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kf2qd
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    • kf2qd
      kf2qd replied to the thread Metal 3D printing filament.
      All your carbide inserts are sintered. In that case the carbide is in powder form and pressed at very high pressure into a mold. It is...
    • kf2qd
      kf2qd replied to the thread What is a Diesel Engine ?.
      Diesel fuel and Kerosene are very different fuels. That engine will not idle on diesel because you are using the wrong fuel. A Gasoline...
    • kf2qd
      The Rumley Oil Pull tractors used oil for coolant. Closed system with a radiator. They wanted the engine to run hotter that they could...
    • kf2qd
      kf2qd replied to the thread Plan to build....steam!!.
      I would not consider a steel boiler for model operation because of corrosion. Most of the model boiler designs I have seen are copper...
    • kf2qd
      kf2qd replied to the thread Dovetail messed up.
      Your rod that you were using for measurements was to big in diameter. you were not measuring the dovetail, you were measuring the...
    • kf2qd
      An important factor to consider is the acceleration of the piston as it moves up and down in the cylinder. A longer stroke has higher...
    • kf2qd
      Some engines had 2 balance shafts to neutralize the off center vibration induced by 1 balance shaft. And then you have to look at any of...
    • kf2qd
      kf2qd replied to the thread Welder.
      If your weld looks like you were squeezing a chicken you need to practice a lot more...
    • kf2qd
      kf2qd replied to the thread Welder.
      With stick welding the rod and the machine are both important. 6013 was called farm rod when I was growing up, the flux helps direct the...
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