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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Sunder   100 MW

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Re: new eZip motor

Post by Sunder » Oct 08 2019 7:17pm

Hey LC,

Sorry I haven't been posting. Life's been a bit tough for me lately. First time I touched my electric motorcycle in about 6 months was only 2 nights ago.

1. For heat, have you considered something like this? https://www.ebay.com/itm/Mens-Electric- ... 0005.m1851

Image

Match it with some heated pants as well. There are also heated socks/gloves, etc. and electric blankets. They're all dirt cheap to run, like cents per day.

I put solar on my roof - but it's my house, I don't need to worry about where I am going to put them or how I will carry them with me. Cost me $9k AUD but it was a premium solution - Cheapest quote I got was $6.2k with Chinese panels and inverter, I put in Korean (LG) panels, Israeli optimisers and inverters (Solar Edge).

I got 19 panels, 6.5kw potential with 15% shading from nearby trees

To give you an idea, this is what a typical mostly sunny day looks like - the dips are shadows from trees. This is WITH optimisers
Day.jpg
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And remember we are in mid Spring here. Here's what the past few weeks look like:
production.jpg
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The typical heater uses 2kw. So if you don't store it with batteries, when could you use the heater? Between 8am and 4pm. So you want to store it?

12v @ 100Ah = 1200wh. Halve that for SLA, or 600wh. So if you want to run your heater for 3 hours, you need 6000wh (2000w x 3h), or 10 x 100Ah 12v SLA batteries. This is getting beyond my price range, let alone yours.

So, you need 12kwh generated per day, to store 6kwh, so you can use your heater for about 3 hours per day. Given that I only produced 15kwh in winter - and my winter is much longer and warmer than yours, I suspect my $9k system would not be big enough to do what you want.

Sorry to shoot you down mate, but it's just not possible.

On another note, this is my electric motorcycle project:

Image

A couple nights ago, I put all the big batteries (silver, back right) into a box. The box is one I built from Marine ply and wrapped in automotive vinyl. The same stuff I am wrapping my bike with. The box contains everything to manage the batteries - BMS )Small blue boxes in front of the battery), Chargers - Black boxes under the BMS - but I will be stripping them down to the circuit board to save space.

The next step is the tougher bit. I need to get the wheel mounted securely in a spare swing arm. I need to cut it, machine a solid block of high tensile steel, then bolt it back together with high tensile steel. This is effectively a torque plate, as I am putting insanity levels of torque from standstill through this bike. I estimate it will perform like a 500-600cc bike, in a 250cc frame.

From there, it's mostly programming the controller to have the behaviour I want, and to pass safety certification, I need a speedo that works (Current speedo draws from gearbox which won't exist, so I need to figure something out).

The below is the empty fuel tank I had someone wrapped to give you an idea of what colour I am doing the bike (I can do simple bits, but a tank of that odd shape, I paid a pro to do). Trying to find a metal worker that can make it into a glovebox, as I obviously won't be needing fuel any more. You can see the battery box in the background (left, by the couch)
tank.jpg
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eMotorscooter: Vectrix VX-1 on 36S
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eHouse: 5.5kw On-grid solar with battery backup coming soon!

After 5 builds, the best advice I can give, is start with high quality products. I prefer http://www.ebikes.ca

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Re: new eZip motor

Post by latecurtis » Oct 09 2019 12:47am

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1/2 cup red bell pepper diced

1/2 green bell pepper diced

1/3 cup chopped onions

3 tablespoons shredded parmesan and romeno cheese

1-1/2 cup bread crumbs.

5 eggs with 1 or 2 youlks only

2 - 15 oz cans jack mack

1 - teaspoond black pepper

2 tablespoons greek inspired souvlaki marinade

1 tablespoon itilian dressing

2 tablespoons milk

mix up good and roll into 1-1/2 inch balls

with pastry brush lightly cover surface with extra virgin olive oil.

place in air fryer and cook approximately 15 minutes at 375 degrees.

check after 10 minutes and shake up the basket and finish cooking.

roll into paper towl and allow two or three minutes to cool and serve.


Basically I like to use recipes as a base guideline and then have fun changing it to my own modified recipe. More often than not my changes blow the original recipe away. lol

Not sure if ordering new batteries this month. I still have to pay internet and phone and get a PO. box. I am about to fix my multi meter and separate my packs so I can test them all to make sure none of them are bad. Thanks.

LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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tomjasz   10 GW

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Re: new eZip motor

Post by tomjasz » Oct 09 2019 11:28pm

Get an electric blanket. Safe and warm! PM an address and I’ll send one, IF you’ll use it. But it’s going to the local St Vincent DePaul center if you wouldn’t make use of it.
Thanks Justin_le we're here thanks to you. All the best to the mods for their tireless work keeping it on an even keel.

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DrkAngel   100 GW

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Re: new eZip motor

Post by DrkAngel » Oct 10 2019 6:25am

Local St Vinnie's is kinda nice, got a trio of sub 5' skinny girls working.
Aged 75, 55 and 35 ... not related!
They always have clothes, blankets, furniture, housewares, food distribution etc. but have a pitiful poor selection of guy junk. Either it gets sold to the 1st guy or they refuse to accept the "good stuff".

City did a Community Revitalization removing street stop lights, installing roundabouts and planting flowers and other plants.
Well, St. Vinnie got short changed! Got grasses and weed looking crap in front, so I transplanted them some bunches of Marigolds and drop them off bunches of flowers, for them to arrange, some Mondays. Gotta keep them happy and in business. Salvation Army store shut down, running out of browsing spots, for when I get bored!

Salvation Army store used to be great! Big rambling store on city outskirts, had a basement full of good "junk". But then they moved uptown and became "The Salvation Army Boutique", catering to the upscale needy, with a tragic shortage of junk, probably deserved to go out of business!!!

Anyhow, I help Vinnies out a bit, including extra Veggies from garden, info on tech items, fixed their computer and printer a couple times, be tragic if they went out of business ... really makes my day to see 3 generations of twiggy little girls all light up over a handful of flowers.

Of course, taking a lesson from my passel of pre-teen grandnieces, a little treat brightens everyone's day, started passing out treats, mini wrapped candy, Hershey's or Atomic Fireball etc. to cashiers at stores or tellers at bank. Banks tellers at local credit union sometimes fight over serving me and pout when I don't choose them, enlivens everyone's day, best <$1 per week I can imagine spending!
A little learning is a dangerous thing;
Drink deep, or taste not the Pierian spring:
There, shallow draughts intoxicate the brain,
And drinking largely, sobers us again.

I enjoy enlightening ... and enlivening the spirit of the innovators.

New & Improved - Acronym Definitions

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wturber   10 MW

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Re: new eZip motor

Post by wturber » Oct 10 2019 10:45pm

latecurtis wrote:
Oct 06 2019 10:30pm


I made it back ok but definitely notice sluggishness in the Samsung packs maybe even more than the SONA packs. I pedal assisted up the small hills. Not a lot of steep hills here in Central Ohio. I will need to order a new battery pack this month if I don't make the trip to NY. I would like to start ordering one new pack each month until I get enough batteries to go 100 miles.
If you run all the packs in parallel, they should give you more total mileage and less sluggishness. I'm pretty sure this has been said before.
"Commuter - DC Booster"
Iron Horse 3.0 hardtail - 48V / 1000W / 470rpm generic Chinese DD Hub motor (ebay)
8 x 36v 4.3ah 10s 2P battery packs - 1500W 30A DC Boost Converter delivers 54v and about 1000 watts peak
53T/42T Sakae Road cranks - 30mph+ on flats
viewtopic.php?f=2&t=90369

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DrkAngel   100 GW

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Re: new eZip motor

Post by DrkAngel » Oct 10 2019 11:15pm

He never listened to the saying that you have one mouth and two ears ... which means you should listen twice as much as you talk.
A little learning is a dangerous thing;
Drink deep, or taste not the Pierian spring:
There, shallow draughts intoxicate the brain,
And drinking largely, sobers us again.

I enjoy enlightening ... and enlivening the spirit of the innovators.

New & Improved - Acronym Definitions

Index - Homemade Battery Packs - Updated - February 2019

EBike Toolbox - Bargains! $

Endless Sphere Wiki - Lost?

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wturber   10 MW

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Re: new eZip motor

Post by wturber » Oct 10 2019 11:20pm

DrkAngel wrote:
Oct 10 2019 11:15pm
He never listened to the saying that you have one mouth and two ears ... which means you should listen twice as much as you talk.
Yes, it is why I stopped commenting on this thread and why I will probably stop again.
"Commuter - DC Booster"
Iron Horse 3.0 hardtail - 48V / 1000W / 470rpm generic Chinese DD Hub motor (ebay)
8 x 36v 4.3ah 10s 2P battery packs - 1500W 30A DC Boost Converter delivers 54v and about 1000 watts peak
53T/42T Sakae Road cranks - 30mph+ on flats
viewtopic.php?f=2&t=90369

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latecurtis   1 GW

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Re: new eZip motor

Post by latecurtis » Oct 12 2019 11:19pm

I was told earlier on that different capacity packs at different stages of life are not to be hooked together. The SONA packs are 10S - 4P and purchased about 6 or 8 months prior to the 10S - 6P Samsung packs. All the packs are about 3 years old I believe and are probably nearing the end of life so have internal resistance.

