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  1. Philip

    EM Factor-E Trials: 4-speed transmission, Flywheel, and Clutch

    Things like that happen very-very rarely. This year we are extremely lucky to have three established motorcycle manufacturers who decided to venture into the motocross market: Beta, Triumph, and Ducati. I do not remember this happening before in my lifetime. Motocross is prospering! New...
  2. Philip

    AJ Catanzaro rides the Stark Varg

    It is interesting how he completes the corner while standing up but then sits down for ~0.8 seconds in order to accelerate. Then he lets the bike kick him up to stand up again. He wheelies through almost half of the straight! He pumps his legs while wheelying in order to maintain the wheelie...
  3. Philip

    Battery Build

    That's what @DonCox does. I am thinking, without more sophisticated electronics than a simple BMS, it is safer to let the battery drain low and feel the gradual reduction of power rather than let the BMS kill your bike completely (or partially in case of multiple BMS/batteries). A typical BMS...
  4. Philip

    AJ Catanzaro rides the Stark Varg

  5. Philip

    E bikes in the Dakar Motion 1000 race

    Here they are: Mission 1000 Highlights - Stage 1 - #Dakar2024
  6. Philip

    MX14 80/120-19

    I have one of these, waiting to be installed when there is a need for it. On the Alta, the tire-fender clearance has been an issue with most rear tires. I run my rear wheel closer to the back end of the swing arm slot. Let me know how it works on the Varg!
  7. Philip

    General Dirt bikes are horribly inefficient

    You could probably buy/rent one of those Boston Dynamics dogs and test what their off-road riding range is compared to the Alta/Stark. But for ultimate efficiency, nothing would beat a horse or a mule. Just feed them grass and water. Renewable flex fuel.
  8. Philip

    Throtle Problem Alta

    The throttle and other part numbers are stickied here: https://electricdirtriders.com/threads/list-of-aftermarket-products-for-the-alta.334/ I also just copied this throttle info into the Alta Part Numbers thread...
  9. Philip

    AMA and Electric Motorcycles in AMA races

    Yay!!! This is exactly what the AMA/FIM/KTM have been afraid of, LOL! https://electricdirtriders.com/threads/history-being-made-with-jackbrunell155-taking-the-first-arenacross-victory-in-round-2-of-arenacrossuk-taking-the-championship-lead.3415/
  10. Philip

    History being made with @jackbrunell155 taking the first Arenacross Victory in Round 2 of @arenacrossuk + taking the championship lead

    Yay!!! This is exactly what the AMA/FIM/KTM have been afraid of, LOL!
  11. Philip

    Varg charging from generator.

    You'd need a bigger ~4,000W generator because the Varg likes 220V at 16A. Then it would work.
  12. Philip

    E-bikes banned at FIM SuperEnduro - - Last minute rule change

    Here is a cautious and politically correct YouTube response from Stark Future:
  13. Philip

    Dealership delivery

    Great price too :ROFLMAO: I bet everyone in Illinois is now itching to go riding in the middle of winter.
  14. Philip

    AMA and Electric Motorcycles in AMA races

    Please don't start a fight. Many of us raced in AMA races in the past. There were no rules against electric bikes until the 2024 AMA Rules came out.
  15. Philip

    Recharge in silence - 10kwh 4kw split-phase

    A year ago, I was heavily into a perfect coach battery engineering. I used a Shenzhen-Basen 4s4p setup (12V) with a 4,000W AIM inverter/charger. It worked well, but I chose a bad location for the battery bank (under the van), which kept damaging battery cells that were closest to the exhaust...
  16. Philip

    E-bikes banned at FIM SuperEnduro - - Last minute rule change

    Corruption is alleged at the 1:44 minute mark.
  17. Philip

    AMA and Electric Motorcycles in AMA races

    Someone should expose this hyper-hypocrisy. What a scam. What a shame.
  18. Philip

    AMA and Electric Motorcycles in AMA races

    I have been thinking about this topic. Everyone seems to be accepting it as given that the AMA (American Motorcyclists Association) represents their own financial interests first, the interests of motorcycle manufacturers second, and the interests of motorcycle riders maybe third or lower. This...
  19. Philip

    Hello from Northern Germany!

    Merry Christmas!
  20. Philip

    Fly Like An Eagle

    Coming up short or long on a new jump is a routine occurrence in motocross. Bikes that are made for jumping do not crack in half each time you go to a new track.
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