replaced motors

Short story long, i had my P4 with me as carry-on luggage from Tenerife, and the x-ray operator got a hissyfit and demanded everything in my backpack had to be sent through the machine on separate trays and the backpack completely empty.. Somehow during this ******** the drone ended up upside...

I couple weeks back I had a pretty bad crash with my P1. I found it the next day upside down in the snow but luckily when I got it home and took it apart all 4 motors still started up.. Being new to dji products I made a noob mistake and after taking off the broken parts of the prop guards I put...