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Forum: Rotorheads

4th Sep 2002, 08:55

Replies: 115

Hanging one side low

Views: 26,772

Posted By Q max

Someone (sound) referee please....

Nick sez:
"you will realize that the height of the tail rotor above or below the main rotor hub has nothing to do with the hover angle"

That has got to be wrong.

... sure, for rotor heads with...

Forum: Rotorheads

3rd Sep 2002, 19:23

Replies: 115

Hanging one side low

Views: 26,772

Posted By Q max

CRAN - Yup - I agree

Sure it works with either (any) origin.

Yes. It is more conventional to take cg as the referance.

I think (unimportant) that in this case it is more instructive to take the hub center as the...

Forum: Rotorheads

3rd Sep 2002, 15:09

Replies: 115

Hanging one side low

Views: 26,772

Posted By Q max

Thank you

vorticey - thanks - really nice to have a comment like that
(... positive agreement so rare around here) - you've made my day:)

Forum: Rotorheads

3rd Sep 2002, 09:37

Replies: 115

Hanging one side low

Views: 26,772

Posted By Q max

Basic physics a bit off

Nick GLS and vorticey (but especially Nick)

Respectfully I say: you are wrong (close but wrong)

For simplicity first consider only a pendulous type rotor head:

In the horizontal plane the...

Forum: Rotorheads

30th Aug 2002, 13:49

Replies: 115

Hanging one side low

Views: 26,772

Posted By Q max

Dubious logic - Nick

Two attitudes here:
Fuselage attitude
Disc attitude

Disc must run at an attitude to cancel translating tendancy

Fuselage attitude will be such that cg is directly below thrust unless modified...

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