Large reaction helix limit
= Large reaction helix limit
{title2=$U=O(n^{-1}),\quad\Omega_1\to\omega,\quad\Omega_2=O(n^{-1})$}
As the length ratio of an opposite-handed reaction <helix> tends to infinity, its translation and rotation tend to zero as $1/n$, while the finite first <helix> rotates at almost the full motor rate. Small motions of the long rotor balance finite force and torque. The common propulsion vanishes in this limit of the additive model.