![stability - Would a helicopter with the blades on the bottom fly the same, if at all? - Aviation Stack Exchange stability - Would a helicopter with the blades on the bottom fly the same, if at all? - Aviation Stack Exchange](https://i.stack.imgur.com/ire35.png)
stability - Would a helicopter with the blades on the bottom fly the same, if at all? - Aviation Stack Exchange
![Patents signal Bell's interest in biplane tiltrotor and variable-direction tail rotor designs | News | Flight Global Patents signal Bell's interest in biplane tiltrotor and variable-direction tail rotor designs | News | Flight Global](https://d3lcr32v2pp4l1.cloudfront.net/Pictures/480xany/5/1/2/75512_tailrotor_315551.jpg)
Patents signal Bell's interest in biplane tiltrotor and variable-direction tail rotor designs | News | Flight Global
![stability - Would a helicopter with the blades on the bottom fly the same, if at all? - Aviation Stack Exchange stability - Would a helicopter with the blades on the bottom fly the same, if at all? - Aviation Stack Exchange](https://i.stack.imgur.com/Z2yv0.png)
stability - Would a helicopter with the blades on the bottom fly the same, if at all? - Aviation Stack Exchange
Why are tip jet helicopters so rare, even though it doesn't seem very complex and would work fine with current engines, like turbines or any kind of compressor? - Quora
![Helipad Summer 2022 - Including Special 30 Year Celebration Section by Devon Air Ambulance Trust - Issuu Helipad Summer 2022 - Including Special 30 Year Celebration Section by Devon Air Ambulance Trust - Issuu](https://image.isu.pub/220722105005-b12d9ac73dc82fcbd58a63200578aaf1/jpg/page_1.jpg)