There are a few things that will affect the resonance frequency of your helicopter: 1)Weight and weight placement 2)Size and lengths 3)RPM 4)Shape. So when in doubt change one of those variables and see what happens. If you are planning to fly your RC Helicopter on open spaces then the electric RC Helicopter is your
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Although there is nothing wrong with it electric RC Helicopter is not for people who require more than just simplicity. The electric RC Helicopter is also much cheaper than the next type of RC Helicopter: the gas RC Helicopter. When the machine shakes very hard and the blades appear to be balanced check to see
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