1/2c = (a + l) n/U,

(23)

equation (19) can be written

{sin (a + l) n/U}2

= (a + l)2n2 ρ· Ta + κnl − αn2l,
T Ta + κn (a + l) − αn2 (a + l) + ρn2a2 (a + l)

(24)

{ (a + l) n} 2
sin (a + l) n/U
= T· T + (κn − αn2) (1 + l/a) + ρn2a (a + l).
ρ T + (κn − an2) l/a

(25)

In a continuous chain of such gyrostatic links, with a and l infinitesimal,