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  1. M

    The Alta Powered Grom Rips!

    From our initial testing the worries about a "wheelie monster" proved unfounded. The bike has a nice almost ideal 50/50 weight distribution with rider onboard and due to the taller gearing it's very controllable off the line. A longer wheelbase (swingarm) is not really necessary and would add...
  2. M

    Battery Pack Disassembled (Frustrating Weekend)

    How much extra capacity do you want (in approx. 1000wh increments)? Note, the stock battery is about 5800wh. That will dictate the total number of cells you'll need to buy (Sony or Panasonic depending on R vs MX). Then look for a good BMS (more like multiple boards) that will support 84...
  3. M

    SM Onboard Charger bricked

    Those things have a built-in GFCI and hard fuses. I'd check them before making any purchases.
  4. M

    Battery Pack Disassembled (Frustrating Weekend)

    I think you could add additional "home made" packs in parallel with the Alta pack with little problem (saddle mount type). They'd need to match total voltage (at least 84 cells in series), be of the same or very similar type, have their own BMS system (commercially available) and would need to...
  5. M

    MXR Negative Contact Relay Failure........

    Our GROM project had a similar problem. Just wouldn't stay latched. We got a low bus voltage message but that was not the case. Ended up just re-flashing the system and the problem went away. When in doubt, flash it out!!!!
  6. M

    Want to buy BCU ("A" pack upper cover)

    Did you check the fuses?
  7. M

    Error 32 - Service required negative weld. not good...

    Not sure it matters that much but try and ground the battery case to the chassis.
  8. M

    Error 32 - Service required negative weld. not good...

    You may have to re-flash the firmware, but I'm not sure how to do it with a dead bike?
  9. M

    Want to buy Looking For Main Harness

    Nope, no issues with mine. Just thinking ahead to my next project!
  10. M

    Want to buy Looking For Main Harness

    Hey guys, thought I'd post this just in case someone had a main harness they could part with. Any model any year as long as the principle wires/connectors are present (ACM, DCCP, Battery, Display, Switches, etc). Prefer an older MX model due to the battery connector but not a deal breaker...
  11. M

    2018 Alta fault code 103 second time

    Does it start to charge and then trip the GFCI?
  12. M

    Alta powered Honda Grom

    Don't let not having a sheepskin fool you, ElectroBraap has great mechanical aptitude and intuition, more than most of the formally educated engineers I worked with in Aerospace (many I wouldn't even trust changing out a sparkplug!). Book smarts doesn't mean squat unless you can apply it in...
  13. M

    Rim Shattered

    I think the issue with the front is getting the wheel AND rotor properly centered (KTM front with Alta forks). The axle spacer(s) can/will center the wheel but I think you'll need to shim the rotor out as well. I'm not positive, never tried this combo.
  14. M

    Loading and Unloading your 150lbs Generator

    One of these might work depending on your tailgate height. Still need to lift it onto the table, however. 1000 lbs. Capacity Hydraulic Table Cart
  15. M

    Honda CR-E vs. Alta Redshift

    The location of the center of gravity (and therefore the weight distribution) is one of the biggest compromises in vehicle dynamics. Front to back determines the static weight distribution and the height determines the dynamic distribution due to weight transfer during acceleration and braking...
  16. M

    Better Battery

    I think the future battery will be closer to a "super capacitor" than an electro-chemical device.
  17. M

    Amazing Ad That Tears Me Up.... <3 Alta

    They sure tried to infer that much of the bike was built by them (in the USA). We all know now how far from the truth that was. Still, good commercial.
  18. M

    Protected Throttle Idea

    I completed my relocated throttle assembly on the 17 today. Works great, just a tad quicker than the "fast" Alta throttle. The original halls effect components are nestled quite nicely inside the frame and well protected. I like the KTM way of routing the cable but I could have done it...
  19. M

    Complete Battery Pack Teardown

    It's like politics. The real needs never get addressed, only the folks with contacts or money.
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