Передачи

$i = \frac{n_1}{n_2}=\frac{\omega_1}{\omega_2}=\frac{D_2}{D_1}=\frac{z_2}{z_1}$

$n_2=\frac{n_1}{i},\quad \omega_2=\frac{\omega_1}{i}$

$P = M\omega,\quad M_2 = \eta\,i\,M_1,\quad P_2=\eta\,P_1$

$\eta = \frac{P_2}{P_1}\cdot100\%,\quad P_2=\eta P_1$

$i = \frac{z_2}{z_1}=\frac{D_2}{D_1},\quad M_2\approx\eta\,i\,M_1$

$v=\frac{\pi D_1 n_1}{60}=\frac{\pi D_2 n_2}{60}=\frac{p z_1 n_1}{60}=\frac{p z_2 n_2}{60}$

$\frac{n_2}{n_1}=\frac{d_1}{d_2}(1-s),\quad n_2=\frac{d_1(1-s)}{d_2}n_1$

$v=\frac{p z_1 n_1}{60}=\frac{p z_2 n_2}{60},\quad i=\frac{n_1}{n_2}=\frac{z_2}{z_1}$

$i_{\Sigma}=\prod_{k=1}^{m} i_k,\quad n_{\mathrm{out}}=\frac{n_{\mathrm{in}}}{i_{\Sigma}}$

$\eta_{\Sigma}=\prod_{k=1}^{m} \eta_k,\quad P_{\mathrm{out}}=\eta_{\Sigma}P_{\mathrm{in}}$