What affects the speed of a paper helicopter

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What affects the speed of a paper helicopter?

I am trying to find out what affects the speed of a paper helicopter that we made in the class by experimenting on the plan.

Prediction:-

    I predict that every time we make the wing span smaller the speed will increase. I think this is going to happen because we are cutting down a small surface of the wing which helps the helicopter to slow down.

Key factors:-

  • Wind
  • Mass
  • Height dropped from
  • Surface area of the wing

Method:-

    To carry out this experiment I will cut our a paper helicopter and balance the paper helicopter on a 1meter ruler and hold the helicopter on the ceiling and then say ready, steady and go. When I shout go I release the ruler and the other person times how long it takes for the helicopter to fall on the ground.

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To carry out a fair experiment I will:-

  1. Do the experiment in the same place because of the wind and the weather.
  2. Use the same helicopter because the size and the weight of the paper helicopter may be different which makes the experiment unfair.
  3. Same person timing; we should make sure that the same person is timing each time because reaction times vary between people.
  4. Same height because obviously if the height is different each time it would be an unfair test because if the height is shorter it will take less time for the helicopter to ...

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