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1. After double check on the website of Firgelli, I just wonder why you choose the actuator whose gearbox gear ratio is 30：1? Is it work if I choose 63：1? Is it work if I choose three actuator is 30：1 and the other two is 63：1? Is it need update the configuration if I use 63：1?
2. Seems this actuator is not cheap, do you have any suggestion about the alternative? Any similar actuator ?
3. From the video on the website of Firgelli, the actuator make certain noise when it moving , is it acceptable from your experience ?
Thanks a lot.