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teoman 09-04-2018 04:08 AM

Measuring engine smoothness
I have been reading a lot of the older threads when I find time.

With some oild/fuel additives and other upgrades, engine smoothness is mentioned. This remains largely anecdotal so it is not really quantifiable.

Our smartphones now have fairly capable sensors (accelerometer, microphone). And apps do exist that can utilize and process this data. Are we using any of them?

Such as this one:

Thai is a paid app i think but there are free ones around aswell. These could be very usefull in quantifying vibrations and smoothness.

Cutting edge technology is using this kind of info to predict machine failiures.

oil pan 4 09-04-2018 05:18 AM

I use something kind of like that where I work to identify electric motors or their pumps that are about to fail mechanically and get them replaced before they die.

ProDigit 09-04-2018 09:14 PM

I think smartphones have G-sensors and compass sensors on them, but they're reading results well below engine vibrations (1 to 2 readouts per seconds, to preserve battery life, vs 4-5000 readouts necessary to measure vibrations).

Butt dyno still gives a good estimate! ;)

teoman 09-05-2018 04:36 AM

They are closer to 100hz in their measurement frequency. You can also use the micraphone and an app that does fourrier transform.

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