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  1. T

    Street tracker build

    Stoked in getting a feature in Pipeburn last week with the Concept Z. I'll have some footage up soon. https://www.pipeburn.com/high-voltage-flat-tracker-concept-z-by-ed-motorcycles/
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    Hub motors - Why such bad power to weight

    Having a fairly basic understanding of the workings of the brushless DC hub motor I'm curious as to why all currently available Hub motors have poor power to weight when compared to mid drive motors (Emrax, Zero, motenergy etc) ?? Is it simply the fact that development has not occurred in the...
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    Street tracker build

    Update of what I have now labeled the Concept Z. Pictures are of the bike on display at the recent Aussie EV Expo at Sydney Olympic Park. I will upload more pictures to the thread with time. Instagram users can jump on to the Ed Motorcycles profile to find a few more build pictures...
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    Street tracker build

    Cheers mate. Current design has Air flow channeled from underside of battery box up along front side of motor. I'll dig out some more pics of frame build and CNC work over coming week. Thanks mate. I have been considering using 18650 (25r) cells in a 28s24p layout but I'll throw you an email...
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    Street tracker build

    Update after some slow progression on my bike build. Motor is now mounted and battery box mock up complete. A little more fabrication work and it will be ready for battery.
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    Street tracker build

    This drive train setup is what Zero is running in the 2017 SR. Zero states 52kw peak and 775 amp. I'll start with a 5.4:1 gear ratio so should get decent acceleration with around 850nm delivered to the rear wheel...
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    Street tracker build

    Quick update. 2017 75-7R motor coupled with a Sevcon Gen 4.5 size 6 has been ordered and should arrive mid to late Nov. :D
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    Street tracker build

    Hi Dean, I'm down in Valentine on lake Macquarie. Hopefully bike will progress quite alot between now and Christmas. I'm currently held up awaiting parts. Cheers Toby
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    Street tracker build

    Cheers Chris, Hopefully in the coming months the bike will be ready for fittment of one of your batteries. ☺️
  10. T

    Street tracker build

    About two years from when the idea of building an electric flat tracker style street bike first started to now and I finally having a rolling bike to show. Frame and swingarm has been designed from ground up and will suit either an Emrax 228 or zero 75-7 motor and around 5 kWh of lipo.
  11. T

    MOTOR PORN !! EMRAX 228 teardown !!

    Hi guys, I received a response from emsiso regarding possible control issues of the emrax LV. Although response was brief I was informed that the 228 LV emrax motor paired with the emsiso emdrive 500 controller was being run in the E- raw bike built by essence motorcycles with no reported...
  12. T

    MOTOR PORN !! EMRAX 228 teardown !!

    Hi Luke, I'm looking to put the 228 LV into a bike build. I'm guessing by your response and knowledge of electric motors that running the Liquid cooled version would be a wise choice in a motorbike. I was keen to avoid the extra complication water cooling brings into the design and build but I'm...
  13. T

    Power for 100km/h elmoto speed

    Cheers Chris This is just the info I'm after.
  14. T

    Power for 100km/h elmoto speed

    Hi Guys, I'm chasing some real world data of the power (kw) output required for cruising at around 100km/h on a elmoto. I understand this figure is going to be somewhat broad with different size bikes, aerodynamics, motor efficiency etc but some figures including bike type and setup etc would...
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    Emrax motor with Emsiso Edrive

    Hi Scott, Good to hear you are obtaining good results with the Emrax motors. Is the Uni documenting the build online via blog etc? Would be great to see the project. What voltage are you running? Cheers
  16. T

    Emrax motor with Emsiso Edrive

    I'm assuming Emsiso did not pre program for the Emrax motor? Would be great to hear how you progress with setup Emsiso support etc. What are you using the setup in? Have you got a donner bike in mind or are you looking at custom? I've been in contact with frame crafters who I hope can work...
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    Emrax motor with Emsiso Edrive

    Edrive 420 is 1170 Euro plus 100-200 extra euro for programming for the Emrax, potting, CAN interface etc. Still waiting for reply about further info on both motor and controller from respective vendors. I did consider the 228 but for my application I see no additional performance to the 207 if...
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    Grinhilia - my Aprilia RS125 Conversion

    Hi Ohbse, Yeah the Emrax 207 LV is looking good for my build also. I have just made some enquires to both enstroj and Emsiso regarding the low voltage setup. I started a thread in escoots/motorcycles general discussion folder http://endless-sphere.com/forums/viewtopic.php?f=10&t=70967 but it...
  19. T

    Emrax motor with Emsiso Edrive

    Hi Guys, I'm currently looking into motor selection, and have been for some time, for a light weight (<100kg) short range street tracker style bike build. Wanting to stick with Air cooled to keep things simple (simpler is prob the better word) the Motenergy ME1115 was at the top of my list...
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    On One Inbred Custom

    Hi, Thought I'd share my latest Ebike build Specs: On One Inbred Frame MAC motor EM3 Triangle pack 50v 12.3ah 30A Controller Custom Single speed freewheel to motor adapter Custom Battery/Controller Box and frame clamps Rockshox TK30 forks 24" Rims/tyres Cheers Toby
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    Hubmonster 94% efficient 7kw NO LONGER FOR SALE

    Thanks guys. Yeah the rim turned out looking better than expected. Jansevr the bike is a Honda Ct 110 otherwise known as a Postie here in Australia. The plates are 6.5mm thick 6061 T6. I think they are a little of an overkill but the added weight was slight for peace of mind. I'm yet to...
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    Hubmonster 94% efficient 7kw NO LONGER FOR SALE

    Love the Motobecane. This was high on my list when I looked for a conversion bike but they are a little rare here is Aus. The mighty Honda CT110 "postie" is what I'll be fitting my Hubmonster to. I finally got the motor fitted into a 16" rim for those interested. see attachments. The rim is...
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    BMS Over charge detection voltage ICR18650-22P

    Hi Guys, I'm currently buying/sourcing parts for a 18s3p Samsung ICR18650-22P pack build and would like to know what Over charge detection voltage to have set on the BMS for this particular cell? I have found several chinese suppliers for an 18s BMS and the data sheets have the Over charge...
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    Battery pack on Panasonic NCR18650B cell

    Thanks for the explanation. So should we expect commercially available packs with high numbers of 18650 cells configured in both parallel/series (AllCell ect.) to use cells with PTC's fitted? Has anyone opened up an AllCell or similar configured pack? Cheers.
  25. T

    Battery pack on Panasonic NCR18650B cell

    Thanks for the reply circuit. Can you elaborate on this further as far as the additional protection required for paralleled cells? I was under the understanding that the voltage of cells in parallel remains progressively the same throughout charge and discharge, and act like, and can be...
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