Tagged Questions
0
votes
2answers
74 views
Will a helicoper which is hovering inside a closed box move with the box when we move it? [duplicate]
I got this micro helicopter to play with, you know that cheap double bladed ones you can find for $25 or so. Anyway last night I was on bed trying to sleep and I got this idea, what if we put the ...
2
votes
2answers
112 views
Whats the anti-torque mechanism in horizontal take-off aircraft?
In most helicopters there is the anti-torque tail rotor to prevent the body from spinning in the opposite direction to the main rotor.
What's the equivalent mechanism in horizontal takeoff single ...
0
votes
2answers
104 views
What mechanisms exist for generating lift on a static object?
What mechanisms exist for generating lift on a static object?
Condition is: Other than propellers
I know that generating lift on a static object in a sense of anti-gravity for e.g. drone is not ...
0
votes
1answer
89 views
Propeller modelling
I need a (very) approximate model of a propeller on an aircraft.
My principal question is this: what would the relationship be between:
Propeller rate of rotation
Aircraft speed
Force generated by ...
1
vote
1answer
73 views
What makes thrust reversers different from fans on a sailboat?
Why do thrust reversers on jet planes work? By Newton's third law, it seems like the force exerted by pushing air through the nozzle should cancel the force from redirecting the air forwards. The ...
1
vote
1answer
155 views
Why ballasted gliders fly faster
The fact:
Gliders have ballast tanks that can be filled with water. The addition of ballast increases weight, and this allows the glider to fly at faster airspeeds while maintaining the same glide ...
1
vote
2answers
523 views
Flying a toy helicopter inside an accelerating train
Scenario:
You ride in a train, you have this helicopter toy. The train is not yet running when you flew your helicopter on a constant altitude (say 1 meter above the train's floor).
Question:
What ...
