Questions tagged [helicopters]

For questions relating to rotary wing aircraft that typically use one or two propellers to generate lift.

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How to restore LiPo-powered aircraft that have not been flown for years?

I have a bunch of relatively inexpensive battery-powered radio-controlled aircraft that I haven't flown in over a year. I haven't flown some of them in over 3 years. The aircraft are airplanes, ...