Recent content by J-Ri

  1. J

    How does traction compare to the width of a tire?

    Thank you all for the replies. That's what I was thinking. The tires don't get hot, and one set lasts a whole summer. Road courses, drag strips (no burnouts), and also as my primary daily driver until this year. I've got General Exclaim UHPs on it now, I went with them as a good...
  2. J

    How does traction compare to the width of a tire?

    Please help settle this argument I had with a friend. We both have fast FWD cars, and on road courses we both have problems with oversteer (where the back of the car slides out on corners). He says if I put wider tires on the rear of my car, I will have less oversteer. My understanding of...
  3. J

    Mounting rubber wheel on motors

    Epoxy is a good choice, as for keeping it out if the motors, turn the thing upside down so the motors are above the stoppers, gravity should keep the majority of the epoxy out of the motors. It seems like you would want the widest part at the top, so you can use a wider variety of planes, that...
  4. J

    Calculating the power required to compress air to X pressure at Y CFM?

    How can I calculate the power needed to compress air to a given pressure and CFM? I need to select an electric motor that is capable of compressing air to 2 PSI at 520 CFM. I would appreciate the formula(s), not just an answer to this pressure/volume, as I will probably be playing around...
  5. J

    Simple circuit to drive a small/medium conveyor belt for 5 seconds

    The simplest and cheapest way would be to use a 555 timer IC in monostable mode. http://www.kpsec.freeuk.com/555timer.htm (summary of how they work) http://www.csgnetwork.com/ne555timer1calc.html (calculator to determine what resistors/capacitors to use) You may need to use a transistor...
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