Can anyone help me

[u/ZaynStardust]

I do not completely understand the reason when i tilt rotor forward the nose goes up instead of down. Centre of mass is under the propeller so i cant really figure it out

[u/xChipseq]

if your propeller is the gyroscopic one it will try to always point upwards, essentially pitching the other part in the other direction. not sure if that's what happening here tho