These guys (Applied Future Technologies) are in Australia, and although they use the same motor and geared reduction as Cyclone, the rest of the kit parts are heavy duty and this fixes many of the complaints from Cyclone users. The distinctive added fins help the Headway motor shed heat much faster.
So hub motors take the place of regular light weight hubs, connecting the wheel to the bicycle axle. As they receive electricity and spin, the bike is propelled forward and some of this energy is exerted into the frame at the dropouts. Usually the sturdiest place to mount a hub motor is in the rear wheel because these dropouts are reinforced and have four legs connecting them to the rest of the frame instead of just two on the front fork. These four arms consist of two seat stays and two chain stays.
It was an interesting project to say the least, particularly how to link the Ch- and the P- from the BMS taking its B- from the 7s negative termination to the positive of the 6s group, given that there are two routes (i.e. charging and discharging), so connecting both simultaneously would override the function of the BMS.
E-bikes are zero-emissions vehicles, as they emit no combustion by-products. However, the environmental effects of electricity generation and power distribution and of manufacturing and disposing of (limited life) high storage density batteries must be taken into account. Even with these issues considered, e-bikes are claimed to have a significantly lower environmental impact than conventional automobiles, and are generally seen as environmentally desirable in an urban environment.
With today’s ever changing economic climate, it’s nice to have a reliable vehicle that doesn’t cost much to operate. The electric bicycle fits that niche very easily. Electric bicycles operate for many miles on a single battery charge, making them a good choice for anyone trying to save money on increasingly more expensive gasoline. The electric bike has been on the scene for many years, making electric bike parts easy and cheap to obtain.
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Also changing the fuse to a higher one could cause the wires to start a fire and the whole house would burn down if the wires are not thick enough. Also in sweden a fuse gets bigger as they are rated higher so you can fit a 20A fuse in a 10A slot, for safety.
2. I highly recommend using a BMS in both Li-ion and LiFePO4 batteries. As a Li-ion vs LiFePO4 question, one isn’t necessarily better than the other. Li-ion will be cheaper and probably more powerful, but LiFePO4 is going to last years longer, so it’s all about what you want in your battery.
When soldering these wires to the nickel strip, try to solder between two cells and not directly on top of a cell. This keeps the heat source further from the actual cell ends and causes less heating of the battery cells.
Now the game plan here is to weld parallel groups of 3 cells (or more or less for your pack depending on how much total capacity you want). To weld the cells in parallel, we’ll need to weld the tops and the bottoms of the cells together so all 3 cells share common positive and negative terminals.
If you are using 2.5AH cells then yes, it will be 5AH with a 2p configuration. If you use cells with higher capacity, like Sanyo GA cells that are 3.5AH, then you’ll have a 7AH pack with only 2p. Make sure your cells can handle the current that your electric scooter (and namely the controller) will try to draw from it.
If not possible, try charging them individually. Some of them might come back but others might be dead. The tricky thing is that they will likely not be able to deliver their full capacity anymore and the actual capacity will likely vary from cell to cell. Two year old cells at a very low voltage are quite a gamble.
Hmm… All of these are going to be impacted by rust if he’s near the salt water a lot. I’d probably go with the mid-drive BBS02 just for torque and balance given the difficult soft terrain. To answer your question about torque on geared vs. direct drive, I find that geared is more powerful and lighter weight but also louder and sometimes less reliable long term. If you want to go the cheap route I’d go with the geared rear hub (no front hub motor… just more to break). You could consider a front hub only to make it two wheel drive by him pedaling to move the rear wheel and the front wheel using electric but then it might spin out more. The front wheel would probably be best protected from the sand and water and the easiest to install… but again, less traction there as most body weight goes towards the rear wheel, especially when accelerating. I’d love to see pictures of the end result and hear your thoughts in the forum, maybe others could chime in on this subject there as well.
“I recently purchased a new electric scooter that needed batteries. Fortunately, I found your website. You had just what I needed and at the right price. Besides having all the parts I will ever need for my electric scooter, your service was exceptional. I received my batteries in three working days. That’s great service!” – Carl from San Diego, CA
You’ll also notice in the following pictures that my charge and discharge wires are taped off at the ends with electrical tape. This is to keep them from accidentally coming in contact with each other and short circuiting the pack. A friend of mine recently tipped me off to another (and probably better) option to prevent shorts: add your connectors to the wires first, then solder them onto the pack and BMS. Doh!
