Questions tagged [helicopters]

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

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4
votes
1answer
166 views

Why don't solutions exist for a 3-axis helicopter flight controller?

So I've been searching around for a 3-axis flight controller for my 450-size helicopter. It seems that nearly every flight controller which is sold today is configured for solely the control of quad/...
7
votes
1answer
41 views

Methodology and sources for obtaining the correct replacement batteries for low-end RC aircraft

According to Mark's answer to this Drones and Model Aircraft SE question, I likely need to buy quite a few replacement LiPo batteries. Finding large LiPo batteries for expensive aircraft is usually ...
7
votes
1answer
84 views

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, ...