Power in Flux

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  1. Replies
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    Hi got the upper pack (10s) finished with sense...

    Hi
    got the upper pack (10s) finished with sense cables and fixed to the bike - no pic though :(

    Holder for the emergency cut off done:
    8217

    fits nicely:
    8218

    Now i had to get it not only...
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    Pwr on the controller pin 7 should come live and...

    Pwr on the controller pin 7 should come live and close contactor of motor pack only after key switch is closed
    and the "e-stop" on handlebar is closed. I called it contactor on switch)
    Otherwise...
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    Wiring sheme anyone cares to have a look ?...

    Wiring sheme

    anyone cares to have a look ?
    hope its all really visible.
    Most important to me is the former indicator light that i have circled into that blue oval.
    Will this indicator light be...
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    better view 8210

    better view
    8210
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    HI never waste any material ;) 8208 Half of...

    HI
    never waste any material ;)
    8208

    Half of the chain guard done...
    would be finished by now if i was one to stick to his own plans..
    used up the other motor-cut-out to mill those stops for...
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    Hi welcome here. Always great to hear about new...

    Hi
    welcome here.
    Always great to hear about new projects.:)

    Sounds doable but as Andrew suggests check out LiFePo4 Batts for motor and aux.bat.
    2kwh should be doable still.
    also i would...
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    Hi Fuse(es) arrived, but my buddy being sick i...

    Hi
    Fuse(es) arrived, but my buddy being sick i am still waiting for the sens-wiring.
    In the meantime i got some open tasks done:
    -new break fluid
    -pre-alligned the motorplate in relation to...
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    More mockups.. trying out the new cockpit layout...

    More mockups..
    trying out the new cockpit layout atm... needs to be rotated a little more but otherwise i quite like it.
    greets
    flo
  9. Replies
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    Hi all got the bike up into the garage, Motor...

    Hi all
    got the bike up into the garage, Motor craddle in all screws Locktided, controller and lower battery clamped in place (detail pics follow as i still need to do the sens wiring..)
    - rock...
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    Hi Frontend almost done.:) Forkseals and new...

    Hi
    Frontend almost done.:)
    Forkseals and new oil , Wheel back ín.
    Cycle analyst arrived too so once my new tray for the upper pack is done it will be time for final assembly.:)
    Oh and still...
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    HI been thinking about it and even asking...

    HI
    been thinking about it and even asking around..
    Any product to recommend?
    Yes bus bars definetly on the big side but learning from Ripperton in a YT vid , that cooling of the pack is best done...
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    Hi all, guess its time for an update. Finished...

    Hi all,
    guess its time for an update.
    Finished the battery connections and boxes. ;). Took a while, not only for being lots of work but also, as its quite intimitating i opted to do only 2s (3P so...
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    HI after having too much trouble with the tiny...

    HI
    after having too much trouble with the tiny 1mm trunches in 3 mm aluminium i changed to 1,5mm thickness material and finally got the "lower bus-bars" made
    Instead of doing multible 2s3p...
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    Hi just seen this so i would like to comment....

    Hi
    just seen this so i would like to comment.
    First off plywood is very good to mill - i mill it basically all day long and have none of those "frizzles" like you. For that you have to get your...
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    Want one!! perfect bike for my taste... guess...

    Want one!!
    perfect bike for my taste... guess one just need to rob a bank first to afford something like this.


    Flo
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    Trial part milling with those tiny 1mm bits...

    Trial part
    milling with those tiny 1mm bits proves a challenge especially for once patience.
    Only 19 of those and 4 "start" pieces more...:rolleyes:

    81548155

    These will get glued on to the...
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    Hi Opted for only one row of screws.. along...

    Hi
    Opted for only one row of screws..
    along this lines:
    8145

    Have to wait for some suitable mill-bits to arrive to cut those tiny slots in the aluminum-bus-bars .
    greets

    flo
  18. Replies
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    Bus bars

    Hi,
    while still waiting on screws washers and lock-nuts to arrive i had some time on hand to plan the bus bars a little more in detail.

    Lower layer (yellow) is a fiber glass to isolate the bars...
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    Don`t know why the manage attchment sometimes...

    Don`t know why the manage attchment sometimes rotates the pics 90 deg to the left... on my cam and pc they are upright ??
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    Been a while

    Happy new year everybody.
    After 32 Days of cycling and testing and retesting the weakest cells here is the outcome
    Best 1 mOhm worst cell 5 mOhm
    Best 26,7 AH worst 22,3 Ah between 4,12 and 3,35...
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    Santas Return

    Hi
    Seems like i have been a good boy this year.
    Santa came back once more and brought me a contactor and Switch. ;)
    Very nice units i must admit.. Switch fully waterproof - nice
    If i `d onlhad...
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    Hi Santa´s been early this year ;) Got my...

    Hi
    Santa´s been early this year ;)
    Got my Lipos yesturday..
    37 Kg of lipos well packed and undamaged - even skipped customs ;);) lucky strike i guess
    So now i need time to cycle and IR test...
  23. Hi welcome and good luck with your project. flo

    Hi
    welcome and good luck with your project.
    flo
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    Haha thanks Ted. Its more trying to find them...

    Haha
    thanks Ted.
    Its more trying to find them in either germany or eu so i do not pay horrendous shipping and import tax.
    thanks
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    Hi all A question about fuses: so far i have...

    Hi all
    A question about fuses:
    so far i have found only one (semi?) suitable fuse, this one:
    8085

    and it says only 80V DC which is slightly less than my fully charged battery will sit at (90V)...
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