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Forum: Rotorheads

8th May 2006, 16:59

Replies: 95

why does the nose pitch forward when you lower collective?

Views: 17,837

Posted By Droopystop

Caught again typing before thinking! I think...

Caught again typing before thinking!

I think I might have to rename myself dopeystop!

Forum: Rotorheads

8th May 2006, 12:52

Replies: 95

why does the nose pitch forward when you lower collective?

Views: 17,837

Posted By Droopystop

Can someone explain to me how lowering the...

Can someone explain to me how lowering the collective results in flap forward/reduced flapback, that then results in a pitch nose down.

Concering the AoA of the horizontal stabiliser: the moment...

Forum: Rotorheads

6th May 2006, 15:16

Replies: 95

why does the nose pitch forward when you lower collective?

Views: 17,837

Posted By Droopystop

TC, I am missing something here: Lift =...

TC,

I am missing something here:

Lift = 1/2 x rho x v squ'd x S x CL

I agree the only thing that changes is CL by virtue of the change in collective pitch. At each point of azimuth, the...

Forum: Rotorheads

6th May 2006, 09:29

Replies: 95

why does the nose pitch forward when you lower collective?

Views: 17,837

Posted By Droopystop

TC, Before you lower the lever, both sides...

TC,

Before you lower the lever, both sides are in equilbrium, with the total rotor thrust acting through the C of G in all planes. So the transverse distribution of thrust is balanced. If you...

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