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  1. J

    Does anyone else write out your machining steps ahead of time? ML Midge Cylinder Head

    Im attaching my step by step process for machining the cylinder head of the ML Midge. Maybe Im too new but I really dont know how I could make it through the work without staying organized. Do these order of operations seem the best? Does anyone else have a write up like this for diesel...
  2. J

    when to drill holes in cylinder head for model airplane engines?

    Maybe its just up to the individual preference but I have seen a few articles describing the order of operations for machining cylinder fins. In some cases it looks like the holes used for bolting it down to the crankcase are put in after the fins are turned and sometimes its described as being...
  3. J

    Machining aluminum crankcases for model airplane engines questions

    Machining aluminum crankcases for model airplane engines question (see image of ML Midge crankcase with my notes): There is a great article here about how to setup the work so the crankshaft bore is perpendicular to the cylinder, but I had concerns about the drill wandering too much during...
  4. J

    Reviewing the ML Midge from MotorBoys

    Ive carefully read the build instructions at the modelenginenews site about how to machine the crankcase. In that text I saw there were some small metric to imperial discrepancies between the text and the drawing. Also some instances where the dimension scheme on the print did not follow the...