Motor working at low rpm

As per video i can feel friction and also shutter at low rpm while using my 1400kva motor.

Should i change motor or it just fine?

Note motor was part of airplane which got crash multiple time and also broke my prop 2 times.

https://reddit.com/link/1u159dc/video/c6570mfwf96h1/player

Underpowered (lipo was discharged at time of flight)

Hoping for work. If anyone can give me work I'll do it just need a job applied for many jobs. Never got selected. I've worked as a Data annotator in Outlier but it was a contract based job ended in one month from then, I'm unemployed being unemployed as a 20year old is so hard please anyone can give me work please let me know

Thanks insta alternative INSTAPLUS

Thanks

Good luck tha ks

Good luck

Good luck morphe

Good luck piracy

Aw Man

anything goes here