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  1. Philip

    ALTA WINS NATIONAL CHAMPIONSHIP

    Congrats, Jason! Well done! And thank you for all the videos showing all the work that you put into this. You have really earned all these #1 plates!
  2. Philip

    Alta MX Cone Valve / Trax Suspension Swap

    You went with a heavier rear 66N spring than what I had, so you definitely should go with at least 5.4N/mm (0.55kg/mm) front springs. You are in an uncharted territory with these dampers and springs. I know people have run them before on Alta's, but you are using a different tuner, so this is...
  3. Philip

    Stark Future welcomed first-ever customer to Barcelona

    Our own Bryan Haskell @TCMB371 :ricky:
  4. Philip

    Cake Bukk - new high end dirt bike

    This looks pretty good. Replace that front fender and it will look like a mini-Alta. What are the wheel sizes? I couldn't see any specs on their site.
  5. Philip

    BREAKING NEWS: Amprius Creates a 500Wh/kg Battery

    The math shows that the Alta/Stark battery would become either 35 - 40 lbs lighter, or will have more than twice the capacity. This is huge. But as skeptics in the YouTube comments point out, battery tech breakthrough announcements happen fairly regularly, but we haven't seen them in...
  6. Philip

    BREAKING NEWS: Amprius Creates a 500Wh/kg Battery

  7. Philip

    Tesla Powerwall

    UPDATE 2023-03-13: Apparently, Tesla Powerwall is now available for purchase without having to buy solar installation with it. $9,200 each. Additional units are just $8K each. And they already have a 5 kW 110/220V split phase inverter in it! There is also a 30% Federal tax credit for it, so...
  8. Philip

    Alta MX Cone Valve / Trax Suspension Swap

    I think they are still there. You are welcome! https://slavensracing.com/shop/shock-springs-straight-rate-linkage-ktm-125-450/
  9. Philip

    Alta MX Cone Valve / Trax Suspension Swap

    6.3 kg = 62 N. The conversion factor is 9.81. 6.6 kg = 65 N. You need a 65-260 spring with the WP internal diameters. I dug up my email records and this is what I bought from Slavens Racing (back in 2018, when they had these springs): Product Quantity Price Fork Springs WP48mm 44mm x...
  10. Philip

    crf450r 40kw with watercooled battery pack

    Impressive machining and fabrication. I like it! The suspension choice is strange though. Front AER48 air fork but the rear shock is from an MX/EX. People usually try to get rid of the WP suspension components, but you bought them.
  11. Philip

    crf450r 40kw with watercooled battery pack

    I see a nice place for a couple of cold beers where the gas tank was.
  12. Philip

    Lizcat - Swiss company offer full YZF KXF RMZ & CRF Plug & play conversions

    The specs are similar to all the DIY project bikes on this forum. I am thinking 15-20 minute motos should be okay. With 38 hp it is like the Alta MX/MXR in Mode 2 or 3.
  13. Philip

    Graft EV EO.12

    @Azizi -- Looks like a lot of people will want to have a real motorcycle tire in the rear. If you allow people to specify the rear tire size at ordering, very few will choose 21". Will an 18" rear tire fit there width-wise to clear the swing arm and the chain?
  14. Philip

    Graft EV EO.12

    The company's owner is my good buddy. He has been producing EV powertrains for various commercial vehicles for a few years already, and for the last two years this bike, a side-by-side, and a quad have been his projects. The motorcycle, the quad, and the side-by-side use the same swappable...
  15. Philip

    Graft EV EO.12

    Ha! I think I will be reporting about this one pretty soon!
  16. Philip

    video title: World's First Harescramble Win on Electric Dirt Bike

    Which "extra weight" are you talking about? LOL! This is almost the lightest full-size bike around! Even if the battery were increased to 5.8 kWh, this bike would still be 30 lbs lighter than the Alta. How can this be?!! Where are those extra 30 lbs of fat on the Alta that we didn't know about?
  17. Philip

    Newbie need advice on a generator

    @Rashid510 @Judaslefourbe
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