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  1. sigimem

    Zero battery pack in DIY motorcycle?

    While searching cells for my offroad project I found it difficult to get cells with a high power density W/kg and mid energy density that can still last more than 5oo cycles and are avialable for customers. Thats why I started this threat...
  2. sigimem

    New 26Ah NMC Cell from a123

    Have you seen this? Does anyone know more about it? seems interesting for a build where high current and good energy density is required
  3. sigimem

    Westart 20AH pouch cell

    Hope you don't pick on me but some guy posted on facebook :roll: battery data and it looked very interesting. Is something like this available right now? Or are these just impressive numbers that are not real?
  4. sigimem

    Infinion USB Programming Controller doesn´t work

    I tried to reprogramm my 18 FET Lyen Controller I used the XPD Software and flashed a setting with a EB 318 on it. Hadn´t tested it. Next day I realised I probably have the EB 218 board. So i reprogrammed it with this board. It does not turn the motor at all. Controller does not accept EB218. It...
  5. sigimem

    Recumbent tadpole motor and drivetrain choice

    I am thinking about building a recumbent tilting tadpole sometime. I would like to have something similiar to the tripendo trike bJESTiPFGiA German unfortunately (nothing funny or important anyway :roll: ) Specs of the trike: - Eu legal 250W Pedelec (with option for more power when wanted) -...
  6. sigimem

    wheelbase and weight distribution

    I recently had to think about my project again. Regarding wheelbase: I was planing a wheelbase of 1290mm at 30% sag and a very bicycle like geometrie for the rider saddle handlebar and pedals for my offroad bike. Pretty long wheelbase for a bycicle rather short for anything with a motor or...
  7. sigimem

    Problem causing less top speed than calculated

    Hey guys I have a small (16"?!) bike for dirt jumping with a 3525 motor running on 20s Lipo charged to 83V. I am getting a top spped of 42kph maybe 45kph slightly downhill. I am Running 26" inch rims with dh almost new dh tyres + I am heavy at 120kg. It Pulls up to 50A on a hill. I can´t check...
  8. sigimem

    Which hub motor ist it?

    Hey guys I just bought a hub motor off a garage sale . It is supposed to be used in this thing http://www.elmoto.com/en/produkt/. Weight is 9.7 kg and larger in diameter than my Xlyte HX3525. Can you tell me more about it? I would like to add a freewheel and have two motors for my bike.
  9. sigimem

    custom cromoly DH FS Frame

    Hi after a lot of reading and planing I will present my project here. My goal is to build a FS frame with Cromoly tubing and Hub Motor first maybe convert it to Mid drive later. i have designed a frame in CAD and started building a frame JiG for it. I'm going to use a Ht 3525 motor with a lyen...
  10. sigimem

    72V 10 Ah lifepo battery from bmsbattery

    Hello guys just wanted to know what you think of this battery http://www.bmsbattery.com/87-72v ? Seems to be a reasonable price. Any experience with their batterys or the Company in general? does it make sens to go for the higher current output BMS even so I will not use it first (so just...
  11. sigimem

    cpm 90 motors

    I just found these motors from a relatively new company http://www.cpmotors.eu . I did not find any entry in the forum yet. Especially the watercooled motor with 4kw continous and 4kg (cpm 90 45 4000w) and the dual motor cpm 90 smart gear with internal 2 speed gearbox might be interesting. All...
  12. sigimem

    E-Bike Rear Hub Motor around 3kw

    Hi nice to find such a forum finally :-). Since this is my first post i should introduce myself a bit. My name is Dennis 25 years old Student and a bike enthusiast (with and without engine) like most people here. I live in the southwest of Germany (hope that will explain mistakes in writing...
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