They are still functional however about 50% of the capacity as when new. I will need new packs for distance but these are still good for about 10 mile round trips so usually go with the SONA packs to get to a destination as they are 4P and switch to the Samsung packs for the return trip as they are 6P.

Are you saying I am doing something wrong ? I don't even have the cables necessarily to combine them for 10P. Please let me know instead of quit posting. Thanks.

LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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Sunder   100 MW

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Re: new eZip motor

Post by Sunder » Oct 13 2019 4:08am

latecurtis wrote:
Oct 12 2019 11:19pm
I was told earlier on that different capacity packs at different stages of life are not to be hooked together.
Not to be hooked together in Series. You can even hook cells of different CHEMISTRIES together in Parallel, as long as you use the narrower of the two voltage ranges.

Damn, you're making me want to work on my 144v battery now. It's been together electrically, but there's some interesting recommendation in the Australian Design Regulations which are "recommendations", which I want to take up. Like building the battery to survive a 20G impact forward, and a 15G impact laterally. And ensuring all cables carrying high voltage are double insulated, marked orange and and supported at a minimum of 60cm intervals. Casing should be IP44 water and dust proof too.

I was doing a lot of these things anyway, but to have an authorative check list is helpful. You should check it out:

https://www.infrastructure.gov.au/vehic ... an2011.pdf
eBike: Q100H on 16S with Phaserunner FOC Controller
eMotorscooter: Vectrix VX-1 on 36S
eCar: Mitsubishi Outlander PHEV... Waiting for warranty to expire
eHouse: 5.5kw On-grid solar with battery backup coming soon!

After 5 builds, the best advice I can give, is start with high quality products. I prefer http://www.ebikes.ca

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DrkAngel   100 GW

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Re: new eZip motor

Post by DrkAngel » Oct 13 2019 7:01am

Pretty sure I've always recommended larger Lithium batteries ... multiple times! - EG
Heavy discharges are damaging to range and lifespan.

Cruising near 20mph life expectancy:
36V 16Ah battery: 500 x 20 mile cycles = 1000 miles
36V 8Ah battery: 250 x 8 mile cycles = 200 miles x2 = 400 miles

Lithium of different capacity work just fine in parallel, just not good in series.
A little learning is a dangerous thing;
Drink deep, or taste not the Pierian spring:
There, shallow draughts intoxicate the brain,
And drinking largely, sobers us again.

I enjoy enlightening ... and enlivening the spirit of the innovators.

New & Improved - Acronym Definitions

Index - Homemade Battery Packs - Updated - February 2019

EBike Toolbox - Bargains! $

Endless Sphere Wiki - Lost?

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latecurtis   1 GW

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Re: new eZip motor

Post by latecurtis » Oct 13 2019 8:37am

OK.
36V 16Ah battery: 500 x 20 mile cycles = 1000 miles
SONA packs are 8 AH and and Samsung packs 12 both are at or over 1,000 miles. I do a lot of 10 mph to 15 mph cruising. I did a lot of 20 mph cruising when in Canfield motel as bike trail and open country road but only 5 to 10 mph in city.


I thought batteries in parallel tend to equalize each other and different capacity causes problems with BMS ????

I remember discussing this before a few pages back. I really do not feel like searching for hours looking ???

What I already learned here is a good BMS will allow a pack in parallel to do low voltage shutdown and a higher capacity pack or packs may still supply power so performance decrease will be noticeable but the bike will still roll providing it does not happen up a steep incline.

I guess if good quality BMS like the SONA packs I short circuited many times being a drunken idiot survived and still run but those cheap 3 buck BMSs I built my own packs suffered catastrophic failure when subjected to short circuit. One BMS and 20 cells did however survive so 1 short circuit = 1 burnt pack out of two and a good or proper BMS like the ones in the SONA packs = 0 burnt packs out of about 6 short circuit attempts.

score - cheap BMS = 50%

Good BMS = 600%

However the BMSs in the Samsung packs may NOT be as good as the ones in the SONA packs. I never short circuited them like I did the SONA packs.They are UNTESTED. The SONA packs passed with flying colors. The cheap BMSs I ordered obviously NOT. :lol:

Thanks.


LC out.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.

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