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  1. Trenavix

    E-S Stealth Electric Bike Owners

    I have two sets.. the front (main) ones are literally just axle pegs clamped on a long bolt over where the bottom bracket would be. So remove bottom bracket and use long bolt and nut to clamp axle pegs over the hole. The passenger pegs are tapped into the swing arm with M8 threading. They're...
  2. Trenavix

    E-S Stealth Electric Bike Owners

    Here are a few old pictures when I built the main pack during last winter Was before some various upgrades like the controller swap from KLS7230s to KLS8080h. Notice how it would be impossible to fit them all in without them being partitioned. You have to get the bottom and top sub-packs in...
  3. Trenavix

    E-S Stealth Electric Bike Owners

    All my packs are made from Samsung 35E's. I personally would knock them down to like 3.3Ah instead of the mystical 3.5Ah they're perceived to get in ideal conditions, which would get me 5465wh. The main pack is 7s18p+7s18p+6s18p, totalling 360 cells, with copper nickel welding to support the...
  4. Trenavix

    E-S Stealth Electric Bike Owners

    Hopefully I get around to making a thread soon of what my bike has turned into and how my 72v63ah battery fits in the frame using 3 sub-packs in series with an external BMS. I've got a 72v17.5ah pack in a pannier in parallel making the system 72v80.5ah total. Can push 300A peak from the battery...
  5. Trenavix

    QSmotor/SiAecosys/Taizhou CT-22 Programming. 1 of 8

    I am going to bump this old thread in case lurkers (like me) need correct info, to say this guy is absolutely right and to ignore the speedometer section of the first post. The ct-22 dash is always calibrated to 60km/h (60000m/h) Input values in settings for section 0 and 1 should always be the...
  6. Trenavix

    Maximising the stealth bomber frame

    Been a while since an update. I've done quite a bit. A couple weeks ago I got a cargo rack bolted in, and bolted in my 3kW charger underneath it. So now I have a lot of cargo space (two side pannier bags, one top bag) and the charger is always on-board with both a 120vac mode and 240vac mode. I...
  7. Trenavix

    Maximising the stealth bomber frame

    Yeah it's a long story. I'll just copy paste what I wrote on reddit: The fun part is that the old bike could only go 100km/h due to power constraint, but the motor was wound for 135km/h. The new bike I had ordered another 135km/h 273 motor, but received a 100km/h motor, so the torque was way...
  8. Trenavix

    Maximising the stealth bomber frame

    The ending you were all waiting for... I retrieved my stolen bike, six months after it was stolen! Old bike goes 100kmph max, new bike goes 130kmph max. Love both!
  9. Trenavix

    Maximising the stealth bomber frame

    Just an update on this rig: I heavily do not recommend using Unit Pack Power for larger battery packs. They used 8awg on the main terminals for a 100A battery. 8awg can technically handle 100A........ but at 200°c. So first issue was my XT150 connectors completely melted with a 90A limit set...
  10. Trenavix

    Maximising the stealth bomber frame

    Well boys, it's on the road! The battery fitment is hilarious. You cannot say I did not maximise space here. Wiring completely stuffed into the front of the bike. The torque is absolutely nuts and I even limited phase amps to 300. I skipped the "self learning" motor calibration on my last...
  11. Trenavix

    Maximising the stealth bomber frame

    Front wheel came out great. Three coats of paint ended up perfect. I converted the brake levers to have a brakelight signal using some magnet kits on Amazon. Turns out I need a new bracket for my calliper to mount on for the large brake rotor I got, so waiting for that to arrive... of course...
  12. Trenavix

    Maximising the stealth bomber frame

    Got a lot of wiring done. TLv-5TOgSGI Made a little crappy diagram for my splicing mess: Also, the new sidewall is drilled and painted. Looks pretty good! Wheel shop is still waiting on spokes to come and I'm still waiting on QS Motor to ship my 273 so will have a delay on the wheels...
  13. Trenavix

    Maximising the stealth bomber frame

    Glad you asked. Yeah the way it's set up, the battery slides in like a child's puzzle, then the sidewall bolts in around the outside of the battery. Spacers (aluminium/wood blocks) will keep the battery out of the pockets. I had a battery fire on a soft cell lifepo4 using a bomber frame a few...
  14. Trenavix

    Maximising the stealth bomber frame

    Got some work done today. The seat is mounted, the shape of the bike will end up something like this: (Gonna go with the michelin touring tire in front too, just waiting on an order) I used a drill press on the base plate of the 8080h to make some new mounting holes to barely fit it on the...
  15. Trenavix

    Maximising the stealth bomber frame

    Yeah new build will have a GPS tracker inside the frame, not dealing with a stolen bike again. 72v70ah battery has a 2 wire BMS and samsung 35E cells. 100A continuous rating, 400A peak, though the cells should never exceed 260A. Charge rate should be good at 30A, maximum 40A. Christmas came...
  16. Trenavix

    Maximising the stealth bomber frame

    Hi all, I've seen lots of posts from this forum but never got around to posting anything myself. My last build was on a bomber frame and had a QS 273 and a KLS7230s, 72v30ah battery going almost 65mph (just over 100kmph) on a flat. Unfortunately the bike got stolen and I haven't been able to...
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