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      HMEL replied to the thread Tests of CDI Ignition Modules.
      Thank you for the reply. One of my hobbies is ham radio and I have recently been going down the rabbit hole of magnetic circuits. There...
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      An IC engine is quite different as the heat is leaving with the hot gases. This allows the cylinder wall temperatures to stay fairly...
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      HMEL replied to the thread Tests of CDI Ignition Modules.
      Don: I have for some time considered building a small magneto to obtain a hot spark. I would not be able to gear it to the crank but...
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      HMEL reacted to DKGrimm's post in the thread Tests of CDI Ignition Modules with Like Like.
      I've been using S/S CDI ignition modules for years. With Roy Sholl retiring a lot of people are wondering where to go for substitute...
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      My opinion but its fairly strong based on experience. Not a good idea. One of the most violent explosions I have seen was due to extreme...
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      HMEL replied to the thread Tests of CDI Ignition Modules.
      Thanks for the reply,, Keep up the interesting research HMEL
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      HMEL replied to the thread Tests of CDI Ignition Modules.
      I have been following this thread with great interest because I have a Bantam engine from about 1930 equipped with a set of points and...
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      HMEL replied to the thread Taking it up a step---.
      I think it is important to understand what a vernier is and what it is not. It was originally set to help estimate the distance on a...
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      HMEL replied to the thread Newbie needs advice about a lathe.
      Yes, there are at least two I know of in the surrounding area. However, insurance companies frown on such installations and the...
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      HMEL replied to the thread Searching for milling machine.
      Your selection of a milling machine should consider its spindle for tooling along with the travel in x,y,z. There are at least three or...
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      HMEL replied to the thread Gear Train Retainers.
      I agree, but I think the drive gear on the lead screw will have to be removed to allow the dc motor to run free of the spindle. At...
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      HMEL replied to the thread Gear Train Retainers.
      I understand your frustration when someone tells you its your fault that you were not aware of a detail like a e clip. I find it sort of...
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      HMEL replied to the thread Is diesel oil compressible ?.
      Here is one of the better explanation of the design of an injector. You have to listen to what this man says as he is reluctant to...
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      HMEL replied to the thread Is diesel oil compressible ?.
      No, it is a matter of what is called a state property. When the pressure is reduced with a piston withdrawing from the cylinder the...
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      HMEL replied to the thread Engine bearings material?.
      I am curious as to how you approach bearing design in models where the crankshaft actually rides on a hydraulic oil film shifted a small...
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