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Recent content by clshore

  1. clshore

    Spline root failure

    Fatigue cracks at the root of splines commonly occur due to localized bending at the surface discontinuity where the machined groove meets the surface of the shaft. These are typically rather sharp, even when the profile of the spline itself is not. These can be minimized my 'necking' the...
  2. clshore

    Nikasil Coating Properties

    A related question: Nikasil is specified for aluminum bores, but can it be used on cast iron? Any experience to share? Carter Shore
  3. clshore

    Ballpark Engine Lubricant Oil Flow Rate

    Since oil is incompressible (for our purposes), the flow rate will be determined by the swept volume of your oil pump, times it's RPM (some run at crank speed, some at cam speed). You could calculate the swept volume by carefully measuring the oil pump components, but it's probably possible to...
  4. clshore

    Ideal Oil Pressures

    This relates somewhat to a thread about viscous flow through an orifice. I forget the 'Law' quoted, but the laminar flow model is used to derive a mathematical relationship between the orifice diameter, the viscosity of the fluid, the pressure, and the temperature. But derived differently, you...
  5. clshore

    SBC NASCAR rods

    Yah, it's a HP thing. The so-called 'honda journal' saves a few HP, and the reduced recip weight also helps at higer RPM (inertia loads increase as the square of the RPM). Bearing loading is really not so much of a factor, since the PV varies directly as the journal diameter changes. So in...
  6. clshore

    Looking for carbon graphite tube

    For smaller quantities off the shelf, try these folks: http://www.acp-composites.com I've bought from them, no problems. (NFI, etc.) Carter Shore
  7. clshore

    Knock Sensor Output

    Knocking on the block with a hammer does still work for testing knock sensors. It introduces a single excitation step input, exactly as happens when knock occurs. Step input represents all frequencies, it is the engine assembly (block, rods, crank, etc.) that resonates in response to a step...
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