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  1. Alan C

    What Determines the rpm of a engine?

    Sorry for the late reply. This cylinder was printed by a specialized factory using a technology called FDM. It melts metal powder with a laser and stacks it into the desired shape. I think this type of printer is not yet available in a household size, so if you want to try this technology, you...
  2. Alan C

    What Determines the rpm of a engine?

    Thank you for your response. Increasing the flywheel weight might indeed help lower the engine's idle speed. I recall seeing a video where the creator managed to reduce the engine's idle speed to just 1000 RPM by installing a massive flywheel. Perhaps increasing the engine's load is the ultimate...
  3. Alan C

    What Determines the rpm of a engine?

    Hello, this is a newbie to building mini engines. I'm currently working on a 173cc V10 engine and I'm confused about what parameters determine the engine's minimum and maximum operating speeds. I want my engine to have a low idle speed, which I know might be challenging. Initially, I thought...
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