Regarding you question, if I understand you correctly, it seems that your 18650 lithium battery will be smaller than the old NiCad battery, so you have extra room in the battery box that needs to be filled, correct? My recommendation is to use some type of fairly rigid foam to fill the space. It adds almost no weight and it also helps cushion the battery pack.
The drive you’re describing sounds like their Gen-2 kit. There are several builders who have used it, and it sounds like it works well at 36V / 48V. I believe it’s a common geared hub with minor modifications. Here’s the discussion on that kit: http://endless-sphere.com/forums/viewtopic.php?f=28&t=45740
Parts Scooter pocket bike & More. Black Pocket Bike Shock. Most commonly used on pocket bikes, scooters, go karts, mini choppers, and bicycles. Pit Bike Parts Honda 50 & More. New 4.75 in Shock. We wi…
So, I’ve been doing some research about eBikes (I started looking at them back when Lee Iacocca was pushing his eBike). I’ve recently become interested again and I’m looking for some advice about what kind of bike to look for.
Most commercially available 36V packs are around 10Ah, meaning our pack will be just a bit smaller. We could have also gone with a 4p configuration giving us 11.6 Ah, which would have been a slightly bigger and more expensive pack. The final capacity is totally defined by your own needs. Bigger isn’t always better, especially if you’re fitting a battery into tight spaces.
Installing an electric bike kit is easy to do, can be done in just an hour or so and can last for many years if done right initially. Deciding on the right electric bike conversion kit, the one that suits your riding style and your bike best, is the most important decision you’ll make during this process. Good news… you’ve come to the right place!
In summary, the drive system you choose will impact the overall weight and weight-distribution of your electric bike. It will provide more or less efficiency for riding fast, climbing or navigating bumps and it will cost more or less depending on how customized the frame is and whether it offers regeneration and special sensors for shifting gears. I lean towards geared hub motors for affordable light weight around-town transportation, direct drive hub motors for quieter riding, increased power and regenerative braking and mid drive motors for mountain biking or lots of hill climbing.
First thing is regarding the cells – I have just order some Panasonic 18650PF like yours by chance (I was looking for Samsung). The delivered cells were made and charged in 2014, and the measured voltage now is around 3V (+/- 0.1v). So the voltage is basically the same for all of them but there are old, I think, even thaw never used and stored in a warehouse.
A step-thru urban electric bike that hits a sweet spot between cruiser comfort and city efficiency performance, adjustable angle stem, locking suspension fork and hydraulic disc brakes. The bike comes with fenders, a sturdy oversized rack (with standard gauge pannier rods), integrated……
It’s all good Ben, choosing an ebike based solely on the motor is tough because the strength and design of each motor varies. I wouldn’t avoid geared hubs just because there’s more potential for wear over time. I just tested one today that is 5+ years old and still going strong (along with the battery pack). I’ll look for your post in the forums and try to help out if you provide your height, weight, terrain and desired budget 🙂
An approachable, mid-step, high-speed, urban electric bike with six levels of pedal assist plus throttle mode that can override with full power. Fairly comfortable with larger tires, a basic suspension fork, and cheap seat post shock… the……
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I’m mostly kidding, but if you use cells that are rated for more current than you’re trying to pull from them, you’ll create a lot less waste heat and both options will be perfectly fine and healthy for the battery.
36v 10Ah Bottle Type Battery. Rated capacity: 10Ah. 36v 14Ah Rear Rack Type Battery. Rated capacity: 14Ah. 48V 14Ah Rear Rack Type Battery. Recommended to be used with 36V 250W electric bicycle motor.
What does that mean?. Well, it is like having another fit bicycle rider helping you pedal, but without their weight. No matter how hard your hills, or heavy your bike is, this motor will always work t…
This pattern continues until we’ve got all 10 parallel groups connected. In my case, you http://usebikeparts.com see that the first and last parallel groups aren’t welded on the top side of the pack. That is because they are the “ends” of the pack, or the main positive and negative terminals of the entire 36V pack.
Hi Craig, the ST2 is an awesome ride with some really neat features. I wouldn’t feel comfortable recommending it over another model until I knew your height, weight, desired distance and terrain (off-road, packed trails or mostly street). I personally have some neck and back issues so I like the full suspension ebikes with large knobby tires for a bit of trail riding. I’m not a large rider so I prefer my frame size to not be too large or heavy and I don’t want to go over 20 mph so that helps me focus on a specific group of bikes… If you share your details maybe I can make some more informed recommendations here.
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