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Thread: Sachs xtc 125 conversion

              
   
   
  1. #111
    Senior Member Stevo's Avatar
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    CONGRATULATIONS! Good news and good work!
    Current rides: '96 Honda Ohlins VFR, '03 Cannondale C440R, '03 Cannondale Cannibal, '06 Yamaha 450 Wolverine 4x4
    Current builds: eVOR.v3.3
    WORX.VOR.v3.2

  2. #112
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    Officially joined the r-E-volution

    all sorted, insured and licenced..
    CIMG0662.jpg

    Took her for a ride to show my parents and generally staying close to home just to be save.

    Not to fast from a complete standstill but above say 20 kph it starts pulling quite nicely i would guess comparable to a modern 300cc, definetly quicker than my old SR500.

    Could not get her to take more than 17 kw- but then my controller is still on 55% to run in the battery packs.
    Accellerates effortlessly to 115 kp/h (aprox 72mi) and there is more still. Just found out that the front wheel bearing makes some noise so will swap that out before going bonkers with the xtc.
    Very easy to corner for the CoG being low ( just right for my liking) and the bike being smallish anyway.
    Weard to hear all sorts of noise while riding (fairing craking...), actually i constantly wondered if something come loose. Guess it takes some time to get used to the normal- as in no worries - sounds that may usually be just unhearable when the ic engine is running.
    Back wheel dampener is to "hard" for my liking so that has to be tuned in as well.

    On a looong flat stretch it took 4,8 kw at 80kph and 7,9 at 100 (60mi). Without tucking under..Rode it 45km and used up 28 KWh acording to the CA. Had regen upped for this ride and that got me 3kw back when decellerating from 100 so i just tuned it down again some 2%...guess it will take some time to find the sweet spot for my liking.

    Have the feeling that this bike will see quite some riding unless - like now - it`s gonna pour down for the rest of the summer.

    greets

    Flo

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  4. #113
    Senior Member Stevo's Avatar
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    That s a fun observation too about the noises! I never knew how loud the chain was with a gas engine!LOL
    Current rides: '96 Honda Ohlins VFR, '03 Cannondale C440R, '03 Cannondale Cannibal, '06 Yamaha 450 Wolverine 4x4
    Current builds: eVOR.v3.3
    WORX.VOR.v3.2

  5. #114
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    Congrats on getting all legal. I had an XTC as my first bike and have always thought it'd be a great candidate for a something like a 450 dirt bike lump, but an EV conversion sound even better!

  6. #115
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    Well down Flo! Brilliant build.

    I think your calculations are wrong though, even cars don't use 28kWh to travel 48km... You must be measuring or calculating incorrectly. What is your battery capacity as it won't even be 28kWh.

    Cheers

    Tyler

  7. #116
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    Hi
    sorry typo

    Of course i meant to write 29 Amphrs. from the battery..
    Must have been still hyped by the first rides..

    Greets

    Flo

  8. #117
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    Hi all
    guess its time for another update.

    Weather has not been too favourable to ride lately so got some little tasks finished:
    Replaced front break pads
    Changed front wheel bearings
    and adjusted the handlebars more to my liking
    upped the controller to 75% and now i can get it to take 21KW . As soon the batts are fully run in....
    Had it up to 120 kph but the chain oscilation at that speed prevented me from going faster.
    Guess i will do a 14 tooth front sproked soon ..

    AND finally on friday my charger arrived

    as the wiring sheme was way off the manual it took me till yesturday to get it to work
    (had to confere with some of my more electronic-educated friends- not to blow it up)

    So as of yesturday evening this is a fully usable day to day ride.

    Since changing the bearing power consumption has dropped to aprox 4,2ish KW at 80 kph and 6,3ish at 100 kph. on a flat sretch. Who would have thought.
    Uses about 0,67Amphrs per km of mixed riding in the countryside, mainly flat, lots of villages unlike in the US for example.. equalls about 1amphr/mile

    Whats left to do?
    well i still have to figure out some chain tensioner as the oscilation that sometimes ocures gets on my nerves..
    probabnly find a space to mout the charger on board so i do not have to carry it in a case or backpack...

    greets

    flo

    flo
    Last edited by flo; 5 Days Ago at 0938.

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