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  1. M

    Volume of air flow through an orifice at speed

    Hi, Thanks much for the reply. Essentially there is no (or little) back pressure as the housing has vents for any excess pressure. I have attached 3 graphics. The first shows the calculations for the amount of air/fuel mixture the engine would injest. The 2nd shows the orifices I am...
  2. M

    Volume of air flow through an orifice at speed

    Trying to figure out how much air can (or would) flow through an air intake on a vehicle. I have a rectangular intake opening that is 13.52 square inches, the vehicle is traveling at 60 MPH for 1 hour. Obviously more air is being forced into the intake due to the speed but I can't sort out...
  3. M

    Energy required to lift 1 pound 3 inches at 70 MPH

    The difference was an increase in the ease of leaning the bike over in curves. In rider parlance it became "more flickable". Was obviously due to a reduction in the gyroscopic forces but the feel of the difference did not equate with the small reduction in weight or overall diameter of the tire...
  4. M

    Energy required to lift 1 pound 3 inches at 70 MPH

    Hi, I have a few energy questions and I'm hoping they are welcomed at this forum. I'm dealing with the idea of reducing "unsprung weight" on motorcycles. This is the weight of items below the suspension, i.e. the wheel, tire, brake discs etc. My first foray into this was back in the...
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