how do helicopters fly

Question: how do helicopters fly
- Keywords:
  design,
  flight,
  helicopter
Asked by lob to Souvik, Sabine, Maria, John, Faye, Armin on 20 Nov 2019.
- Maria McNamara answered on 20 Nov 2019:
  
  The propellor on top of the helicopter generates lift by creating a region of low pressure immediately underneath. The propellor on the side of the tail stabilizes the helicopter and stops it from spinning around.

Question: how do helicopters fly