How do these babies sound?

[PdxSteve]

The first 2 tested (actual motor pods 1 and 4 respectively) sound "decent" to my ear. The last 2 sound like the bearings are going out. I am in no way a RC motor expert but wanted to get some opinions. I've been getting video stability issues lately and it's sounding VERY loud in the air now and wanted to find out what it could be. Next is to check vibration I guess...

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Thoughts?

 

[jesse pena]

have you crashed at all? how many flights do you have with them?

 

[RolandS888]

@PdxSteve looks to me like you are rapidly becoming an expert. Your going in the right direction. Check the vibes and see what you get.
Have you balanced your props?

 

[pyrate]

my quietest motors vibrated more

 

[perkele]

This is how my baby sounded out of the box. Motor no 2 got new no-name bearings before first take off. Bearings installed with freeze spray and a hair dryer. Never ever hit the inner part of these small bearings as they did in some of the Youtube videos I found.

I did create a ticket at 3DR, but I decided to change bearings instead of sending the Solo back and have to wait a couple of weeks to get it back with new no-name bearings. The Solo was bought from a local reseller in Sweden.

A tiny test I would expect from the manufacturer.

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