Pivot-point forces ignored? (was Phase three PS)

>any violation of conservation of momentum would be new physics

Sorta. Conservation of momentum is conserved only in an inertial frame reference.

Angular as well as linear momentum should be conserved.

The assumption is F(rotational) = F(linear).

linear momentum is m * v where v is a vector
Angular momentum is a m * v * r where v and r

However, angular momentum also has to take into account that
pseudo (ficticious) forces may be at work here. In particular,
that wonderful force - centrifugal.

http://en.wikipedia.org/wiki/Centrifugal_force

Would be nice to see a conservation of momentum equation of the Walden device...

D