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Search: Posts Made By: ApolloHeli
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Forum: Rotorheads
16th Dec 2020, 19:03
Replies: 146
Views: 24,615
Posted By ApolloHeli

I think you've hit the nail on the head there...

I think you've hit the nail on the head there mate. We all agree that saying phase lag happens due to gyroscopic precession or that helicopters behave like gyroscopes is close enough for the average...
Forum: Rotorheads
16th Dec 2020, 08:44
Replies: 146
Views: 24,615
Posted By ApolloHeli

They are not. Phase lag is "around 90°" but not...

They are not. Phase lag is "around 90°" but not exactly, and varies for every helicopter. The exact angle has to do with the relationship between the resonance of the flapping behaviour of the blades...
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