Vibration Analysis with rpm instead of Hz and peak sum xyz

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Adrian
Posts: 204
Joined: Thu 08. Oct 2015 14:43:12
Location: Switzerland

Wintertime, perfect to have a closer look on the HW and played with vibration analysis. The tool is just great, thanks a lot. :D

My Wish:
RPM instead of Hz (rpm = Hz *60) on Axis,
General output with peak sum (xyz), allowing drill down into xyz on demand.


I did a vibration analysis and was impressed how easy I could get ridge of tail vibration.
rpm 2100 (35Hz) / Gear 8.85 (309Hz Motor) / Tail 4.8 (168Hz)
Took Main Blades of and released tail servos to move free.

I did start with a 60 Peak on Y-Axis

I did add some tape on one tail blade (around front edge in the middle/center), ending with 120 peak, so wrong blade.
2100rpm_Y_120_tabe_wrong.png


Moving it to the other blade, got better results.
2100rpm_Y_35_tape small.png


Making it smaller, thinks look great now.
2100rpm_Y_15_tape smaller.png
Last edited by Adrian on Mon 07. Mar 2016 9:15:42, edited 5 times in total.
Oxy4max SpiritPro + HW // SOXOS 550, SpiritPro, HW120A V4, 920KV // SOXOS 600, SpiritPro, HW160A, Pyro650 // SOXOS Strike7, SpiritPro, HW160A, Pyro750 // Skywing Spirit Aero // FrSky Horus X10S + Taranis X7 /
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You can already display exact RPM by mouse anywhere in the plot.
Spirit System developer
Adrian
Posts: 204
Joined: Thu 08. Oct 2015 14:43:12
Location: Switzerland

Yes I know, some other Manufactures show Hz as well, but we all run and think on rpm as many other rotation systems, this would just make it easier and better 8-)
You could even ask for Tail ratio to highlight and name peaks running on Spirit governor, this would be cool, but I guess you have other priorities.
Oxy4max SpiritPro + HW // SOXOS 550, SpiritPro, HW120A V4, 920KV // SOXOS 600, SpiritPro, HW160A, Pyro650 // SOXOS Strike7, SpiritPro, HW160A, Pyro750 // Skywing Spirit Aero // FrSky Horus X10S + Taranis X7 /
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