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Heavy flywheel to improve idling and low rpm torque
The recent post about fuel consumption of an unloaded engine at different RPM had me thinking about ways to improve idle consumption.
A well known way to improve idling and low rpm torque is to use a heavier flywheel. At least in theory, this modification is easy. We could probably achieve very low idle RPMs that way and potentially improve the glide phase of a P&G cycle. More low rpm torque could also mean improvements to the pulse phase depending on speed.
The question is how low the engine is mapped. It seems modern engine like to prevent stalling automatically and this may effectively prevent low rpm experiments.
Anyone seen any work on this?
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