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  1. jackjetful

    BZHwindtalker ES video history

    Love your videos Adam! ... we all start at 24V!!!! hahaha :D
  2. jackjetful

    Anti spark XT90 connectors

    Ok thanks, but whats about the wattage? ... the big 1k Resistor is the recomended one from kelly! ... If capacitors draw some current verry fast will these small resistor hold that at 70V? .. I thought this wouldn't work long but maybe I am false!
  3. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Thanks! yep; it is a little bit low; can't go faster then 10km/h just with pedalling. ... ... made a 9t bicycle sprocket by myself; this low gear ratio was just for testing! .. will swich to a belt drive and a reduction of hopefully 10:1 soon! ... appart from that everithyng works great so...
  4. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    F I N I S H E D !!!
  5. jackjetful

    Anti spark XT90 connectors

    5.6OHM seemed to be to less to charge the capacitors of the Kelly. I think they would charge up to fast; this could damage them. I also don't know how many watts the 5.6OHM Resistor has.
  6. jackjetful

    Anti spark XT90 connectors

    Also bought this connectors for my current build; have a 20S Battery ant Kelly Controller. the required precharge resistor is 1K! I opened up the XT90 and here is what it looks inside:
  7. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    just a vew steps and the bike is finished!!!
  8. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    thanks! yes; wil finish my bike; ride it for a time. So I can decide to change/ improve something on the next frames :D some more pics:
  9. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Short video of swingarm: mwQe-deuO2w
  10. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    ...painted:
  11. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Picture update: Made some fiberglass covers: And cutted battery side cover:
  12. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Yes; I use a freewheel crank and a reduction (1:8) so pedaling is possible. I think Adam has a double fw on the LMX. Somethink like yours nutspecial. Exactly! still have to test the bike.. But i think my design should work as I thought...
  13. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    nope sadly not!; I wish ich could do it like bzhwindtalker on his new LMX build!: I have a double bearing freewheel which is very wide; so i don't have the place to add another sprocket on the hub. My setup is to drive the motorshaft and just use the #219 chain; should work well for just normal...
  14. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Yess Kelly KBS72121X. Its also small enough to fit in the front of the frame! Test ride was at about 30A ... curious to run it more amps? don't know how exactly much Headway cells could deliver. I think of 40A? The Signalab BMS can handle 30A continious and 50-55A max. Hopefully the next...
  15. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    BHT Motor mounted on swingarm; Swingarm bearings and 160mm BB inside the swingarm pivot!
  16. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    More pictures! Here some of the naked frame: :)
  17. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Thanks a lot for all the compliments! Yepp did a little bit on the bike; at the moment I try to improve my battery mount in the frame (maybe 3D printed headway cell holders and rubber spacings). Hi, nutspecial; I run mine at a reduction of 1:4.8 and it feels like it could be lower! tourque át...
  18. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Thanks giblet !!! Believe me; it was a long way to come to this and a lot of construction work!
  19. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Whish I had more time at the moment; will show you more details when it's 100% finished! .... I have an ajustable seat tube for normal bicycle seats which can also be unscrewed if you want to. But at my first test rides I found it uncomfortable beacuses the seat gives you stability when riding...
  20. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Here's a short Video; first ride was fantastic! P6zNAI-DOT8 To all BHT- big block users; Didn't thought of that much tourque! ... I can go up to around ~30- 35 km/h but it feels like I culd gear it lower/ faster and tourque would still be enought. Now I have to lean forward when...
  21. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    8) .... and THIS is a beast!!!! ---- 8) Just wanted to test chainline, swingarm, fork angle and mounted everything together (without saddle) ... after pulling the trottle a little bit the fornt wheel went up and I nearly fall of the bike! couldn't resist to ride a little longer.... BHT...
  22. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Great News; battery is installed; did the first test ride today!! Signalab BMS installed; luckly all worked well; charged the Headway 20S the first time; BMS did grea job:
  23. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    just build it up for the first time!
  24. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    here is geometry comparisonbetween my frame and random downhill bike :D
  25. jackjetful

    build blog->fully aluminium trail/freeride BHT Frame

    Frame is 142mm wide! ... less is not possible with the BHT! Yes, It's my first aluminium and first single reduction mid driven E bike I've built! As I said, a lot of accurately constructionwork was required to come to this result; there are just a vew components left now; I further have to...
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