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  1. D

    Twin brush controllers

    My question is can I use 2- 48v 1500 watt BRUSH CONTROLLERS in series to run a single 48v 2000 watt motor? And of course use a single throttle. These are the throttles. https://www.amazon.com/gp/product/B096LB7RGK/ref=ox_sc_saved_title_1?smid=A20EV1HFK23EFH&psc=1 This is why… Last year I...
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    Cyclone crank shaft

    I retired a few old bikes that had 360w cyclone motors on them. While I removed the motors and cabling I forgot the crank arm shafts were the special Cyclone extended shafts. Now I’m setting up a friend’s bike with one of these motors but have no shaft. So if you have a shaft I can buy or if you...
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    Charging Proble

    I know it’s an old problem but I just can’t find the answer. I have a 48v 11.6ah dolphin pack that’s not taking a charge. I’ve had it about 5 years but it’s been very generally used. Never been below 40% and charged to 90% to 100%. Last week I tried to charge it and nothing. I tried with 3...
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    24/36v Using a 48v controller

    I want to build a trimmer for the side of my tractor. What I have seen on the pre-made market is pure crap. I bought a 12v to 36v brushed motor. My intention is to use existing components for everything else. I have a 48v x 11.6ah li=ion pelican pack, 48v x 50a brushed controller and half twist...
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    ThunderSky Packs giving out

    After 5+ years my 2 24v 20ah ThunderSky packs act like their pooped out. On a full balanced charge they are having major voltage drop at only around 12 to 14a draw. I had a full set of 16 new cells that I was going to use to build a second set of packs. So instead of building a second set I used...
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    Parallel Charginging Lifepo4 Cells

    I think in some form this question has been answered but I didn't find anything on it. I use GBS or ThunderSky lifepo4 20ah cells. I dismantle them from the 4 pack they come in and reassemble them into my own configurations of 8 cells per pack (24v 20ah) In this way I can use them on my wife's...
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    Mongoose Dolomite Fat Tire Bike with Bafang mid-drive

    My Wally World Mongoose Dolomite Fat Tire bike arrived this morning. Holly Crap that thing has big tires. I stood the front fat tire next to my motorcycle's from tire and the fat tire is actually taller and pretty much the same width too. The new Bafang 100mm motor from Doug (California Ebake)...
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    Lifepo4 Cell Balancing

    This question is not intended to be another thread about running with or without a BMS. With that said I have a question for those in the know. I run 8s lifepo4 Thunder Sky 20ah packs without a BMS. I use a CellLog8 attached to a 100db alarm while riding/charging that warns me of a low/high...
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    Simple DIY Hybrid Conversion Kit

    Hope this hasn't already been posted. But I thought it was pretty cool. Ezpecially if it works......Cheap too!! Bob http://news.yahoo.com/blogs/this-could-be-big-abc-news/kit-turns-car-hybrid-170717691.html
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    Blew It

    Wow, I think I blew it last week. I was at my local Meijer's store and saw a Trek bike there for $229. Honestly I don't remember the color because color is least of my concern. I noticed because I've never seen a Trek at a Meijer's store (or any big box store for that matter). It was a "700" and...
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    I thought I was a dumbass till I saw this Guy

    Gotta love it. :lol: http://autos.yahoo.com/blogs/motoramic/porsche-stuck-wet-cement-proves-karma-exists-210302568.html
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    For all you Electrical wizz kids

    A while back I posted something that was sent to be. It was a YouTube link showing a simple modification to a 24v brushed motor setup. The bike happened to be an Ezip but that's not the point at this moment. The videos show the use of a 48v brushed controller on a 24v brushed motor. This person...
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    Lifepo4 Cells in Small Electronics

    As most of us know it is difficult to monitor the remaining capasity of a lifepo4 cell when it is being discharged (at a normal rate) until it is getting close to the knee. But a while back I removed the battery from my cell phone and was suprized to find it was a lifepo4 cell. I was surprized...
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    Insurance Settlement

    Some of you may remember my posting a few weeks ago saying I took a spill on my scooter (2008 Roketa 250 54B). I thought I took the worse of it by spraining my left wrist, breaking my right wrist and breaking my right knee and lets not forget a few good road rashes. I figured the bike was going...
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    I broke something...Me

    I know this is not the correct place for me to post this but ebikes is where I normally post. And the info am going to share can effect bike riding as well. I was out riding my motor scooter (250cc) yesterday morning (yeah, I know...I'm a trader) and got a boo-boo. I wat s riding on a section...
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    An Interesting Dilemma I Need Your Input

    MY bike has twin 24v brushed motors. Until today I have only run both motors at the same time once. At that time I used 2 24v controllers with 1 throttle. Really didn't like the setup so I installed a single 48v controller and 48v throttle. Today was my first ride with the new setup. In the...
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    Motor Upgrade - All thoughts and Opinions Welcome

    I am considering upgrading my motor. Has anyone used one of these motors and/or motor/controller kits? Anyones opinions welcome. I would like to maintain my current battery ThunderSky lifepo4 pack setup (2 24v 20ah 2C packs) I could run as twin 24v packs of 40ah capasity or a single 48v pack of...
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    EZip/IZip Motor Noise Solution

    If you ride and EZip/IZip and don't enjoy the plesant sounds coming from your motor I think I have found the cause and solution. I'm not saying it's a solution for everyone but it sure looks good for me. If interested check my posting here...
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    How to Load Test a lifepo4 pack

    OK, I stopped at Habor Frieght today and picked up a battery tester. It's a 500a 12v tester. I run twin 24v 20ah lifepo4 packs. I am currently not running any kink of on bike meter. I only have the throttle lights but I can tell a major difference betweek the 2 packs. On pack #1 the red throttle...
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    Controller Question For Electrical Gurus

    I run twin brushed motors 24v 450w with twin 35a controllers. I want to change to a single controller (24v) so I am assuming I need a 24v 70a controller for brushed motors. Right??? I want to maintain the option to run a single motor or both motors using switches to turn on/off each motor. My...
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    Twin motors/controllers with 1 throttle HELP !!

    Calling all controller geeks. OK, I have a twin 24v brushed motor setup but normally only use of the 1 motors and the other is for added power when needed or a redundant. Currently each motor has it's own freewheel, on/off switch, controller and throttle. I would like to maintain the twin or...
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    Insane Mods to my EZip

    I have completed some of my modifications to my EZip to include adding twin motors and a Nuvinci hub. If interested you can see some pics and all the boring details so far at this link. http://www.ebikeforum.com/electric-bike-scooter/159160-insane-ezip-mods.html
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    Twin Motors - What controller?

    Quick update....I have been doing a mod on my EZip to relocate the motor from the right side axle to the "V" area. I also installed a Nuvinci CVS hub plus added a second motor. I was planning to add a freewheel to each motor but decided to wait with that for now. But there is a freewheel on the...
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    Another Dual Motor Setup – Your Opinion Requested Please

    I am mounting 2 – 24v x 450w Ezip brushed motors on an Ezip bike in the “V” frame. I already have the 2 motors, 2 controllers and 2 throttles. They will be powered by 2 battery packs each pack is a 24v 20ah Thunder Sky pack (24v*40ah total). As of this morning my Ezip is now...
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    My Ezip winter projects

    I welcome your thoughts, opinions and most importantly any information and/or help you can provide me. My wife and I each have 2 ebikes. a 7 year Wallie World bike with 360w Cyclone motor kits new Ezip. She is only interested in short forest preserve rides using the car to transport the bikes...
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