• There were many reasons for the change of the site software, the biggest was security. The age of the old software also meant no server updates for certain programs. There are many benefits to the new software, one of the biggest is the mobile functionality. Ill fix up some stuff in the coming days, we'll also try to get some of the old addons back or the data imported back into the site like the garage. To create a thread or to reply with a post is basically the same as it was in the prior software. The default style of the site is light colored, but i temporarily added a darker colored style, to change you can find a link at the bottom of the site.

Search results

  1. J

    What Front Tire Pressure in an F3?

    I dont own a Spider, only react on tire questions. End 2007, I got hold of the official european formula, to calculate tirepressure, and went running with it. Was for radial car tires. I would like to know, what speeds allowed on spiders and what speeds driven. Special vehicles like Spider...
  2. J

    What Front Tire Pressure in an F3?

    The 30 psi is most likely at wich tire may carry the maximum load, given mostly on sidewall in loadindex. The 13 psi then for light loaded, and the 17 psi for heavy loaded to the max allowed. My idea is that at hott ambiënt temperature, you need higher cold pressure ( when temp in and out tire...
  3. J

    How do you handle different tire pressure readings?

    Difference between gauge and TPMS system could be explained by the different way they work. Gauge measures the pressure inside the tire as higher than the outside pressure. TMPS sensor sends absolute pressure to the unit, which subtracts a standard 14.7 psi outside pressure. So during a weather...
  4. J

    What is the proper Tire Pressure for 2014 RT Ltd?

    Vredestein.gave me end 2007 the official calculation , for pressure for a certain load on tire, wich I went running with. Also later I got usefull info of them, theyvwhere th only tirebrand that answered my questions. But I dont own a Spyder, dont even know what kind of vehicle it is. Think 3...
  5. J

    What is the proper Tire Pressure for 2014 RT Ltd?

    This pigheaded Dutch selfdeclared tirepressure-specialist would like to know what kind of tires are used for Spider? Motor- tires mayby? For radial car-tires I am able to calculate a safe highest pressure, with still acceptable comfort and gripp. But also for motor-tires this calculation will...
  6. J

    622 trailer tire pressure

    Googled for the 622 trailer and came to this topic. http://www.spyderlovers.com/forums/showthread.php?30101-RT-622-Specs Found GVWR of 400 lbs, and tires 4.80 X 12 LRB wich I again googled and found tireweight rating of 780 lbs a tire. So this tire has maximum load 780 lbs ( loadindex 72) AT 35...
  7. J

    622 trailer tire pressure

    I havent the faintest idea what kind of trailer it is, but if you provide me with the weigh of it and the tire-specifications, I will calculate it for you with my made calculator. Need from trailer next: The maximum allowed total weight , called Gross Vehicle weight rating, but better real...
  8. J

    front tyre pressure?

    I am able to calculate a lowest cold pressure wich dont give damage to tyre at the speed you drive. For that I need tyre-data: Maximum load or Loadindex, Kind of tyre to determine the AT-pressure/reference-pressure/ maxloadpressure/pressure needed for the maximum load up to max speed of tyre (...
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