[Diy_efi] Ion Sensing project-Strain Gauges & Basic goal?

[Greg Hermann]

>
>> So all that copper looking material on the bearings showing would
>> be what?, a small problem?.
>
>Not directly related to knock. Bearing design is probably marginal
>in that case. Even hydrodynamic bearings "harden" as the clearance
>reduces until the lubricant can no longer flow.  Knock would
>exascerbate any problems pre-existing in a marginal bearing.

One common reason for copper showing on bearings, particularly rod
bearings, is poor control of torsional harmonics in the crank.

Greg



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